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: 2021:1980-1 Critical: Kernel Various Security Vulnerabilities

suse
Calendar Grey June 15, 2021
Scroller Suse
SUSE Linux has released a security patch focusing on various weaknesses within the Linux Kernel, enhancing the overall safety and stability of the system.
An update that solves 52 vulnerabilities and has 187 fixes is now available

Summary

The SUSE Linux Enterprise 15 SP3 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)

References

#1055117 #1065729 #1087082 #1113295 #1133021

#1152457 #1152472 #1152489 #1153274 #1154353

#1155518 #1156395 #1160634 #1164648 #1167260

#1167574 #1167773 #1168777 #1168838 #1169709

#1171295 #1173485 #1174416 #1174426 #1175995

#1176447 #1176774 #1177028 #1177326 #1177666

#1178089 #1178134 #1178163 #1178330 #1178378

#1178418 #1179243 #1179519 #1179825 #1179827

#1179851 #1180197 #1180814 #1180846 #1181104

#1181383 #1181507 #1181674 #1181862 #1182077

#1182257 #1182377 #1182552 #1182574 #1182613

#1182712 #1182715 #1182717 #1182999 #1183022

#1183069 #1183252 #1183277 #1183278 #1183279

#1183280 #1183281 #1183282 #1183283 #1183284

#1183285 #1183286 #1183287 #1183288 #1183289

#1183310 #118...

Read the Full Advisory

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2021:1977-1
Rating: important

Get the latest News and Insights

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