Overly broad permissions can turn one compromised account into a much larger security problem. Learn how to reduce unnecessary access, review privileges, and apply least privilege across modern Linux systems. Review Linux Privileges×

Alerts This Week
Warning Icon 1 461
Alerts This Week
Warning Icon 1 461

SUSE: 2021:1913-1 Important: Addressing Kernel Issues and Bugs

suse
Calendar Grey June 9, 2021
Scroller Suse
Ensure system stability and security with the important kernel update addressing multiple vulnerabilities.
An update that solves 12 vulnerabilities and has 52 fixes is now available

Summary

The SUSE Linux Enterprise 12 SP5 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 update important bug fixes denial-of-service SUSE Linux kernel issues

References

#1064802 #1066129 #1087082 #1101816 #1103992

#1104353 #1104427 #1104745 #1109837 #1112374

#1113431 #1126390 #1133021 #1152457 #1174682

#1176081 #1177666 #1180552 #1181383 #1182256

#1183738 #1183754 #1183947 #1184040 #1184081

#1184082 #1184611 #1184675 #1184855 #1185428

#1185481 #1185642 #1185677 #1185680 #1185703

#1185724 #1185758 #1185827 #1185859 #1185860

#1185862 #1185863 #1185898 #1185899 #1185901

#1185906 #1185938 #1185950 #1185987 #1186060

#1186061 #1186062 #1186111 #1186285 #1186390

#1186416 #1186439 #1186441 #1186452 #1186460

#1186484 #1186487 #1186498 #1186573

Cross- CVE-2020-24586 CVE-2020-24587 CVE-2020-26139

CVE-2020-26141 CVE-2020-26145 CVE-2020-26147

CVE-2021-23133 CVE-2021-23134 CVE-2...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1913-1
Rating: important

Topics%20covered

Topics Covered

security advisory update important bug fixes denial-of-service SUSE Linux kernel issues

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.