CVE-2017-7645

NameCVE-2017-7645
DescriptionThe NFSv2/NFSv3 server in the nfsd subsystem in the Linux kernel through 4.10.11 allows remote attackers to cause a denial of service (system crash) via a long RPC reply, related to net/sunrpc/svc.c, fs/nfsd/nfs3xdr.c, and fs/nfsd/nfsxdr.c.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SuSE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-993-1, DSA-3886-1
NVD severityhigh (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)wheezy3.2.78-1vulnerable
wheezy (security)3.2.89-2fixed
jessie3.16.43-2+deb8u2fixed
jessie (security)3.16.43-2+deb8u3fixed
stretch4.9.30-2+deb9u2fixed
stretch (security)4.9.30-2+deb9u3fixed
buster, sid4.12.6-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.9.25-1high
linuxsourcejessie3.16.43-2+deb8u1highDSA-3886-1
linuxsourcewheezy3.2.89-1highDLA-993-1

Notes

Fixed by: https://git.kernel.org/linus/e6838a29ecb484c97e4efef9429643b9851fba6e

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