CVE-2021-47470
unknown
CVSS v3
—
CVSS v2
—
VIR risk
—
Description
In the Linux kernel, the following vulnerability has been resolved: mm, slub: fix potential use-after-free in slab_debugfs_fops When sysfs_slab_add failed, we shouldn't call debugfs_slab_add() for s because s will be freed soon. And slab_debugfs_fops will use s later leading to a use-after-free.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-47470
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-47470.html
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 5.14.16-1 |
| debian | bullseye | fixed | 0 |
| debian | forky | fixed | 5.14.16-1 |
| debian | sid | fixed | 5.14.16-1 |
| debian | trixie | fixed | 5.14.16-1 |
References
Verify integrity in audit chain (admin only). AS-IS.