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AUSCERT External Security Bulletin Redistribution
ESB-2022.1002
Security update for the Linux Kernel
10 March 2022
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AusCERT Security Bulletin Summary
---------------------------------
Product: Linux Kernel
Publisher: SUSE
Operating System: SUSE
Resolution: Patch/Upgrade
CVE Names: CVE-2022-0002 CVE-2022-0001
Original Bulletin:
https://www.suse.com/support/update/announcement/2022/suse-su-20220764-1
Comment: CVSS (Max): 5.6 CVE-2022-0002 (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N)
CVSS Source: SUSE
Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
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SUSE Security Update: Security update for the Linux Kernel
______________________________________________________________________________
Announcement ID: SUSE-SU-2022:0764-1
Rating: important
References: #1191580 #1192483 #1195701 #1195995 #1196584
Cross-References: CVE-2022-0001 CVE-2022-0002
Affected Products:
SUSE Linux Enterprise Micro 5.0
SUSE Linux Enterprise Module for Realtime 15-SP2
SUSE Linux Enterprise Real Time 15-SP2
______________________________________________________________________________
An update that solves two vulnerabilities and has three fixes is now available.
Description:
The SUSE Linux Enterprise 15 SP2 RT kernel was updated to receive various
security and bugfixes.
Transient execution side-channel attacks attacking the Branch History Buffer
(BHB), named "Branch Target Injection" and "Intra-Mode Branch History
Injection" are now mitigated.
The following security bugs were fixed:
o CVE-2022-0001: Fixed Branch History Injection vulnerability (bsc#1191580).
o CVE-2022-0002: Fixed Intra-Mode Branch Target Injection vulnerability (bsc#
1191580).
The following non-security bugs were fixed:
o btrfs: check for missing device in btrfs_trim_fs (bsc#1195701).
o lib/iov_iter: initialize "flags" in new pipe_buffer (bsc#1196584).
o nfsd: allow delegation state ids to be revoked and then freed (bsc#
1192483).
o nfsd: allow open state ids to be revoked and then freed (bsc#1192483).
o nfsd: do not admin-revoke NSv4.0 state ids (bsc#1192483).
o nfsd: prepare for supporting admin-revocation of state (bsc#1192483).
o powerpc/pseries/ddw: Revert "Extend upper limit for huge DMA window for
persistent memory" (bsc#1195995 ltc#196394).
Special Instructions and Notes:
Please reboot the system after installing this update.
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 Realtime 15-SP2:
zypper in -t patch SUSE-SLE-Module-RT-15-SP2-2022-764=1
o SUSE Linux Enterprise Micro 5.0:
zypper in -t patch SUSE-SUSE-MicroOS-5.0-2022-764=1
Package List:
o SUSE Linux Enterprise Module for Realtime 15-SP2 (noarch):
kernel-devel-rt-5.3.18-76.1
kernel-source-rt-5.3.18-76.1
o SUSE Linux Enterprise Module for Realtime 15-SP2 (x86_64):
cluster-md-kmp-rt-5.3.18-76.1
cluster-md-kmp-rt-debuginfo-5.3.18-76.1
dlm-kmp-rt-5.3.18-76.1
dlm-kmp-rt-debuginfo-5.3.18-76.1
gfs2-kmp-rt-5.3.18-76.1
gfs2-kmp-rt-debuginfo-5.3.18-76.1
kernel-rt-5.3.18-76.1
kernel-rt-debuginfo-5.3.18-76.1
kernel-rt-debugsource-5.3.18-76.1
kernel-rt-devel-5.3.18-76.1
kernel-rt-devel-debuginfo-5.3.18-76.1
kernel-rt_debug-5.3.18-76.1
kernel-rt_debug-debuginfo-5.3.18-76.1
kernel-rt_debug-debugsource-5.3.18-76.1
kernel-rt_debug-devel-5.3.18-76.1
kernel-rt_debug-devel-debuginfo-5.3.18-76.1
kernel-syms-rt-5.3.18-76.1
ocfs2-kmp-rt-5.3.18-76.1
ocfs2-kmp-rt-debuginfo-5.3.18-76.1
o SUSE Linux Enterprise Micro 5.0 (x86_64):
kernel-rt-5.3.18-76.1
kernel-rt-debuginfo-5.3.18-76.1
kernel-rt-debugsource-5.3.18-76.1
References:
o https://www.suse.com/security/cve/CVE-2022-0001.html
o https://www.suse.com/security/cve/CVE-2022-0002.html
o https://bugzilla.suse.com/1191580
o https://bugzilla.suse.com/1192483
o https://bugzilla.suse.com/1195701
o https://bugzilla.suse.com/1195995
o https://bugzilla.suse.com/1196584
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