CVE-2017-7374
kernel: use-after-free in keyring key revocation
Severity
LowRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · March 31, 2017
Updated · May 13, 2026
Description
A use-after-free flaw was found in the Linux kernel's file system encryption implementation. A local user could revoke keyring keys being used for ext4, f2fs, or ubifs encryption, causing a denial of service on the system.
Statement
This issue does not affect the Linux kernel packages as shipped with Red Hat Enterprise Linux 5, 6, 7 and MRG-2 as the code where the flaw was found is not present in these products.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 5.1CVSS:3.0/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
CWE-416 · Use After Free