CVE-2021-4148

NameCVE-2021-4148
DescriptionImproper implementation of block_invalidatepage() allows users to crash the kernel
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)4.9.290-1vulnerable
buster4.19.208-1vulnerable
buster (security)4.19.194-3vulnerable
bullseye5.10.84-1vulnerable
bullseye (security)5.10.46-5vulnerable
bookworm5.15.5-2vulnerable
sid5.15.15-1vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)(unfixed)

Notes

https://lkml.org/lkml/2021/9/17/1037
https://lkml.org/lkml/2021/9/12/323

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