CVE-2017-7374

Name	CVE-2017-7374
Description	Use-after-free vulnerability in fs/crypto/ in the Linux kernel before 4.10.7 allows local users to cause a denial of service (NULL pointer dereference) or possibly gain privileges by revoking keyring keys being used for ext4, f2fs, or ubifs encryption, causing cryptographic transform objects to be freed prematurely.
Source	CVE (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)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
linux (PTS)	buster	4.19.249-2	fixed
	buster (security)	4.19.282-1	fixed
	bullseye	5.10.178-3	fixed
	bullseye (security)	5.10.179-1	fixed
	bookworm, sid	6.1.27-1	fixed

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

Package	Type	Release	Fixed Version
linux	source	wheezy	(not affected)
linux	source	jessie	(not affected)
linux	source	(unstable)	4.9.25-1

Notes

[jessie] - linux <not-affected> (Vulnerable code not present; Introduced in 4.2-rc1)
[wheezy] - linux <not-affected> (Vulnerable code not present; Introduced in 4.2-rc1)
Fixed by: https://git.kernel.org/linus/1b53cf9815bb4744958d41f3795d5d5a1d365e2d (4.11-rc4)