Description
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.
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
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=363b02dab09b3226f3bd1420dad9c72b79a42a76 ↗
- https://github.com/torvalds/linux/commit/363b02dab09b3226f3bd1420dad9c72b79a42a76 ↗
- http://www.securityfocus.com/bid/101621 ↗
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.10 ↗