CVE-2021-4159

NameCVE-2021-4159
Descriptionbpf: Verifer, adjust_scalar_min_max_vals to always call update_reg_bounds()
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1vulnerable
stretch (security)4.9.303-1vulnerable
buster4.19.235-1vulnerable
buster (security)4.19.232-1vulnerable
bullseye5.10.106-1fixed
bullseye (security)5.10.113-1fixed
bookworm5.17.3-1fixed
sid5.17.6-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)5.7.6-1

Notes

[stretch] - linux <ignored> (Too risky to backport, and mitigated by default)
Fixed by: https://git.kernel.org/linus/294f2fc6da27620a506e6c050241655459ccd6bd (5.7-rc1)

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