CVE-2017-15951

HIGH7.8

The KEYS subsystem in the Linux kernel before 4

Published Oct 28, 2017

Modified 1 years ago

Details

The KEYS subsystem in the Linux kernel before 4.13.10 does not correctly synchronize the actions of updating versus finding a key in the "negative" state to avoid a race condition, which allows local users to cause a denial of service or possibly have unspecified other impact via crafted system calls.

References

WEB

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=363b02dab09b3226f3bd1420dad9c72b79a42a76

WEB

http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.10

WEB

http://www.securityfocus.com/bid/101621

WEB

https://github.com/torvalds/linux/commit/363b02dab09b3226f3bd1420dad9c72b79a42a76

ADVISORY

https://www.cve.org/CVERecord?id=CVE-2017-15951

CVSS Analysis