SUSE-SU-2023:1653-1: important: Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP5)
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Tue Mar 28 20:30:03 UTC 2023
# Security update for the Linux Kernel (Live Patch 31 for SLE 12 SP5)
Announcement ID: SUSE-SU-2023:1653-1
Rating: important
References:
* #1207190
* #1208909
Cross-References:
* CVE-2023-0266
* CVE-2023-26545
CVSS scores:
* CVE-2023-0266 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-0266 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-26545 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
* CVE-2023-26545 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Affected Products:
* SUSE Linux Enterprise High Performance Computing 12 SP5
* SUSE Linux Enterprise Live Patching 12-SP5
* SUSE Linux Enterprise Server 12 SP5
* SUSE Linux Enterprise Server for SAP Applications 12 SP5
An update that solves two vulnerabilities can now be installed.
## Description:
This update for the Linux Kernel 4.12.14-122_121 fixes several issues.
The following security issues were fixed:
* CVE-2023-26545: Fixed double free in net/mpls/af_mpls.c upon an allocation
failure (bsc#1208909).
* CVE-2023-0266: Fixed a use-after-free vulnerability inside the ALSA PCM
package. SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 was missing locks that could
have been used in a use-after-free that could have resulted in a priviledge
escalation to gain ring0 access from the system user (bsc#1207190).
## Patch Instructions:
To install this SUSE Important update use the SUSE recommended installation
methods like YaST online_update or "zypper patch".
Alternatively you can run the command listed for your product:
* SUSE Linux Enterprise Live Patching 12-SP5
zypper in -t patch SUSE-SLE-Live-Patching-12-SP5-2023-1653=1
## Package List:
* SUSE Linux Enterprise Live Patching 12-SP5 (ppc64le s390x x86_64)
* kgraft-patch-4_12_14-122_121-default-11-2.3
## References:
* https://www.suse.com/security/cve/CVE-2023-0266.html
* https://www.suse.com/security/cve/CVE-2023-26545.html
* https://bugzilla.suse.com/show_bug.cgi?id=1207190
* https://bugzilla.suse.com/show_bug.cgi?id=1208909
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