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SUSE: 2024:1386-1 Important Local Escalation Fix in Linux Kernel

suse
Calendar Grey April 22, 2024
Dist Suse Esm H88
Critical security patch available for SUSE Linux Kernel addresses significant local privilege escalation and use-after-free vulnerabilities. Update immediately!
* bsc#1219435 * bsc#1220828 Cross-References: * CVE-2024-1086

Summary

## This update for the Linux Kernel 5.14.21-150400_24_103 fixes several issues. The following security issues were fixed: * CVE-2024-26622: Fixed UAF write bug in tomoyo_write_control() (bsc#1220828). * CVE-2024-1086: Fixed a use-after-free vulnerability inside the nf_tables component that could have been exploited to achieve local privilege escalation (bsc#1219435). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.4 zypper in -t patch SUSE-2024-1386=1 SUSE-2024-1384=1 * SUSE Linux Enterprise Live Patching 15-SP4 zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2024-1386=1 SUSE-SLE-

Topics%20covered

Topics Covered

security advisory local privilege escalation SUSE Linux use-after-free kernel live patch

References

* bsc#1219435

* bsc#1220828

Cross-

* CVE-2024-1086

* CVE-2024-26622

CVSS scores:

* CVE-2024-1086 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2024-1086 ( NVD ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

* CVE-2024-26622 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products:

* openSUSE Leap 15.4

* SUSE Linux Enterprise High Performance Computing 15 SP4

* SUSE Linux Enterprise Live Patching 15-SP4

* SUSE Linux Enterprise Micro 5.3

* SUSE Linux Enterprise Micro 5.4

* SUSE Linux Enterprise Real Time 15 SP4

* SUSE Linux Enterprise Server 15 SP4

* SUSE Linux Enterprise Server for SAP Applications 15 SP4

An update that solves two vulnerabilities can now be installed.

##

* https://www.suse.com/security/cve/CVE-2024-1086.html

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2024:1386-1
Rating: important

Topics%20covered

Topics Covered

security advisory local privilege escalation SUSE Linux use-after-free kernel live patch

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