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SUSE Linux 15-SP1: 2021:2344-1 Important: Kernel Privilege Escalation

suse
Calendar Grey July 14, 2021
Scroller Suse Esm H88
Addresses critical vulnerabilities in the Linux kernel related to unauthorized privilege access and data leaks in SUSE. Ensure your systems are updated promptly.
An update that fixes three vulnerabilities is now available

Summary

This update for the Linux Kernel 4.12.14-150_55 fixes several issues. The following security issues were fixed: - CVE-2021-0605: Fixed an out-of-bounds read which could lead to local information disclosure in the kernel with System execution privileges needed. (bsc#1187687) - CVE-2021-0512: Fixed a possible out-of-bounds write which could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1187597) - CVE-2021-23133: Fixed a race condition in the SCTP sockets that can lead to kernel privilege escalation from the context of a network service or an unprivileged process. (bsc#1185901) Patch Instructions: To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".

Topics%20covered

Topics Covered

security advisory kernel update privilege escalation information disclosure SUSE Linux

References

#1185901 #1187597 #1187687

Cross- CVE-2021-0512 CVE-2021-0605 CVE-2021-23133

CVSS scores:

CVE-2021-0512 (SUSE): 8.4 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2021-0605 (NVD) : 4.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

CVE-2021-0605 (SUSE): 7.4 CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

CVE-2021-23133 (NVD) : 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

CVE-2021-23133 (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 Module for Live Patching 15-SP1

SUSE Linux Enterprise Module for Live Patching 15

SUSE Linux Enterprise Live Patching 12-SP5

SUSE Linux Enterprise Live Patching 12-SP4

https://www.suse.com/security/cve/CVE-2021-0512.html

https://www.suse.com/security/cve/CVE-2021-0605.html

Severity
important
Lowest
Low
Medium
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Critical

Announcement ID: SUSE-SU-2021:2344-1
Rating: important

Topics%20covered

Topics Covered

security advisory kernel update privilege escalation information disclosure SUSE Linux

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