Description
The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service (NULL pointer dereference and system crash) via vectors involving a NULL value for a certain match field, related to the keyring_search_iterator function in keyring.c.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- https://access.redhat.com/errata/RHSA-2017:2437 ↗
- https://access.redhat.com/errata/RHSA-2017:2444 ↗
- http://www.securityfocus.com/bid/97258 ↗
- https://github.com/torvalds/linux/commit/c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81 ↗
- https://usn.ubuntu.com/3849-1/ ↗
- https://usn.ubuntu.com/3849-2/ ↗
- https://access.redhat.com/errata/RHSA-2017:2077 ↗
- https://access.redhat.com/errata/RHSA-2017:1842 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1428353 ↗
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=c06cfb08b88dfbe13be44a69ae2fdc3a7c902d81 ↗