The __ext4_journal_stop function in fs/ext4/ext4_jbd2.c in the Linux kernel before 4.3.3 allows local users to gain privileges or cause a denial of service (use-after-free) by leveraging improper access to a certain error field.
https://source.android.com/security/bulletin/2016-11-01.html
http://www.securityfocus.com/bid/94135
https://github.com/torvalds/linux/commit/6934da9238da947628be83635e365df41064b09b
http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6934da9238da947628be83635e365df41064b09b
Source: Mitre, NVD
Published: 2016-11-16
Updated: 2025-04-12
Base Score: 9.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:C/I:C/A:C
Severity: High
Base Score: 7.8
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: 0.00246