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SUSE: CVE-2020-8835: SUSE Linux Security Advisory

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SUSE: CVE-2020-8835: SUSE Linux Security Advisory

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
03/30/2020
Created
02/10/2022
Added
02/04/2022
Modified
02/04/2022

Description

In the Linux kernel 5.5.0 and newer, the bpf verifier (kernel/bpf/verifier.c) did not properly restrict the register bounds for 32-bit operations, leading to out-of-bounds reads and writes in kernel memory. The vulnerability also affects the Linux 5.4 stable series, starting with v5.4.7, as the introducing commit was backported to that branch. This vulnerability was fixed in 5.6.1, 5.5.14, and 5.4.29. (issue is aka ZDI-CAN-10780)

Solution(s)

  • suse-upgrade-kernel-default

References

  • USN-4313-1
  • CVE-2020-8835

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