SUSE-SU-2021:3718-1: important: Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP3)
sle-security-updates at lists.suse.com
sle-security-updates at lists.suse.com
Wed Nov 17 14:18:36 UTC 2021
SUSE Security Update: Security update for the Linux Kernel (Live Patch 3 for SLE 15 SP3)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:3718-1
Rating: important
References: #1191318 #1191646
Cross-References: CVE-2021-34866 CVE-2021-41864
CVSS scores:
CVE-2021-34866 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-41864 (SUSE): 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 Module for Live Patching 15-SP3
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for the Linux Kernel 5.3.18-59_13 fixes several issues.
The following security issues were fixed:
- CVE-2021-34866: Fixed possible eBPF Type Confusion privilege escalation
vulnerability via eBPF type confusion (bsc#1191646).
- CVE-2021-41864: Fixed an integer overflow with a resultant out-of-bounds
write in prealloc_elems_and_freelist in kernel/bpf/stackmap.c
(bsc#1191318).
Patch Instructions:
To install this SUSE Security 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 Module for Live Patching 15-SP3:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2021-3718=1 SUSE-SLE-Module-Live-Patching-15-SP3-2021-3719=1
Package List:
- SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64):
kernel-livepatch-5_3_18-59_13-default-6-2.2
kernel-livepatch-5_3_18-59_13-default-debuginfo-6-2.2
kernel-livepatch-5_3_18-59_24-default-2-2.2
kernel-livepatch-5_3_18-59_24-default-debuginfo-2-2.2
kernel-livepatch-SLE15-SP3_Update_3-debugsource-6-2.2
kernel-livepatch-SLE15-SP3_Update_6-debugsource-2-2.2
References:
https://www.suse.com/security/cve/CVE-2021-34866.html
https://www.suse.com/security/cve/CVE-2021-41864.html
https://bugzilla.suse.com/1191318
https://bugzilla.suse.com/1191646
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