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SUSE: 2021:2559-1 Critical: Live Patch Issues in Linux Kernel
suse
July 29, 2021
An update that fixes two vulnerabilities is now available
Summary
This update for the Linux Kernel 5.3.18-59_10 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-SP3-2021-2559=1 Package List:
References
#1188117 #1188257
Cross- 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
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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Announcement ID: SUSE-SU-2021:2559-1
Rating: important
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