CVE-2016-9313

NameCVE-2016-9313
Descriptionsecurity/keys/big_key.c in the Linux kernel before 4.8.7 mishandles unsuccessful crypto registration in conjunction with successful key-type registration, which allows local users to cause a denial of service (NULL pointer dereference and panic) or possibly have unspecified other impact via a crafted application that uses the big_key data type.
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
linuxsourcewheezy(not affected)
linuxsourcejessie(not affected)
linuxsource(unstable)4.8.7-1

Notes

[jessie] - linux <not-affected> (Vulnerable code introduced later)
[wheezy] - linux <not-affected> (Vulnerable code introduced later)
Fixed by: https://git.kernel.org/linus/7df3e59c3d1df4f87fe874c7956ef7a3d2f4d5fb (v4.9-rc3)
Introduced by: https://git.kernel.org/linus/13100a72f40f5748a04017e0ab3df4cf27c809ef (v4.7-rc1)

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