CVE-2021-22600
Severity not reported CISA KEVData quality: kev only.
This record comes from the CISA KEV catalog only; NVD details have not been synced yet.
Linux Kernel Privilege Escalation Vulnerability
Vendor / product: Linux — Kernel
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.
CVSS
—
Not reported by the source
Timeline (UTC)
Published: not reported
Modified: not reported
NVD status: not reported
Last synced 2 days ago
Verified against the source API 2026-10-27 06:50 UTC
Exploitation
Listed in CISA KEV
Added 2022-04-11 · due 2022-05-02
Known ransomware use: Unknown
Required action (CISA)
Apply updates per vendor instructions.
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- No references reported.
Data sources
CISA KEV — fetched 2026-10-27 06:50 UTC · record ↗