SUSE-SU-2021:2487-1: important: Security update for the Linux Kernel (Live Patch 16 for SLE 15 SP2)
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Tue Jul 27 19:21:13 UTC 2021
SUSE Security Update: Security update for the Linux Kernel (Live Patch 16 for SLE 15 SP2)
______________________________________________________________________________
Announcement ID: SUSE-SU-2021:2487-1
Rating: important
References: #1188117 #1188257
Cross-References: CVE-2021-22555 CVE-2021-33909
CVSS scores:
CVE-2021-22555 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-22555 (SUSE): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-33909 (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
SUSE Linux Enterprise Module for Live Patching 15-SP2
______________________________________________________________________________
An update that fixes two vulnerabilities is now available.
Description:
This update for the Linux Kernel 5.3.18-24_70 fixes several issues.
The following security issues were fixed:
- CVE-2021-33909: Fixed an out-of-bounds write in the filesystem layer
that allows to andobtain full root privileges. (bsc#1188062)
- CVE-2021-22555: Fixed an heap out-of-bounds write in
net/netfilter/x_tables.c that could allow local provilege escalation.
(bsc#1188116)
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-SP3-2021-2484=1 SUSE-SLE-Module-Live-Patching-15-SP3-2021-2485=1 SUSE-SLE-Module-Live-Patching-15-SP3-2021-2486=1
- SUSE Linux Enterprise Module for Live Patching 15-SP2:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP2-2021-2487=1
Package List:
- SUSE Linux Enterprise Module for Live Patching 15-SP3 (ppc64le s390x x86_64):
kernel-livepatch-5_3_18-57-default-4-3.1
kernel-livepatch-5_3_18-57-default-debuginfo-4-3.1
kernel-livepatch-5_3_18-59_13-default-2-2.1
kernel-livepatch-5_3_18-59_13-default-debuginfo-2-2.1
kernel-livepatch-5_3_18-59_5-default-2-2.1
kernel-livepatch-5_3_18-59_5-default-debuginfo-2-2.1
kernel-livepatch-SLE15-SP3_Update_0-debugsource-4-3.1
kernel-livepatch-SLE15-SP3_Update_1-debugsource-2-2.1
kernel-livepatch-SLE15-SP3_Update_3-debugsource-2-2.1
- SUSE Linux Enterprise Module for Live Patching 15-SP2 (ppc64le s390x x86_64):
kernel-livepatch-5_3_18-24_70-default-2-2.1
kernel-livepatch-5_3_18-24_70-default-debuginfo-2-2.1
kernel-livepatch-SLE15-SP2_Update_16-debugsource-2-2.1
References:
https://www.suse.com/security/cve/CVE-2021-22555.html
https://www.suse.com/security/cve/CVE-2021-33909.html
https://bugzilla.suse.com/1188117
https://bugzilla.suse.com/1188257
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