CVE-2015-8961
Description
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2015-8961
Vendor advisory: security@android.com — https://github.com/torvalds/linux/commit/6934da9238da947628be83635e365df41064b09b
Vendor advisory: security@android.com — http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3
Vendor advisory: security@android.com — http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6934da9238da947628be83635e365df41064b09b
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| debian | bookworm | fixed | 4.3.3-1 |
| debian | bullseye | fixed | 4.3.3-1 |
| debian | forky | fixed | 4.3.3-1 |
| debian | sid | fixed | 4.3.3-1 |
| debian | trixie | fixed | 4.3.3-1 |
| linux-kernel | affected | 3.12 |
References
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=6934da9238da947628be83635e365df41064b09b
- http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.3.3
- http://www.securityfocus.com/bid/94135
- https://github.com/torvalds/linux/commit/6934da9238da947628be83635e365df41064b09b
- https://source.android.com/security/bulletin/2016-11-01.html
- https://security-tracker.debian.org/tracker/CVE-2015-8961
CWEs
CWE-416
Verify integrity in audit chain (admin only). AS-IS.