MEDIUM
CVE-2023-2898
CWE-476Published: May 26, 2023· Updated: Jun 17, 2026
4.7
CVSS v3.1
Official Description
There is a null-pointer-dereference flaw found in f2fs_write_end_io in fs/f2fs/data.c in the Linux kernel. This flaw allows a local privileged user to cause a denial of service problem.
Technical Analysis
CVE-2023-2898 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 4.7.
CVSS v3.1 Vector Breakdown
Exploitability
Attack VectorLocal
Attack ComplexityHigh
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityNone
IntegrityNone
AvailabilityHigh
CVSS:3.1/AV:L/AC:H/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 (10)
→
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing List · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20230929-0002/Third Party Advisory
→
https://www.debian.org/security/2023/dsa-5480Third Party Advisory
→
https://www.debian.org/security/2023/dsa-5492Third Party Advisory
→
https://lists.debian.org/debian-lts-announce/2023/10/msg00027.htmlMailing List · Third Party Advisory
→
https://security.netapp.com/advisory/ntap-20230929-0002/Third Party Advisory
→
https://www.debian.org/security/2023/dsa-5480Third Party Advisory
→
https://www.debian.org/security/2023/dsa-5492Third Party Advisory
Quick Facts
CVE IDCVE-2023-2898
CVSS Score4.7 / 10
SeverityMEDIUM
WeaknessCWE-476
CISA KEVNo
Affected3 vendor(s)
PublishedMay 26, 2023
Related CVEs (CWE-476)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2023-2898 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.