The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:69285 advisory.

    libkcapi allows user-space to access the Linux kernel crypto API.  This library uses the netlink interface     and exports easy to use APIs so that a developer does not need to consider the low-level netlink interface     handling.  The library does not implement any cipher algorithms.  All consumer requests are sent to the     kernel for processing.  Results from the kernel crypto API are returned to the consumer via the library     API.  The kernel interface and therefore this library can be used by unprivileged processes.

    Security Fix(es):

    * libkcapi: IV reuse in libkcapi one-shot symmetric cipher chunking causes cipher state reset across chunk     boundaries (CVE-2026-71225)

    * libkcapi: Memory corruption via uncanceled AIO requests on error in libkcapi's one-shot AIO path     (CVE-2026-71226)

    * libkcapi: Infinite loop denial of service in libkcapi _kcapi_aio_read_all() due to unhandled     io_getevents() timeout return (CVE-2026-71227)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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 Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-124528 advisory.

    Memory Corruption via Uncanceled AIO Requests on Error: libkcapi's one-shot AIO path can return an error     before all submitted IOCBs are drained, allowing later kernel writes into caller-owned output buffers.

Tenable has extracted the preceding description block directly from the Unity 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.

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-2026_67266 advisory.

    * libkcapi: IV reuse in libkcapi one-shot symmetric cipher chunking causes cipher state reset across chunk     boundaries (CVE-2026-71225)

    * libkcapi: Memory corruption via uncanceled AIO requests on error in libkcapi's one-shot AIO path     (CVE-2026-71226)

    * libkcapi: Infinite loop denial of service in libkcapi _kcapi_aio_read_all() due to unhandled     io_getevents() timeout return (CVE-2026-71227)

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

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

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

    A flaw was found in libkcapi. When performing one-shot symmetric cipher operations on large inputs (over     64 KiB) in stateful modes such as Counter (CTR) or Cipher Block Chaining (CBC), the library improperly     reuses the Initialization Vector (IV) for each internal data chunk. A remote attacker could potentially     exploit this by making an application that uses libkcapi process specially crafted large inputs. This can     lead to a significant weakening of data confidentiality, as the repeated IV use can expose relationships     in encrypted plaintext, and may also affect data integrity by causing incorrect cryptographic     processing.(CVE-2026-71225)

    A flaw was found in libkcapi. A local attacker can influence an application that uses the Asynchronous     Input/Output (AIO) interface. By reusing an AIO-enabled handle after a prior completion error, the
    _kcapi_aio_read_all() function can enter a non-terminating wait loop. This can lead to a persistent denial     of service, making the affected application or thread unresponsive.(CVE-2026-71227)

    Memory Corruption via Uncanceled AIO Requests on Error: libkcapi's one-shot AIO path can return an error     before all submitted IOCBs are drained, allowing later kernel writes into caller-owned output     buffers.(CVE-2026-71226)

Tenable has extracted the preceding description block directly from the EulerOS libkcapi 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 Fedora 45 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-1a1eac3dfb advisory.

    Automatic update for libkcapi-1.5.1-2.fc45.

    ##### **Changelog**

    ```
    * Thu Aug 20 2026 Ondrej Mosnek <omosnacek@gmail.com> - 1.5.1-2
    - Apply pending upstream patch to fix the auxiliary test
    * Tue Aug 18 2026 Ondrej Mosnek <omosnacek@gmail.com> - 1.5.1-1
    - Update to version 1.5.1 (fedora#2512793)
    - Fix CVE-2026-71225 (fedora#2511445)
    - Fix CVE-2026-71226 (fedora#2511484)
    - Fix CVE-2026-71227 (fedora#2511487)

    ```

    ----

    Automatic update for libkcapi-1.5.1-1.fc45.


Tenable has extracted the preceding description block directly from the Fedora 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 Fedora 46 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-e3ee465ab3 advisory.

    Automatic update for libkcapi-1.5.1-2.fc46.

    ##### **Changelog**

    ```
    * Thu Aug 20 2026 Ondrej Mosnek <omosnacek@gmail.com> - 1.5.1-2
    - Apply pending upstream patch to fix the auxiliary test
    * Tue Aug 18 2026 Ondrej Mosnek <omosnacek@gmail.com> - 1.5.1-1
    - Update to version 1.5.1 (fedora#2512793)
    - Fix CVE-2026-71225 (fedora#2511445)
    - Fix CVE-2026-71226 (fedora#2511484)
    - Fix CVE-2026-71227 (fedora#2511487)

    ```

    ----

    Automatic update for libkcapi-1.5.1-1.fc46.


Tenable has extracted the preceding description block directly from the Fedora 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 AlmaLinux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:67267 advisory.

    * libkcapi: IV reuse in libkcapi one-shot symmetric cipher chunking causes cipher state reset across chunk     boundaries (CVE-2026-71225)
      * libkcapi: Memory corruption via uncanceled AIO requests on error in libkcapi's one-shot AIO path     (CVE-2026-71226)
      * libkcapi: Infinite loop denial of service in libkcapi _kcapi_aio_read_all() due to unhandled     io_getevents() timeout return (CVE-2026-71227)


    Bug Fix(es) and Enhancement(s):

      * libkcapi: rebase to 1.5.1 [almalinux-10.2.z] (JIRA:AlmaLinux-242508)
      * libkcapi: AEAD Decrypt Auth Check Skipped for Zero-Length Input in `kcapi-enc` [almalinux-10.2.z]     (JIRA:AlmaLinux-242665)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.6:CLSA-2026:1786699908 advisory.

  - A flaw was found in libkcapi. When performing one-shot symmetric cipher operations on large inputs (over     64 KiB) in stateful modes such as Counter (CTR) or Cipher Block Chaining (CBC), the library improperly     reuses the Initialization Vector (IV) for each internal data chunk. A remote attacker could potentially     exploit this by making an application that uses libkcapi process specially crafted large inputs. This can     lead to a significant weakening of data confidentiality, as the repeated IV use can expose relationships     in encrypted plaintext, and may also affect data integrity by causing incorrect cryptographic processing.
    (CVE-2026-71225)

  - Memory Corruption via Uncanceled AIO Requests on Error: libkcapi's one-shot AIO path can return an error     before all submitted IOCBs are drained, allowing later kernel writes into caller-owned output buffers.
    (CVE-2026-71226)

  - A flaw was found in libkcapi. A local attacker can influence an application that uses the Asynchronous     Input/Output (AIO) interface. By reusing an AIO-enabled handle after a prior completion error, the
    _kcapi_aio_read_all() function can enter a non-terminating wait loop. This can lead to a persistent denial     of service, making the affected application or thread unresponsive. (CVE-2026-71227)

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

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:87712 advisory.

    libkcapi allows user-space to access the Linux kernel crypto API.  This library uses the netlink interface     and exports easy to use APIs so that a developer does not need to consider the low-level netlink interface     handling.  The library does not implement any cipher algorithms.  All consumer requests are sent to the     kernel for processing.  Results from the kernel crypto API are returned to the consumer via the library     API.  The kernel interface and therefore this library can be used by unprivileged processes.

    Security Fix(es):

    * libkcapi: IV reuse in libkcapi one-shot symmetric cipher chunking causes cipher state reset across chunk     boundaries (CVE-2026-71225)

    * libkcapi: Memory corruption via uncanceled AIO requests on error in libkcapi's one-shot AIO path     (CVE-2026-71226)

    * libkcapi: Infinite loop denial of service in libkcapi _kcapi_aio_read_all() due to unhandled     io_getevents() timeout return (CVE-2026-71227)

    For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and     other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise 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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
348595	RHEL 10 : libkcapi (RHSA-2026:69285)	Nessus	Red Hat Local Security Checks	2026/9/21	2026/9/21	high
349864	Unity Linux 20.1050a / 20.1060a / 20.1070a Security Update: libkcapi (UTSA-2026-124528)	Nessus	Unity Linux Local Security Checks	2026/9/24	2026/9/24	high
355156	Rocky Linux 8 [CIQ] Security Update: libkcapi / libkcapi-debuginfo / libkcapi-debugsource / etc Multiple Vulnerabilities (crlsa-2026_67266)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/1	high
365012	EulerOS 2.0 SP11 : libkcapi (EulerOS-SA-2026-4338)	Nessus	Huawei Local Security Checks	2026/10/12	2026/10/12	high
338381	Fedora 45 : libkcapi (2026-1a1eac3dfb)	Nessus	Fedora Local Security Checks	2026/8/20	2026/8/20	high
338610	Fedora 46 : libkcapi (2026-e3ee465ab3)	Nessus	Fedora Local Security Checks	2026/8/21	2026/10/23	high
345622	AlmaLinux 10 : libkcapi (ALSA-2026:67267)	Nessus	Alma Linux Local Security Checks	2026/9/14	2026/9/14	high
359771	Rocky Linux 9.6 [TuxCare] Security Update: libkcapi / libkcapi-devel / libkcapi-doc / libkcapi-fipscheck / etc Multiple Vulnerabilities (ALMALINUX9.6:CLSA-2026:1786699908)	Nessus	Rocky Linux Local Security Checks	2026/10/1	2026/10/1	high
370910	RHEL 9 : libkcapi (RHSA-2026:87712)	Nessus	Red Hat Local Security Checks	2026/10/22	2026/10/22	high

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