Linux Kernel (Live Patch 40 for SLE 15 SP3): CVSS (Max): 7.8

May 9, 2024

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AUSCERT External Security Bulletin Redistribution

ESB-2024.2865
Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP3)
9 May 2024

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AusCERT Security Bulletin Summary
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Product: Linux Kernel (Live Patch 40 for SLE 15 SP3)
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2024-26622 CVE-2024-1086 CVE-2024-0775

Original Bulletin:
https://www.suse.com/support/update/announcement/2024/suse-su-20241562-1

Comment: CVSS (Max): 7.8 CVE-2024-26622 (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

– ————————–BEGIN INCLUDED TEXT——————–

Security update for the Linux Kernel (Live Patch 40 for SLE 15 SP3)

Announcement ID: SUSE-SU-2024:1562-1
Rating: important
o bsc#1219079
References: o bsc#1219435
o bsc#1220828

o CVE-2024-0775
Cross-References: o CVE-2024-1086
o CVE-2024-26622

o CVE-2024-0775 ( SUSE ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:N/I:H/A:H
o CVE-2024-0775 ( NVD ): 7.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
S:U/C:H/I:N/A:H
o CVE-2024-1086 ( SUSE ): 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/
CVSS scores: S:U/C:H/I:H/A:H
o 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
o 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

o openSUSE Leap 15.3
o SUSE Linux Enterprise High Performance Computing 15 SP3
Affected o SUSE Linux Enterprise Live Patching 15-SP3
Products: o SUSE Linux Enterprise Micro 5.1
o SUSE Linux Enterprise Micro 5.2
o SUSE Linux Enterprise Server 15 SP3
o SUSE Linux Enterprise Server for SAP Applications 15 SP3

An update that solves three vulnerabilities can now be installed.

Description:

This update for the Linux Kernel 5.3.18-150300_59_147 fixes several issues.

The following security issues were fixed:

o CVE-2024-0775: Fixed a use-after-free flaw was found in the __ext4_remount
in fs/ext4/super.c in ext4 (bsc#1219079).
o CVE-2024-26622: Fixed a use-after-free bug in tomoyo_write_control() (bsc#
1220828).
o CVE-2024-1086: Fixed a use-after-free vulnerability related to
nft_verdict_init() (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:

o openSUSE Leap 15.3
zypper in -t patch SUSE-2024-1562=1
o SUSE Linux Enterprise Live Patching 15-SP3
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP3-2024-1562=1

Package List:

o openSUSE Leap 15.3 (ppc64le s390x x86_64)
kernel-livepatch-5_3_18-150300_59_147-default-6-150300.2.1
kernel-livepatch-5_3_18-150300_59_147-default-debuginfo-6-150300.2.1
kernel-livepatch-SLE15-SP3_Update_40-debugsource-6-150300.2.1
o openSUSE Leap 15.3 (x86_64)
kernel-livepatch-5_3_18-150300_59_147-preempt-debuginfo-6-150300.2.1
kernel-livepatch-5_3_18-150300_59_147-preempt-6-150300.2.1
o SUSE Linux Enterprise Live Patching 15-SP3 (ppc64le s390x x86_64)
kernel-livepatch-5_3_18-150300_59_147-default-6-150300.2.1

References:

o https://www.suse.com/security/cve/CVE-2024-0775.html
o https://www.suse.com/security/cve/CVE-2024-1086.html
o https://www.suse.com/security/cve/CVE-2024-26622.html
o https://bugzilla.suse.com/show_bug.cgi?id=1219079
o https://bugzilla.suse.com/show_bug.cgi?id=1219435
o https://bugzilla.suse.com/show_bug.cgi?id=1220828

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