The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - **DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows     an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your     application without this being detected. This stack-protector failure only applies to C99-style     dynamically-sized local variables or those created using alloca(). The stack-protector operates as     intended for statically-sized local variables. The default behavior when the stack-protector detects an     overflow is to terminate your application, resulting in controlled loss of availability. An attacker who     can exploit a buffer overflow without triggering the stack-protector might be able to change program flow     control to cause an uncontrolled loss of availability or to go further and affect confidentiality or     integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by     itself. (CVE-2023-4039)

Note that Nessus relies on the presence of the package as reported by the vendor.

The version of gcc installed on the remote host is prior to 7.3.1-17. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2023-2245 advisory.

    2023-09-13: The severity of this advisory was corrected from low to medium.

    An issue was found in a defense in depth feature of the GCC compiler on aarch64 platforms. The stack     protector feature (-fstack-protector) did not detect or defend against overflows of dynamically-sized     local variables. This update to the GCC compiler remedies code generation for this defense in depth     feature, ensuring it is working as intended.Customers building their own binaries with GCC are advised to     update their compiler, and to ensure they are enabling the defense in depth options available to them,     such as the stack protector. (CVE-2023-4039)

Tenable has extracted the preceding description block directly from the tested product security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Oracle Linux 8 / 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2023-12788 advisory.

    - CVE-2023-4039 GCC mitigation.
      Orabug 35751743.
      Includes removal of aarch64-preserve-args.patch.
    - CVE-2022-40982 'Intel Downfall' mitigation.
      Orabug 35751810.
      Add two patches originally from GCC upstream releases/gcc-11 branch.
      with major adjustment.
      gcc11-downfall-disable-gather-in-vec.patch       gcc11-downfall-support-mno-gather.patch       Reviewed-by: Jose E. Marchesi <jose.marchesi@oracle.com>

    gcc [el9]
    - CVE-2023-4039 GCC mitigation.
      Orabug 35751837.
    - CVE-2022-40982 'Intel Downfall' mitigation.
      Orabug 35751842.
      Add two patches originally from GCC upstream releases/gcc-11 branch.
      gcc11-downfall-disable-gather-in-vec.patch       gcc11-downfall-support-mno-gather.patch     Reviewed-by: Jose E. Marchesi <jose.marchesi@oracle.com>

    gcc-toolset-11-gcc [el8]
    - CVE-2023-4039 GCC mitigation.
      Orabug 35751885.
    - CVE-2022-40982 'Intel Downfall' mitigation.
      Orabug 35751901.
      Add two patches originally from GCC upstream releases/gcc-11 branch.
      gcc11-downfall-disable-gather-in-vec.patch       gcc11-downfall-support-mno-gather.patch       Reviewed-by: Jose E. Marchesi <jose.marchesi@oracle.com>

    gcc-toolset-12-gcc [el8/el9]
    - CVE-2023-4039 GCC mitigation.
      Orabug 35751931.
    - CVE-2022-40982 'Intel Downfall' mitigation.
      Orabug 35751938.
      Add two patches originally from GCC upstream releases/gcc-11 branch.
      gcc12-downfall-disable-gather-in-vec.patch       gcc12-downfall-support-mno-gather.patch

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLES12 / SLES_SAP12 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:3640-1 advisory.

    - CVE-2023-4039: Fixed incorrect stack protector for C99 VLAs on Aarch64 (bsc#1214052).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:4162-1 advisory.

    This update ship the GCC 13.2 compiler suite and its base libraries.

    The compiler base libraries are provided for all SUSE Linux Enterprise 15     versions and replace the same named GCC 12 ones.

    The new compilers for C, C++, and Fortran are provided for SUSE Linux     Enterprise 15 SP4 and SP5, and provided in the 'Development Tools' module.

    The Go, D, Ada and Modula 2 language compiler parts are available     unsupported via the PackageHub repositories.

    To use gcc13 compilers use:

    - install 'gcc13' or 'gcc13-c++' or one of the other 'gcc13-COMPILER' frontend packages.
    - override your Makefile to use CC=gcc13, CXX=g++13 and similar overrides for the other languages.

    For a full changelog with all new GCC13 features, check out

            https://gcc.gnu.org/gcc-13/changes.html


    Detailed changes:


    * CVE-2023-4039: Fixed -fstack-protector issues on aarch64 with variable       length stack allocations.  (bsc#1214052)

    - Turn cross compiler to s390x to a glibc cross. [bsc#1214460]

    - Also handle -static-pie in the default-PIE specs
    - Fixed missed optimization in Skia resulting in Firefox crashes when       building with LTO.  [bsc#1212101]
    - Make libstdc++6-devel packages own their directories since they       can be installed standalone.  [bsc#1211427]
    - Add new x86-related intrinsics (amxcomplexintrin.h).
    - RISC-V: Add support for inlining subword atomic operations
    - Use --enable-link-serialization rather that --enable-link-mutex,       the benefit of the former one is that the linker jobs are not       holding tokens of the make's jobserver.
    - Add cross-bpf packages.  See https://gcc.gnu.org/wiki/BPFBackEnd       for the general state of BPF with GCC.
    - Add bootstrap conditional to allow --without=bootstrap to be       specified to speed up local builds for testing.
    - Bump included newlib to version 4.3.0.
    - Also package libhwasan_preinit.o on aarch64.
    - Configure external timezone database provided by the timezone       package.  Make libstdc++6 recommend timezone to get a fully       working std::chrono.  Install timezone when running the testsuite.
    - Package libhwasan_preinit.o on x86_64.
    - Fixed unwinding on aarch64 with pointer signing.  [bsc#1206684]
    - Enable PRU flavour for gcc13
    - update floatn fixinclude pickup to check each header separately (bsc#1206480)
    - Redo floatn fixinclude pick-up to simply keep what is there.
    - Bump libgo SONAME to libgo22.
    - Do not package libhwasan for biarch (32-bit architecture)       as the extension depends on 64-bit pointers.
    - Adjust floatn fixincludes guard to work with SLE12 and earlier       SLE15.
    - Depend on at least LLVM 13 for GCN cross compiler.
    - Update embedded newlib to version 4.2.0
    - Allow cross-pru-gcc12-bootstrap for armv7l architecture.
      PRU architecture is used for real-time MCUs embedded into TI       armv7l and aarch64 SoCs. We need to have cross-pru-gcc12 for       armv7l in order to build both host applications and PRU firmware       during the same build.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the gcc packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker     to exploit an existing buffer overflow in dynamically-sized local variables in your application without     this being detected. This stack-protector failure only applies to C99-style dynamically-sized local     variables or those created using alloca(). The stack-protector operates as intended for statically-sized     local variables. The default behavior when the stack-protector detects an overflow is to terminate your     application, resulting in controlled loss of availability. An attacker who can exploit a buffer overflow     without triggering the stack-protector might be able to change program flow control to cause an     uncontrolled loss of availability or to go further and affect confidentiality or integrity.
    (CVE-2023-4039)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the gcc packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows an attacker     to exploit an existing buffer overflow in dynamically-sized local variables in your application without     this being detected. This stack-protector failure only applies to C99-style dynamically-sized local     variables or those created using alloca(). The stack-protector operates as intended for statically-sized     local variables. The default behavior when the stack-protector detects an overflow is to terminate your     application, resulting in controlled loss of availability. An attacker who can exploit a buffer overflow     without triggering the stack-protector might be able to change program flow control to cause an     uncontrolled loss of availability or to go further and affect confidentiality or integrity.
    (CVE-2023-4039)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote Oracle Linux 8 / 9 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2023-28765 advisory.

    - CVE-2023-4039 mitigation.
      Orabug 35752028.

Tenable has extracted the preceding description block directly from the Oracle Linux security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

According to the versions of the gcc packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - **DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows     an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your     application without this being detected. This stack-protector failure only applies to C99-style     dynamically-sized local variables or those created using alloca(). The stack-protector operates as     intended for statically-sized local variables. The default behavior when the stack-protector detects an     overflow is to terminate your application, resulting in controlled loss of availability. An attacker who     can exploit a buffer overflow without triggering the stack-protector might be able to change program flow     control to cause an uncontrolled loss of availability or to go further and affect confidentiality or     integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by     itself. (CVE-2023-4039)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

According to the versions of the gcc packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities :

  - **DISPUTED**A failure in the -fstack-protector feature in GCC-based toolchains that target AArch64 allows     an attacker to exploit an existing buffer overflow in dynamically-sized local variables in your     application without this being detected. This stack-protector failure only applies to C99-style     dynamically-sized local variables or those created using alloca(). The stack-protector operates as     intended for statically-sized local variables. The default behavior when the stack-protector detects an     overflow is to terminate your application, resulting in controlled loss of availability. An attacker who     can exploit a buffer overflow without triggering the stack-protector might be able to change program flow     control to cause an uncontrolled loss of availability or to go further and affect confidentiality or     integrity. NOTE: The GCC project argues that this is a missed hardening bug and not a vulnerability by     itself. (CVE-2023-4039)

Note that Tenable Network Security has extracted the preceding description block directly from the EulerOS security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The remote SUSE Linux SLED15 / SLED_SAP15 / SLES15 / SLES_SAP15 / openSUSE 15 host has packages installed that are affected by a vulnerability as referenced in the SUSE-SU-2023:4458-1 advisory.

    This update ship the GCC 13.2 compiler suite and its base libraries.

    The compiler base libraries are provided for all SUSE Linux Enterprise 15     versions and replace the same named GCC 12 ones.

    The new compilers for C, C++, and Fortran are provided for SUSE Linux     Enterprise 15 SP4 and SP5, and provided in the 'Development Tools' module.

    The Go, D, Ada and Modula 2 language compiler parts are available     unsupported via the PackageHub repositories.

    To use gcc13 compilers use:

    - install 'gcc13' or 'gcc13-c++' or one of the other 'gcc13-COMPILER' frontend packages.
    - override your Makefile to use CC=gcc-13, CXX=g++-13 and similar overrides for the other languages.

    For a full changelog with all new GCC13 features, check out

            https://gcc.gnu.org/gcc-13/changes.html


    Detailed changes:


    * CVE-2023-4039: Fixed -fstack-protector issues on aarch64 with variable       length stack allocations.  (bsc#1214052)

    - Work around third party app crash during C++ standard library initialization.  [bsc#1216664]
    - Fixed that GCC13 fails to compile some packages with error: unrecognizable insn (bsc#1215427)
    - Bump included newlib to version 4.3.0.
    - Update to GCC trunk head (r13-5254-g05b9868b182bb9)
    - Redo floatn fixinclude pick-up to simply keep what is there.
    - Turn cross compiler to s390x to a glibc cross. [bsc#1214460]

    - Also handle -static-pie in the default-PIE specs
    - Fixed missed optimization in Skia resulting in Firefox crashes when       building with LTO.  [bsc#1212101]
    - Make libstdc++6-devel packages own their directories since they       can be installed standalone.  [bsc#1211427]
    - Add new x86-related intrinsics (amxcomplexintrin.h).
    - RISC-V: Add support for inlining subword atomic operations
    - Use --enable-link-serialization rather that --enable-link-mutex,       the benefit of the former one is that the linker jobs are not       holding tokens of the make's jobserver.
    - Add cross-bpf packages.  See https://gcc.gnu.org/wiki/BPFBackEnd       for the general state of BPF with GCC.
    - Add bootstrap conditional to allow --without=bootstrap to be       specified to speed up local builds for testing.
    - Bump included newlib to version 4.3.0.
    - Also package libhwasan_preinit.o on aarch64.
    - Configure external timezone database provided by the timezone       package.  Make libstdc++6 recommend timezone to get a fully       working std::chrono.  Install timezone when running the testsuite.
    - Package libhwasan_preinit.o on x86_64.
    - Fixed unwinding on aarch64 with pointer signing.  [bsc#1206684]
    - Enable PRU flavour for gcc13
    - update floatn fixinclude pickup to check each header separately (bsc#1206480)
    - Redo floatn fixinclude pick-up to simply keep what is there.
    - Bump libgo SONAME to libgo22.
    - Do not package libhwasan for biarch (32-bit architecture)       as the extension depends on 64-bit pointers.
    - Adjust floatn fixincludes guard to work with SLE12 and earlier       SLE15.
    - Depend on at least LLVM 13 for GCN cross compiler.
    - Update embedded newlib to version 4.2.0
    - Allow cross-pru-gcc12-bootstrap for armv7l architecture.
      PRU architecture is used for real-time MCUs embedded into TI       armv7l and aarch64 SoCs. We need to have cross-pru-gcc12 for       armv7l in order to build both host applications and PRU firmware       during the same build.

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-7700-1 advisory.

    It was discovered that the -fstack-protector hardening feature in GCC for AArch64 did not properly protect     dynamically-sized local variables such as those created using C99 variable length arrays or alloca. As a     result, an attacker who was able to trigger a buffer overflow in such cases could bypass the intended     stack protection checks. (CVE-2023-4039)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
227324	Linux Distros Unpatched Vulnerability : CVE-2023-4039	Nessus	Misc.	2025/3/5	2026/6/16	medium
181359	Amazon Linux 2 : gcc (ALAS-2023-2245)	Nessus	Amazon Linux Local Security Checks	2023/9/13	2024/12/11	medium
181323	Oracle Linux 8 / 9 : gcc (ELSA-2023-12788)	Nessus	Oracle Linux Local Security Checks	2023/9/12	2025/9/9	medium
181577	SUSE SLES12: cpp12 / cross-nvptx-gcc12 / cross-nvptx-newlib12-devel / gcc12 / etc (SUSE-SU-2023:3640-1)	Nessus	SuSE Local Security Checks	2023/9/19	2026/6/26	medium
183766	SUSE SLED15: cpp13 / cross-nvptx-gcc13 / cross-nvptx-newlib13-devel / gcc13 / etc (SUSE-SU-2023:4162-1)	Nessus	SuSE Local Security Checks	2023/10/24	2026/6/26	medium
188436	EulerOS 2.0 SP9 : gcc (EulerOS-SA-2023-3328)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
188606	EulerOS Virtualization 2.9.0 : gcc (EulerOS-SA-2024-1007)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
188638	EulerOS 2.0 SP9 : gcc (EulerOS-SA-2023-3296)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
181324	Oracle Linux 8 / 9 : cross-gcc (ELSA-2023-28765)	Nessus	Oracle Linux Local Security Checks	2023/9/12	2025/9/9	medium
191807	EulerOS 2.0 SP8 : gcc (EulerOS-SA-2024-1265)	Nessus	Huawei Local Security Checks	2024/3/12	2024/3/12	medium
192339	EulerOS Virtualization 2.11.0 : gcc (EulerOS-SA-2024-1440)	Nessus	Huawei Local Security Checks	2024/3/21	2024/3/21	medium
188514	EulerOS 2.0 SP10 : gcc (EulerOS-SA-2023-3209)	Nessus	Huawei Local Security Checks	2024/1/16	2024/1/16	medium
189677	EulerOS 2.0 SP11 : gcc (EulerOS-SA-2024-1118)	Nessus	Huawei Local Security Checks	2024/1/26	2024/1/26	medium
185937	SUSE SLED15: cpp13 / cross-nvptx-gcc13 / cross-nvptx-newlib13-devel / gcc13 / etc (SUSE-SU-2023:4458-1)	Nessus	SuSE Local Security Checks	2023/11/17	2026/6/26	medium
253509	Ubuntu 20.04 LTS / 22.04 LTS : GCC vulnerability (USN-7700-1)	Nessus	Ubuntu Local Security Checks	2025/8/21	2025/8/21	medium

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