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SUSE: 2021:1145-1 Important: Linux Kernel Live Patch Issues Fixed

suse
Calendar Grey April 12, 2021
Scroller Suse
A recent patch for the Linux Kernel resolves various vulnerabilities in SUSE SLE 12 SP2, aiming to bolster both security measures and system reliability.
An update that fixes three vulnerabilities is now available

Summary

This update for the Linux Kernel 4.4.121-92_138 fixes several issues. The following security issues were fixed: - CVE-2021-27365: Fixed an issue where data structures did not have appropriate length constraints or checks, and could exceed the PAGE_SIZE value (bsc#1183491). - CVE-2021-27363: Fixed a kernel pointer leak which could have been used to determine the address of the iscsi_transport structure (bsc#1183120). - CVE-2021-27364: Fixed an issue where an unprivileged user could craft Netlink messages (bsc#1182717). 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 Server 12-SP2-LTSS-SAP:

Topics%20covered

Topics Covered

security advisory kernel patch server important fix SUSE

References

#1182717 #1183120 #1183491

Cross- CVE-2021-27363 CVE-2021-27364 CVE-2021-27365

CVSS scores:

CVE-2021-27363 (NVD) : 4.4 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:L

CVE-2021-27363 (SUSE): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVE-2021-27364 (NVD) : 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVE-2021-27364 (SUSE): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVE-2021-27365 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-27365 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

SUSE Linux Enterprise Server 12-SP2-LTSS-SAP

SUSE Linux Enterprise Server 12-SP2-LTSS-ERICSSON

https://www.suse.com/security/cve/CVE-2021-27363.html

https://www.suse.com/security/cve/CVE-2021-27364.html

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Announcement ID: SUSE-SU-2021:1145-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel patch server important fix SUSE

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