Security update for the Linux Kernel RT (Live Patch 3 for SLE 15 SP4)
Announcement ID: | SUSE-SU-2023:4201-1 |
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Rating: | important |
References: | |
Cross-References: | |
CVSS scores: |
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Affected Products: |
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An update that solves four vulnerabilities can now be installed.
Description:
This update for the Linux Kernel 5.14.21-150400_15_11 fixes several issues.
The following security issues were fixed:
- CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1215118).
- CVE-2023-4623: Fixed a use-after-free issue in the HFSC network scheduler which could be exploited to achieve local privilege escalation (bsc#1215440).
- CVE-2023-4004: Fixed improper element removal netfilter nft_set_pipapo (bsc#1214812).
- CVE-2023-3390: Fixed an use-after-free vulnerability in the netfilter subsystem in net/netfilter/nf_tables_api.c that could allow a local attacker with user access to cause a privilege escalation issue (bsc#1212934).
Patch Instructions:
To install this SUSE 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-SP4-2023-4201=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-4202=1 SUSE-SLE-Module-Live-Patching-15-SP4-2023-4203=1
Package List:
-
SUSE Linux Enterprise Live Patching 15-SP4 (x86_64)
- kernel-livepatch-5_14_21-150400_15_5-rt-11-150400.2.3
- kernel-livepatch-SLE15-SP4-RT_Update_3-debugsource-9-150400.2.3
- kernel-livepatch-5_14_21-150400_15_8-rt-debuginfo-10-150400.2.3
- kernel-livepatch-5_14_21-150400_15_11-rt-9-150400.2.3
- kernel-livepatch-SLE15-SP4-RT_Update_2-debugsource-10-150400.2.3
- kernel-livepatch-5_14_21-150400_15_11-rt-debuginfo-9-150400.2.3
- kernel-livepatch-5_14_21-150400_15_8-rt-10-150400.2.3
- kernel-livepatch-5_14_21-150400_15_5-rt-debuginfo-11-150400.2.3
- kernel-livepatch-SLE15-SP4-RT_Update_1-debugsource-11-150400.2.3
References:
- https://www.suse.com/security/cve/CVE-2023-3390.html
- https://www.suse.com/security/cve/CVE-2023-4004.html
- https://www.suse.com/security/cve/CVE-2023-4147.html
- https://www.suse.com/security/cve/CVE-2023-4623.html
- https://bugzilla.suse.com/show_bug.cgi?id=1212934
- https://bugzilla.suse.com/show_bug.cgi?id=1214812
- https://bugzilla.suse.com/show_bug.cgi?id=1215118
- https://bugzilla.suse.com/show_bug.cgi?id=1215440