SUSE: 2022:2423-1 Important Kernel Security Update for Retbleed
suse
July 18, 2022
An update that solves 9 vulnerabilities and has 9 fixes is now available
Summary
The SUSE Linux Enterprise 15 SP2 kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-29900, CVE-2022-29901: Fixed the RETBLEED attack, a new Spectre like Branch Target Buffer attack, that can leak arbitrary kernel information (bsc#1199657). - CVE-2022-1679: Fixed a use-after-free in the Atheros wireless driver in the way a user forces the ath9k_htc_wait_for_target function to fail with some input messages (bsc#1199487). - CVE-2022-20132: Fixed out of bounds read due to improper input validation in lg_probe and related functions of hid-lg.c (bsc#1200619). - CVE-2022-33981: Fixed use-after-free in floppy driver (bsc#1200692) - CVE-2022-20141: Fixed a possible use after free due to improper locking in ip_check_mc_rcu() (bsc#1200604).
Topics Covered
References
#1194013 #1195775 #1196901 #1197362 #1199487
#1199489 #1199657 #1200263 #1200442 #1200571
#1200599 #1200604 #1200605 #1200608 #1200619
#1200692 #1201050 #1201080
Cross- CVE-2021-26341 CVE-2021-4157 CVE-2022-1679
CVE-2022-20132 CVE-2022-20141 CVE-2022-20154
CVE-2022-29900 CVE-2022-29901 CVE-2022-33981
CVSS scores:
CVE-2021-26341 (NVD) : 6.5 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:N/A:N
CVE-2021-26341 (SUSE): 5.6 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:N/A:N
CVE-2021-4157 (NVD) : 8 CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2021-4157 (SUSE): 3.4 CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:L
CVE-2022-1679 (NVD) : 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVE-2022-1679 (SUSE): 7 CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
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Announcement ID: SUSE-SU-2022:2423-1
Rating: important
Topics Covered
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