Vulnerability · CVE-2023-2898
There is a null-pointer-dereference flaw found in f2fs_write_end_io in fs/f2fs/data.c in the Linux kernel.
Published May 26, 2023 · catalog updated Oct 14, 2026 · linux kernel
Check if you run it
No confirmed exploitation is on record for CVE-2023-2898. EPSS is 0.19%. Act only if a listed version of linux kernel is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium4.7
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.19%
- Remediation
- Advisory link
- Affected products
- cpe debian/debian linux · cpe linux/linux kernel · cpe netapp/h300s firmware · cpe netapp/h410c firmware · cpe netapp/h410s firmware · cpe netapp/h500s firmware
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe debian/debian linux10.0
- cpe debian/debian linux11.0
- cpe debian/debian linux12.0
- cpe linux/linux kernelversion unspecified
- cpe netapp/h300s firmwareversion unspecified
- cpe netapp/h410c firmwareversion unspecified
- cpe netapp/h410s firmwareversion unspecified
- cpe netapp/h500s firmwareversion unspecified
- cpe netapp/h700s firmwareversion unspecified
How to fix CVE-2023-2898
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2023-2898. EPSS is 0.19%. Act only if a listed version of linux kernel is installed.
Which versions are affected?
Compare what you have installed with debian/debian linux 10.0; debian/debian linux 11.0; debian/debian linux 12.0. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-362: Race Condition; CWE-476: NULL Pointer Dereference. EPSS 0.19%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
May 26, 2023 · NIST NVD
Detected
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.
Oct 14, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2023-2898
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2023-2898
30-day exploitation probability 0.2%
first.org - NIST NVDVulnerability recordCVE-2023-2898
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.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.