Description
crypto/mcryptd.c in the Linux kernel before 4.8.15 allows local users to cause a denial of service (NULL pointer dereference and system crash) by using an AF_ALG socket with an incompatible algorithm, as demonstrated by mcryptd(md5).
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=48a992727d82cb7db076fa15d372178743b1f4cd ↗
- https://github.com/torvalds/linux/commit/48a992727d82cb7db076fa15d372178743b1f4cd ↗
- http://marc.info/?l=linux-crypto-vger&m=148063683310477&w=2 ↗
- http://www.openwall.com/lists/oss-security/2017/01/17/13 ↗
- http://www.securityfocus.com/bid/95677 ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=1404200 ↗
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.8.15 ↗
- https://access.redhat.com/errata/RHSA-2017:2077 ↗
- https://access.redhat.com/errata/RHSA-2017:1842 ↗