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.
History

No history.

cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2018-03-12T03:00:00

Updated: 2024-08-05T21:13:49.057Z

Reserved: 2018-03-11T00:00:00

Link: CVE-2017-18224

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-03-12T03:29:00.260

Modified: 2018-05-03T01:29:37.367

Link: CVE-2017-18224

cve-icon Redhat

Severity : Moderate

Publid Date: 2017-11-15T00:00:00Z

Links: CVE-2017-18224 - Bugzilla