CVE-2011-5321

NameCVE-2011-5321
DescriptionThe tty_open function in drivers/tty/tty_io.c in the Linux kernel before 3.1.1 mishandles a driver-lookup failure, which allows local users to cause a denial of service (NULL pointer dereference and system crash) or possibly have unspecified other impact via crafted access to a device file under the /dev/pts directory.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-246-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie, jessie (lts)3.16.84-1fixed
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
trixie6.6.15-2fixed
sid6.7.7-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)3.2.20-1
linux-2.6sourcesqueeze2.6.32-48squeeze12DLA-246-1
linux-2.6source(unstable)3.2.1-1

Notes

Upstream fix: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c290f8358acaeffd8e0c551ddcc24d1206143376 (v3.2-rc1)
Introduced by: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a2b5fddd53b80efcb3266ee36e23b8de28e761a (v2.6.28-rc1)
3.2.20-1 is the first version after the src:linux-2.6 -> src:linux rename.

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