Use-After-Free in Linux Kernel (CVE-2022-2602)
Summary
Vulnerability in Linux Kernel (CVE-2022-2602). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
io_uring UAF, Unix SCM garbage collection
Source: NIST National Vulnerability Database NVD
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A weakness called CVE-2022-2602 was discovered in Linux Kernel.
In plain terms, it is a use-after-free flaw that often leads to attacker takeover.
Severity is Medium (CVSS 5.3/10). Exploitation requires specific conditions but can cause real harm if successful.
What you should do: update the affected software to the latest version. If unsure, ask your IT team or search the vendor's site for "Linux Kernel CVE-2022-2602".
CVE-2022-2602 (Linux Kernel). Severity: Medium / CVSSv3 5.3. Category: CWE-416.
Response plan:
- Check the vendor advisory for affected versions and the patched release.
- If a vulnerable version is running in production, schedule maintenance (urgency from KEV/CVSS).
- If no patch yet, mitigate via WAF rule, disabling the affected feature, etc.
- Monitor logs / SIEM for known IOC and PoC signatures of this CVE.
PoCs and fix commits: see the 'References' section, MITRE, and NVD.
A weakness (CVE-2022-2602) in Linux Kernel. In plain words, it is a use-after-free flaw that often leads to attacker takeover.
Target versions of Linux Kernel (see vendor advisory). If running in production, identify exposure immediately.
Severity: Medium (CVSS 5.3/10). Exploitation requires specific conditions but can cause real harm if successful.
Update to the patched release as listed in the vendor advisory. (Typical mitigation pattern for CWE-416)
If a patch is not yet available, consider disabling the affected feature, applying WAF rules, blocking via network ACLs, or isolating the vulnerable version.
Check version information, scan dependencies via SBOM, and monitor SIEM for IOC and PoC signatures related to this CVE.
Fix status by distribution
Fixed packages published by each distribution for this CVE
- Debian DEBIAN-CVE-2022-2602 linux Fixed in: 5.10.149-1
- Ubuntu UBUNTU-CVE-2022-2602 linux-hwe-edge
References
- advisory cve.mitre.org
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- advisory ubuntu.com
- web packetstormsecurity.com
- web cert-portal.siemens.com