CVE-2015-8785

NameCVE-2015-8785
DescriptionThe fuse_fill_write_pages function in fs/fuse/file.c in the Linux kernel before 4.4 allows local users to cause a denial of service (infinite loop) via a writev system call that triggers a zero length for the first segment of an iov.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-412-1, DSA-3503-1
NVD severitymedium (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1fixed
wheezy (security)3.2.93-1fixed
jessie3.16.43-2+deb8u2fixed
jessie (security)3.16.43-2+deb8u5fixed
stretch4.9.51-1fixed
stretch (security)4.9.30-2+deb9u5fixed
buster, sid4.13.4-2fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.3.5-1medium
linuxsourcejessie3.16.7-ckt20-1+deb8u4mediumDSA-3503-1
linuxsourcewheezy3.2.73-2+deb7u3mediumDSA-3503-1
linux-2.6source(unstable)(unfixed)medium
linux-2.6sourcesqueeze2.6.32-48squeeze19mediumDLA-412-1

Notes

Upstream commit: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3ca8138f014a913f98e6ef40e939868e1e9ea876 (v4.4-rc5)
Introduced in: https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ea9b9907b82a09bd1a708004454f7065de77c5b0 (v2.6.26-rc1)
https://bugzilla.redhat.com/show_bug.cgi?id=1290642
http://www.openwall.com/lists/oss-security/2016/01/24/1

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