CVE-2017-12193

Name	CVE-2017-12193
Description	The assoc_array_insert_into_terminal_node function in lib/assoc_array.c in the Linux kernel before 4.13.11 mishandles node splitting, which allows local users to cause a denial of service (NULL pointer dereference and panic) via a crafted application, as demonstrated by the keyring key type, and key addition and link creation operations.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, 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 Package	Release	Version	Status
linux (PTS)	bookworm	6.1.176-1	fixed
	bookworm (security)	6.1.187-1	fixed
	trixie	6.12.94-1	fixed
	trixie (security)	6.12.107-1	fixed
	forky, sid	7.1.13-1	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	3.16.51-1
linux	source	stretch	4.9.65-1
linux	source	(unstable)	4.13.13-1

Notes

[wheezy] - linux <not-affected> (Vulnerable code introduced in 3.13-rc1)
Fixed by: https://git.kernel.org/linus/ea6789980fdaa610d7eb63602c746bf6ec70cd2b (4.14-rc7)
Introduced by: https://git.kernel.org/linus/3cb989501c2688cacbb7dc4b0d353faf838f53a1 (3.13-rc1)