Security update for the Linux Kernel (Live Patch 39 for SLE 15 SP1)
Announcement ID: | SUSE-SU-2023:3768-1 |
---|---|
Rating: | important |
References: | |
Cross-References: | |
CVSS scores: |
|
Affected Products: |
|
An update that solves four vulnerabilities can now be installed.
Description:
This update for the Linux Kernel 4.12.14-150100_197_142 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-2023-1829: Fixed a use-after-free vulnerability in the control index filter (tcindex) (bsc#1210619).
- CVE-2023-3609: Fixed reference counter leak leading to overflow in net/sched (bsc#1213587).
- CVE-2023-3812: Fixed an out-of-bounds memory access flaw in the TUN/TAP device driver functionality that could allow a local user to crash or potentially escalate their privileges on the system (bsc#1213706).
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-SP1
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP1-2023-3768=1 SUSE-SLE-Module-Live-Patching-15-SP1-2023-3776=1 SUSE-SLE-Module-Live-Patching-15-SP1-2023-3777=1
Package List:
-
SUSE Linux Enterprise Live Patching 15-SP1 (ppc64le x86_64)
- kernel-livepatch-4_12_14-150100_197_126-default-11-150100.2.2
- kernel-livepatch-4_12_14-150100_197_137-default-6-150100.2.1
- kernel-livepatch-4_12_14-150100_197_142-default-6-150100.2.1
References:
- https://www.suse.com/security/cve/CVE-2023-1829.html
- 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-2023-3812.html
- https://bugzilla.suse.com/show_bug.cgi?id=1210619
- https://bugzilla.suse.com/show_bug.cgi?id=1213587
- https://bugzilla.suse.com/show_bug.cgi?id=1213706
- https://bugzilla.suse.com/show_bug.cgi?id=1215119