CVE-2020-10769

NameCVE-2020-10769
DescriptionA buffer over-read flaw was found in RH kernel versions before 5.0 in crypto_authenc_extractkeys in crypto/authenc.c in the IPsec Cryptographic algorithm's module, authenc. When a payload longer than 4 bytes, and is not following 4-byte alignment boundary guidelines, it causes a buffer over-read threat, leading to a system crash. This flaw allows a local attacker with user privileges to cause a denial of service.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2fixed
buster (security)4.19.289-2fixed
bullseye5.10.197-1fixed
bullseye (security)5.10.191-1fixed
bookworm6.1.55-1fixed
bookworm (security)6.1.52-1fixed
sid, trixie6.5.13-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcejessie3.16.68-1
linuxsourcestretch4.9.161-1
linuxsource(unstable)4.19.20-1

Notes

https://git.kernel.org/linus/8f9c469348487844328e162db57112f7d347c49f

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