CVE-2019-11833

NameCVE-2019-11833
Descriptionfs/ext4/extents.c in the Linux kernel through 5.1.2 does not zero out the unused memory region in the extent tree block, which might allow local users to obtain sensitive information by reading uninitialized data in the filesystem.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)
ReferencesDLA-1823-1, DLA-1824-1, DSA-4465-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2fixed
buster (security)4.19.260-1fixed
bullseye5.10.140-1fixed
bullseye (security)5.10.149-2fixed
bookworm6.0.8-1fixed
sid6.0.10-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcejessie3.16.68-2DLA-1823-1
linuxsourcestretch4.9.168-1+deb9u3DSA-4465-1
linuxsource(unstable)4.19.37-4
linux-4.9sourcejessie4.9.168-1+deb9u3~deb8u1DLA-1824-1

Notes

Fixed by: https://git.kernel.org/linus/592acbf16821288ecdc4192c47e3774a4c48bb64

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