CVE-2015-8374

NameCVE-2015-8374
Descriptionfs/btrfs/inode.c in the Linux kernel before 4.3.3 mishandles compressed inline extents, which allows local users to obtain sensitive pre-truncation information from a file via a clone action.
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)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
sid6.7.9-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy3.2.78-1
linuxsourcejessie3.16.7-ckt20-1+deb8u1
linuxsource(unstable)4.2.6-2
linux-2.6source(unstable)(unfixed)

Notes

[squeeze] - linux-2.6 <no-dsa> (btrfs in 2.6.32 is just a tech preview and not usable for production)
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0305cd5f7fca85dae392b9ba85b116896eb7c1c7 (v4.4-rc1)
https://www.openwall.com/lists/oss-security/2015/11/27/2
CVE assignment for the vulnerability with the impact of "User B now
gets to see the 1000 bytes that user A truncated from its file before
it made its file world readable"

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