MEDIUM
CVE-2022-2318
CWE-416Published: July 6, 2022· Updated: Jun 17, 2026
5.5
CVSS v3.1
Official Description
There are use-after-free vulnerabilities caused by timer handler in net/rose/rose_timer.c of linux that allow attackers to crash linux kernel without any privileges.
Technical Analysis
CVE-2022-2318 requires local access, meaning attackers must already have a foothold on the target system.
Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.
A successful exploit results in availability disruption (denial of service), with a CVSS base score of 5.5.
From a weakness classification perspective (CWE-416): Use-after-free vulnerabilities involve accessing memory after it has been freed, often enabling arbitrary code execution.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Vendors & Products
Exploit & PoC Resources
NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.
Official Patches & Advisories
All References (8)
→
https://github.com/torvalds/linux/commit/9cc02ede696272c5271a401e4f27c262359bc2f6Patch · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing List · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20230120-0001/Third Party Advisory
→
https://www.debian.org/security/2022/dsa-5191Third Party Advisory
→
https://github.com/torvalds/linux/commit/9cc02ede696272c5271a401e4f27c262359bc2f6Patch · Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2022/10/msg00000.htmlMailing List · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20230120-0001/Third Party Advisory
→
https://www.debian.org/security/2022/dsa-5191Third Party Advisory
Quick Facts
CVE IDCVE-2022-2318
CVSS Score5.5 / 10
SeverityMEDIUM
WeaknessCWE-416
CISA KEVNo
Affected3 vendor(s)
PublishedJul 6, 2022
Related CVEs (CWE-416)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2022-2318 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWatch. CVE data is provided under the NVD usage policy.