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SUSE: 2021:1890-1 Important: Kernel Security Fixes and Updates

suse
Calendar Grey June 8, 2021
Scroller Suse
A total of 12 security issues addressed in the SUSE Linux Kernel update, with a suggested restart necessary to implement the corrections.
An update that solves 12 vulnerabilities and has 60 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-2021-33200: Enforcing incorrect limits for pointer arithmetic operations by the BPF verifier could be abused to perform out-of-bounds reads and writes in kernel memory (bsc#1186484). - CVE-2021-33034: Fixed a use-after-free when destroying an hci_chan. This could lead to writing an arbitrary values. (bsc#1186111) - CVE-2020-26139: Fixed a denial-of-service when an Access Point (AP) forwards EAPOL frames to other clients even though the sender has not yet successfully authenticated to the AP. (bnc#1186062) - CVE-2021-23134: A Use After Free vulnerability in nfc sockets allowed local attackers to elevate their privileges. (bnc#1186060)

Topics%20covered

Topics Covered

security advisory denial of service bug fix kernel SUSE arbitrary write

References

#1087082 #1133021 #1152457 #1152489 #1155518

#1156395 #1164648 #1177666 #1178378 #1178418

#1178612 #1179519 #1179825 #1179827 #1179851

#1182257 #1182378 #1182999 #1183346 #1183868

#1183873 #1183932 #1183947 #1183976 #1184081

#1184082 #1184259 #1184611 #1184855 #1185428

#1185495 #1185497 #1185589 #1185606 #1185642

#1185645 #1185677 #1185680 #1185703 #1185725

#1185758 #1185859 #1185860 #1185861 #1185862

#1185863 #1185898 #1185899 #1185911 #1185938

#1185950 #1185982 #1185987 #1185988 #1186060

#1186061 #1186062 #1186111 #1186285 #1186320

#1186390 #1186416 #1186439 #1186441 #1186451

#1186460 #1186479 #1186484 #1186498 #1186501

#1186573 #1186681

Cross- CVE-2020-24586 CVE-2020-24587 CVE-2020-24588

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Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1890-1
Rating: important

Topics%20covered

Topics Covered

security advisory denial of service bug fix kernel SUSE arbitrary write

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