CVE-2021-3347

NameCVE-2021-3347
DescriptionAn issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2557-1, DLA-2586-1, DSA-4843-1, ELA-378-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie, jessie (lts)3.16.84-1vulnerable
stretch (security)4.9.320-2fixed
stretch (lts), stretch4.9.320-3fixed
buster4.19.249-2fixed
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.205-2fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.69-1fixed
sid, trixie6.6.15-2fixed
linux-4.19 (PTS)stretch (security)4.19.232-1~deb9u1fixed
stretch (lts), stretch4.19.304-1~deb9u1fixed
linux-4.9 (PTS)jessie, jessie (lts)4.9.303-1~deb8u3fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcejessie(unfixed)end-of-life
linuxsourcestretch4.9.258-1DLA-2586-1
linuxsourcebuster4.19.171-2DSA-4843-1
linuxsource(unstable)5.10.12-1
linux-4.19sourcestretch4.19.171-2~deb9u1DLA-2557-1
linux-4.9sourcejessie4.9.258-1~deb8u1ELA-378-1

Notes

https://www.openwall.com/lists/oss-security/2021/01/29/1

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