Security update for the Linux Kernel (Live Patch 2 for SLE 15 SP5)
Announcement ID: | SUSE-SU-2023:3924-1 |
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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 three vulnerabilities can now be installed.
Description:
This update for the Linux Kernel 5.14.21-150500_55_12 fixes several issues.
The following security issues were fixed:
- CVE-2023-3776: Fixed improper refcount update in cls_fw leads to use-after-free (bsc#1215119).
- CVE-2023-4273: Fixed a flaw in the exFAT driver of the Linux kernel that alloawed a local privileged attacker to overflow the kernel stack (bsc#1214123).
- CVE-2023-3609: Fixed reference counter leak leading to overflow in net/sched (bsc#1213587).
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-SP4-2023-3924=1
-
openSUSE Leap 15.5
zypper in -t patch SUSE-2023-3930=1
-
SUSE Linux Enterprise Live Patching 15-SP5
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2023-3930=1
-
openSUSE Leap 15.4
zypper in -t patch SUSE-2023-3924=1
Package List:
-
SUSE Linux Enterprise Live Patching 15-SP4 (ppc64le s390x x86_64)
- kernel-livepatch-5_14_21-150400_24_74-default-debuginfo-3-150400.2.1
- kernel-livepatch-5_14_21-150400_24_74-default-3-150400.2.1
- kernel-livepatch-SLE15-SP4_Update_15-debugsource-3-150400.2.1
-
openSUSE Leap 15.5 (ppc64le s390x x86_64)
- kernel-livepatch-SLE15-SP5_Update_2-debugsource-3-150500.2.1
- kernel-livepatch-5_14_21-150500_55_12-default-debuginfo-3-150500.2.1
- kernel-livepatch-5_14_21-150500_55_12-default-3-150500.2.1
-
SUSE Linux Enterprise Live Patching 15-SP5 (ppc64le s390x x86_64)
- kernel-livepatch-SLE15-SP5_Update_2-debugsource-3-150500.2.1
- kernel-livepatch-5_14_21-150500_55_12-default-debuginfo-3-150500.2.1
- kernel-livepatch-5_14_21-150500_55_12-default-3-150500.2.1
-
openSUSE Leap 15.4 (ppc64le s390x x86_64)
- kernel-livepatch-5_14_21-150400_24_74-default-debuginfo-3-150400.2.1
- kernel-livepatch-5_14_21-150400_24_74-default-3-150400.2.1
- kernel-livepatch-SLE15-SP4_Update_15-debugsource-3-150400.2.1
References:
- https://www.suse.com/security/cve/CVE-2023-3609.html
- https://www.suse.com/security/cve/CVE-2023-3776.html
- https://www.suse.com/security/cve/CVE-2023-4273.html
- https://bugzilla.suse.com/show_bug.cgi?id=1213587
- https://bugzilla.suse.com/show_bug.cgi?id=1214123
- https://bugzilla.suse.com/show_bug.cgi?id=1215119