SUSE-SU-2023:1649-1: important: Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP4)
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Tue Mar 28 20:30:13 UTC 2023
# Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP4)
Announcement ID: SUSE-SU-2023:1649-1
Rating: important
References:
* #1207190
* #1208838
* #1208909
Cross-References:
* CVE-2023-0266
* CVE-2023-1078
* 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-2023-1078 ( SUSE ): 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 15 SP4
* SUSE Linux Enterprise Live Patching 15-SP4
* SUSE Linux Enterprise Micro 5.3
* SUSE Linux Enterprise Micro 5.4
* SUSE Linux Enterprise Real Time 15 SP4
* SUSE Linux Enterprise Server 15 SP4
* SUSE Linux Enterprise Server for SAP Applications 15 SP4
An update that solves three vulnerabilities can now be installed.
## Description:
This update for the Linux Kernel 5.14.21-150400_24_18 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#1208700).
* CVE-2023-1078: Fixed a heap out-of-bounds write in rds_rm_zerocopy_callback
(bsc#1208838).
* 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 15-SP4
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2023-1649=1 SUSE-SLE-
Module-Live-Patching-15-SP4-2023-1655=1 SUSE-SLE-Module-Live-
Patching-15-SP4-2023-1650=1
## Package List:
* SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
* kernel-livepatch-5_14_21-150400_24_21-default-8-150400.2.3
* kernel-livepatch-SLE15-SP4_Update_5-debugsource-5-150400.2.3
* kernel-livepatch-5_14_21-150400_24_18-default-debuginfo-9-150400.2.3
* kernel-livepatch-5_14_21-150400_24_18-default-9-150400.2.3
* kernel-livepatch-5_14_21-150400_24_33-default-5-150400.2.3
* kernel-livepatch-SLE15-SP4_Update_2-debugsource-9-150400.2.3
* kernel-livepatch-5_14_21-150400_24_33-default-debuginfo-5-150400.2.3
* kernel-livepatch-5_14_21-150400_24_21-default-debuginfo-8-150400.2.3
* kernel-livepatch-SLE15-SP4_Update_3-debugsource-8-150400.2.3
## References:
* https://www.suse.com/security/cve/CVE-2023-0266.html
* https://www.suse.com/security/cve/CVE-2023-1078.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=1208838
* https://bugzilla.suse.com/show_bug.cgi?id=1208909
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