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AUSCERT External Security Bulletin Redistribution
ESB-2022.6627
Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP4)
20 December 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2022-43945 CVE-2022-4378 CVE-2022-4139
CVE-2022-3640 CVE-2022-3586 CVE-2022-3545
Original Bulletin:
https://www.suse.com/support/update/announcement/2022/suse-su-20224560-1
Comment: CVSS (Max): 8.8 CVE-2022-43945 (CVSS:3.1/AV:N/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:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
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SUSE Security Update: Security update for the Linux Kernel (Live Patch 4 for
SLE 15 SP4)
______________________________________________________________________________
Announcement ID: SUSE-SU-2022:4560-1
Rating: important
References: #1204424 #1204576 #1204624 #1205130 #1205815 #1206228
Cross-References: CVE-2022-3545 CVE-2022-3586 CVE-2022-3640 CVE-2022-4139
CVE-2022-4378 CVE-2022-43945
Affected Products:
SUSE Linux Enterprise High Performance Computing 15-SP4
SUSE Linux Enterprise Module for Live Patching 15-SP4
SUSE Linux Enterprise Server 15-SP4
SUSE Linux Enterprise Server for SAP Applications 15-SP4
______________________________________________________________________________
An update that fixes 6 vulnerabilities is now available.
Description:
This update for the Linux Kernel 5.14.21-150400_24_28 fixes several issues.
The following security issues were fixed:
o CVE-2022-43945: Fixed a buffer overflow in the NFSD implementation (bsc#
1205128).
o CVE-2022-4378: Fixed stack overflow in __do_proc_dointvec (bsc#1206207).
o CVE-2022-4139: Fixed an issue with the i915 driver that allowed the GPU to
access any physical memory (bsc#1205700).
o CVE-2022-3640: Fixed a use-after-free in l2cap_conn_del of the file net/
bluetooth/l2cap_core.c (bsc#1204619).
o CVE-2022-3586: Fixed use-after-free in socket buffer (SKB) that could allow
a local unprivileged user to cause a denial of service (bsc#1204439).
o CVE-2022-3545: Fixed a use-after-free in area_cache_get() of the file
drivers/net/ethernet/netronome/nfp/nfpcore/nfp_cppcore.c (bsc#1204415).
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:
o SUSE Linux Enterprise Module for Live Patching 15-SP4:
zypper in -t patch SUSE-SLE-Module-Live-Patching-15-SP4-2022-4560=1
Package List:
o SUSE Linux Enterprise Module for Live Patching 15-SP4 (ppc64le s390x
x86_64):
kernel-livepatch-5_14_21-150400_24_28-default-3-150400.2.1
kernel-livepatch-5_14_21-150400_24_28-default-debuginfo-3-150400.2.1
kernel-livepatch-SLE15-SP4_Update_4-debugsource-3-150400.2.1
References:
o https://www.suse.com/security/cve/CVE-2022-3545.html
o https://www.suse.com/security/cve/CVE-2022-3586.html
o https://www.suse.com/security/cve/CVE-2022-3640.html
o https://www.suse.com/security/cve/CVE-2022-4139.html
o https://www.suse.com/security/cve/CVE-2022-4378.html
o https://www.suse.com/security/cve/CVE-2022-43945.html
o https://bugzilla.suse.com/1204424
o https://bugzilla.suse.com/1204576
o https://bugzilla.suse.com/1204624
o https://bugzilla.suse.com/1205130
o https://bugzilla.suse.com/1205815
o https://bugzilla.suse.com/1206228
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