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AUSCERT External Security Bulletin Redistribution
ESB-2024.1860
Security update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP5)
28 March 2024
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AusCERT Security Bulletin Summary
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Product: Linux Kernel RT (Live Patch 7 for SLE 15 SP5)
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2023-51779 CVE-2023-6531
Original Bulletin:
https://www.suse.com/support/update/announcement/2024/suse-su-20240989-1
Comment: CVSS (Max): 7.0 CVE-2023-6531 (CVSS:3.1/AV:L/AC:H/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:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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Security update for the Linux Kernel RT (Live Patch 7 for SLE 15 SP5)
Announcement ID: SUSE-SU-2024:0989-1
Rating: important
o bsc#1218487
References: o bsc#1218610
o bsc#1219157
o CVE-2023-51779
Cross-References: o CVE-2023-6531
o CVE-2023-51779 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N
/S:U/C:H/I:H/A:H
o CVE-2023-6531 ( SUSE ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
CVSS scores: S:U/C:H/I:H/A:H
o CVE-2023-6531 ( NVD ): 7.0 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/
S:U/C:H/I:H/A:H
o openSUSE Leap 15.5
o SUSE Linux Enterprise High Performance Computing 15 SP5
Affected o SUSE Linux Enterprise Live Patching 15-SP5
Products: o SUSE Linux Enterprise Micro 5.5
o SUSE Linux Enterprise Real Time 15 SP5
o SUSE Linux Enterprise Server 15 SP5
o SUSE Linux Enterprise Server for SAP Applications 15 SP5
An update that solves two vulnerabilities and has one security fix can now be
installed.
Description:
This update for the Linux Kernel 5.14.21-150500_13_24 fixes several issues.
The following security issues were fixed:
o CVE-2023-6531: Fixed a use-after-free flaw due to a race problem in the
unix garbage collector's deletion of SKB races with
unix_stream_read_generic()on the socket that the SKB is queued on (bsc#
1218487).
o CVE-2023-51779: Fixed a use-after-free because of a bt_sock_ioctl race
condition in bt_sock_recvmsg (bsc#1218610).
o Recommended fix for IO lock-ups on HBA355i with SLES 15SP5. (bsc#1219157)
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 15.5
zypper in -t patch SUSE-2024-989=1
o SUSE Linux Enterprise Live Patching 15-SP5
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP5-2024-989=1
Package List:
o openSUSE Leap 15.5 (x86_64)
kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-5-150500.2.2
kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-5-150500.2.2
kernel-livepatch-5_14_21-150500_13_24-rt-5-150500.2.2
o SUSE Linux Enterprise Live Patching 15-SP5 (x86_64)
kernel-livepatch-5_14_21-150500_13_24-rt-debuginfo-5-150500.2.2
kernel-livepatch-SLE15-SP5-RT_Update_7-debugsource-5-150500.2.2
kernel-livepatch-5_14_21-150500_13_24-rt-5-150500.2.2
References:
o https://www.suse.com/security/cve/CVE-2023-51779.html
o https://www.suse.com/security/cve/CVE-2023-6531.html
o https://bugzilla.suse.com/show_bug.cgi?id=1218487
o https://bugzilla.suse.com/show_bug.cgi?id=1218610
o https://bugzilla.suse.com/show_bug.cgi?id=1219157
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