CVE-2019-19318
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
In the Linux kernel 5.3.11, mounting a crafted btrfs image twice can cause an rwsem_down_write_slowpath use-after-free because (in rwsem_can_spin_on_owner in kernel/locking/rwsem.c) rwsem_owner_flags returns an already freed pointer,
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2019-19318
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2019-19318.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 5.4.6-1 |
| debian | bullseye | fixed | 5.4.6-1 |
| debian | forky | fixed | 5.4.6-1 |
| debian | sid | fixed | 5.4.6-1 |
| debian | trixie | fixed | 5.4.6-1 |
References
Verify integrity in audit chain (admin only). AS-IS.