CVE-2017-12192 | BDVDB-2026-91498 Detail
Description#
The keyctl_read_key function in security/keys/keyctl.c in the Key Management subcomponent in the Linux kernel before 4.13.5 does not properly consider that a key may be possessed but negatively instantiated, which allows local users to cause a denial of service (OOPS and system crash) via a crafted KEYCTL_READ operation.
Impact#
No impact statement in the source data.
Weaknesses#
No weakness recorded in the source data.
References#
- https://bugzilla.redhat.com/show_bug.cgi?id=1493435
- https://usn.ubuntu.com/3583-2/
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.13.5
- https://usn.ubuntu.com/3583-1/
- https://access.redhat.com/errata/RHSA-2018:0151
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=37863c43b2c6464f252862bf2e9768264e961678
- https://github.com/torvalds/linux/commit/37863c43b2c6464f252862bf2e9768264e961678
- https://lkml.org/lkml/2017/9/18/764
Exploit#
No public exploit known
History#
- Version 1Record published in the CVE List.
- Version 2Most recent update recorded in the CVE List.