CVE-2017-18224 | BDVDB-2026-97692 Detail

Description#

In the Linux kernel before 4.15, fs/ocfs2/aops.c omits use of a semaphore and consequently has a race condition for access to the extent tree during read operations in DIRECT mode, which allows local users to cause a denial of service (BUG) by modifying a certain e_cpos field.

Impact#

No impact statement in the source data.

Weaknesses#

No weakness recorded in the source data.

References#

http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3e4c56d41eef5595035872a2ec5a483f42e8917f
https://github.com/torvalds/linux/commit/3e4c56d41eef5595035872a2ec5a483f42e8917f
https://www.debian.org/security/2018/dsa-4188
http://www.securityfocus.com/bid/103353

Exploit#

No public exploit known

History#

Version 12018-03-12Record published in the CVE List.
Version 22024-08-05Most recent update recorded in the CVE List.