vulnerability

SUSE: CVE-2020-27170: SUSE Linux Security Advisory

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Severity
2
CVSS
(AV:L/AC:M/Au:N/C:P/I:N/A:N)
Published
2021-03-20
Added
2021-04-10
Modified
2022-02-04

Description

An issue was discovered in the Linux kernel before 5.11.8. kernel/bpf/verifier.c performs undesirable out-of-bounds speculation on pointer arithmetic, leading to side-channel attacks that defeat Spectre mitigations and obtain sensitive information from kernel memory, aka CID-f232326f6966. This affects pointer types that do not define a ptr_limit.

Solution(s)

suse-upgrade-cluster-md-kmp-defaultsuse-upgrade-dlm-kmp-defaultsuse-upgrade-gfs2-kmp-defaultsuse-upgrade-kernel-defaultsuse-upgrade-kernel-default-extrasuse-upgrade-kernel-docssuse-upgrade-kernel-obs-buildsuse-upgrade-ocfs2-kmp-default

References

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