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SUSE: 2021:2426-1 Important: Linux Kernel Security Update and Fixes

suse
Calendar Grey July 21, 2021
Dist Suse Esm H88
Essential SUSE patch for Linux Kernel targeting various vulnerabilities. Immediate action necessary to uphold system security.
An update that solves 9 vulnerabilities, contains 8 features and has 101 fixes is now available

Summary

The SUSE Linux Enterprise 15 SP2 RT kernel was updated to receive various security and bugfixes. The following security bugs were fixed: - CVE-2021-3573: Fixed an UAF vulnerability in function that can allow attackers to corrupt kernel heaps and adopt further exploitations. (bsc#1186666) - CVE-2021-0605: Fixed an out-of-bounds read which could lead to local information disclosure in the kernel with System execution privileges needed. (bsc#1187601) - CVE-2021-0512: Fixed a possible out-of-bounds write which could lead to local escalation of privilege with no additional execution privileges needed. (bsc#1187595) - CVE-2021-33624: Fixed a bug which allows unprivileged BPF program to leak the contents of arbitrary kernel memory (and therefore, of all physical memory) via a side-channel. (bsc#1187554)

Topics%20covered

Topics Covered

security advisory privilege escalation memory corruption important information disclosure SUSE linux kernel

References

#1152489 #1153274 #1154353 #1155518 #1164648

#1174978 #1176771 #1179610 #1182470 #1183712

#1184212 #1184685 #1185195 #1185486 #1185589

#1185675 #1185677 #1185701 #1186206 #1186463

#1186666 #1186672 #1186752 #1186949 #1186950

#1186951 #1186952 #1186953 #1186954 #1186955

#1186956 #1186957 #1186958 #1186959 #1186960

#1186961 #1186962 #1186963 #1186964 #1186965

#1186966 #1186967 #1186968 #1186969 #1186970

#1186971 #1186972 #1186973 #1186974 #1186976

#1186977 #1186978 #1186979 #1186980 #1186981

#1186982 #1186983 #1186984 #1186985 #1186986

#1186987 #1186988 #1186989 #1186990 #1186991

#1186992 #1186993 #1186994 #1186995 #1186996

#1186997 #1186998 #1186999 #1187000 #1187001

#1187002 #118...

Read the Full Advisory

Severity
important
Lowest
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Critical

Announcement ID: SUSE-SU-2021:2426-1
Rating: important

Topics%20covered

Topics Covered

security advisory privilege escalation memory corruption important information disclosure SUSE linux kernel

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