CVE-2021-22600
unknown
KEV
CVSS v3
—
CVSS v2
—
VIR risk
1.5
Description
Linux Kernel contains a flaw in the packet socket (AF_PACKET) implementation which could lead to incorrectly freeing memory. A local user could exploit this for denial-of-service (DoS) or possibly for privilege escalation.
CISA KEV
- Vendor
- Linux
- Product
- Kernel
- Due date
- 2022-05-02
Predictions
Exploit likelihood
99%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: cisa-kev — https://nvd.nist.gov/vuln/detail/CVE-2021-22600
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-22600
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2021-22600.html
Exploits
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 5.15.15-1 |
| debian | bullseye | fixed | 5.10.92-1 |
| debian | forky | fixed | 5.15.15-1 |
| debian | sid | fixed | 5.15.15-1 |
| debian | trixie | fixed | 5.15.15-1 |
References
Verify integrity in audit chain (admin only). AS-IS.