This update for libvirt fixes the following issues :

Security issues fixed :

CVE-2019-3840: Fixed a NULL pointer dereference vulnerability in virJSONValueObjectHasKey function which could have resulted in a remote denial of service via the guest agent (bsc#1127458).

Other issues fixed: libxl: save current memory value after successful balloon (bsc#1120813).

spec: Don't restart libvirt-guests when updating libvirt-client (bsc#1104662).

Note that Tenable Network Security has extracted the preceding description block directly from the SUSE 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 libvirt packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

  - libvirt: arbitrary file read/exec via     virDomainSaveImageGetXMLDesc API (CVE-2019-10161)

  - libvirt: arbitrary command execution via     virConnectGetDomainCapabilities API (CVE-2019-10167)

  - libvirt: NULL pointer dereference after running     qemuAgentCommand in qemuAgentGetInterfaces     function(CVE-2019-3840)

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.

This update for libvirt provides the following fixes :

Security issue fixed :

  - CVE-2019-3840: Fixed a NULL pointer dereference     vulnerability in virJSONValueObjectHasKey function which     could have resulted in a remote denial of service via     the guest agent (bsc#1127458). 

Other issues addressed :

  - apparmor: reintroduce upstream lxc mount rules     (bsc#1130129).

  - hook: encode incoming XML to UTF-8 before passing to     lxml etree from string method (bsc#1123642).

  - supportconfig: collect rotated logs in     /var/log/libvirt/* (bsc#1124667).

  - libxl: support Xen's max_grant_frames setting with     maxGrantFrames attribute on the xenbus controller     (bsc#1126325).

  - conf: added new 'xenbus' controller type

  - util: skip RDMA detection for non-PCI network devices     (bsc#1112182).

  - qemu: don't use CAP_DAC_OVERRIDE capability if non-root     (bsc#1125665).

  - qemu: fix issues related to restricted permissions on     /dev/sev(bsc#1102604).

  - apparmor: add support for named profiles (bsc#1118952).

  - libxl: save current memory value after successful     balloon (bsc#1120813).

  - apparmor: Fix ptrace rules. (bsc#1117058)

  - libxl: Add support for soft reset. (bsc#1081516)

  - libxl: Fix VM migration on busy hosts. (bsc#1108086)

  - qemu: Add support for SEV guests. (fate#325817)

  - util: Don't check for parallel iteration in hash-related     functions. (bsc#1106420)

  - spec: Don't restart libvirt-guests when updating     libvirt-client. (bsc#1104662)

  - Fix virNodeGetSEVInfo API crashing libvirtd on AMD SEV     enabled hosts. (bsc#1108395)

This update was imported from the SUSE:SLE-15:Update update project.

This update for libvirt fixes the following issues :

Security issues fixed :

  - CVE-2019-3840: Fixed a NULL pointer dereference     vulnerability in virJSONValueObjectHasKey function which     could have resulted in a remote denial of service via     the guest agent (bsc#1127458). 

  - CVE-2019-3886: Fixed an information leak which allowed     to retrieve the guest hostname under readonly mode     (bsc#1131595).

Other issue addressed :

  - cpu: add Skylake-Server and Skylake-Server-IBRS CPU     models (FATE#327261, bsc#1131955)

  - libxl: save current memory value after successful     balloon (bsc#1120813).

  - libxl: support Xen's max_grant_frames setting with     maxGrantFrames attribute on the xenbus controller     (bsc#1126325).

  - conf: add new 'xenbus' controller type

This update was imported from the SUSE:SLE-12-SP3:Update update project.

This update for libvirt provides the following fixes :

Security issue fixed :

CVE-2019-3840: Fixed a NULL pointer dereference vulnerability in virJSONValueObjectHasKey function which could have resulted in a remote denial of service via the guest agent (bsc#1127458).

Other issues addressed: apparmor: reintroduce upstream lxc mount rules (bsc#1130129).

hook: encode incoming XML to UTF-8 before passing to lxml etree from string method (bsc#1123642).

supportconfig: collect rotated logs in /var/log/libvirt/* (bsc#1124667).

libxl: support Xen's max_grant_frames setting with maxGrantFrames attribute on the xenbus controller (bsc#1126325).

conf: added new 'xenbus' controller type

util: skip RDMA detection for non-PCI network devices (bsc#1112182).

qemu: don't use CAP_DAC_OVERRIDE capability if non-root (bsc#1125665).

qemu: fix issues related to restricted permissions on /dev/sev(bsc#1102604).

apparmor: add support for named profiles (bsc#1118952).

libxl: save current memory value after successful balloon (bsc#1120813).

apparmor: Fix ptrace rules. (bsc#1117058)

libxl: Add support for soft reset. (bsc#1081516)

libxl: Fix VM migration on busy hosts. (bsc#1108086)

qemu: Add support for SEV guests. (fate#325817)

util: Don't check for parallel iteration in hash-related functions.
(bsc#1106420)

spec: Don't restart libvirt-guests when updating libvirt-client.
(bsc#1104662)

Fix virNodeGetSEVInfo API crashing libvirtd on AMD SEV enabled hosts.
(bsc#1108395)

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

Security Fix(es) :

  - libvirt: NULL pointer dereference after running     qemuAgentCommand in qemuAgentGetInterfaces function     (CVE-2019-3840)

The remote Oracle Linux 7 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2019-2294 advisory.

    - api: disallow virDomainSaveImageGetXMLDesc on read-only connections (CVE-2019-10161)
    - api: disallow virDomainManagedSaveDefineXML on read-only connections (CVE-2019-10166)
    - api: disallow virConnectGetDomainCapabilities on read-only connections (CVE-2019-10167)
    - api: disallow virConnect*HypervisorCPU on read-only connections (CVE-2019-10168)
    - admin: reject clients unless their UID matches the current UID (CVE-2019-10132)
    - locking: restrict sockets to mode 0600 (CVE-2019-10132)
    - logging: restrict sockets to mode 0600 (CVE-2019-10132)
    - cputest: Add data for Intel(R) Xeon(R) CPU E3-1225 v5 (CVE-2018-12126, CVE-2018-12127, CVE-2019-11091,     CVE-2018-12130)
    - cpu_map: Define md-clear CPUID bit (CVE-2018-12126, CVE-2018-12127, CVE-2019-11091, CVE-2018-12130)
    - qemu: Remove duplicated qemuAgentCheckError (rhbz#1663051, CVE-2019-3840)
    - qemu: require reply from guest agent in qemuAgentGetInterfaces (rhbz#1663051, CVE-2019-3840)

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.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
123780	SUSE SLES12 Security Update : libvirt (SUSE-SU-2019:0553-1)	Nessus	SuSE Local Security Checks	2019/4/5	2025/3/12	medium
126852	EulerOS 2.0 SP2 : libvirt (EulerOS-SA-2019-1724)	Nessus	Huawei Local Security Checks	2019/7/22	2024/5/9	high
124359	openSUSE Security Update : libvirt (openSUSE-2019-1288)	Nessus	SuSE Local Security Checks	2019/4/29	2025/3/11	medium
124402	openSUSE Security Update : libvirt (openSUSE-2019-1294)	Nessus	SuSE Local Security Checks	2019/4/30	2024/5/30	medium
124055	SUSE SLED15 / SLES15 Security Update : libvirt (SUSE-SU-2019:0936-1)	Nessus	SuSE Local Security Checks	2019/4/15	2025/3/11	medium
128237	Scientific Linux Security Update : libvirt on SL7.x x86_64 (20190806)	Nessus	Scientific Linux Local Security Checks	2019/8/27	2025/2/24	medium
180849	Oracle Linux 7 : libvirt (ELSA-2019-2294)	Nessus	Oracle Linux Local Security Checks	2023/9/7	2025/2/19	medium

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