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SUSE: SUSE-SU-2022:0372-1 Critical Note: Kernel Update Threat

suse
Calendar Grey February 11, 2022
Dist Suse Esm H88
Essential patches address several security flaws in the SUSE Linux Kernel. Make sure to implement these updates for maintaining system stability.
An update that solves 13 vulnerabilities and has 28 fixes is now available

Summary

The SUSE Linux Enterprise 12 SP5 Azure kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2022-0435: Fixed remote stack overflow in net/tipc module that validate domain record count on input (bsc#1195254). - CVE-2021-3564: Fixed double-free memory corruption in the Linux kernel HCI device initialization subsystem that could have been used by attaching malicious HCI TTY Bluetooth devices. A local user could use this flaw to crash the system (bnc#1186207). - CVE-2020-28097: Fixed out-of-bounds read in vgacon subsystem that mishandled software scrollback (bnc#1187723). - CVE-2021-44733: Fixed a use-after-free exists in drivers/tee/tee_shm.c in the TEE subsystem, that could have occured because of a race

References

#1065729 #1071995 #1082555 #1163405 #1177599

#1183405 #1184209 #1186207 #1186222 #1187428

#1187723 #1188605 #1190973 #1192729 #1193096

#1193234 #1193235 #1193242 #1193507 #1193660

#1193727 #1193767 #1193861 #1193864 #1193927

#1194027 #1194227 #1194302 #1194410 #1194493

#1194516 #1194529 #1194814 #1194880 #1194888

#1194965 #1194985 #1195065 #1195073 #1195254

#1195272

Cross- CVE-2020-28097 CVE-2021-3564 CVE-2021-39648

CVE-2021-39657 CVE-2021-4083 CVE-2021-4135

CVE-2021-4197 CVE-2021-4202 CVE-2021-44733

CVE-2022-0322 CVE-2022-0330 CVE-2022-0435

CVE-2022-22942

CVSS scores:

CVE-2020-28097 (NVD) : 5.9 CVSS:3.1/AV:P/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

CVE-2020-28097 (SUSE): 6.2 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I...

Read the Full Advisory

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Announcement ID: SUSE-SU-2022:0372-1
Rating: critical

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