CVE-2026-45864fs/ntfs3: prevent infinite loops caused by the next valid being the same
- 5.5MediumCVSS base score
- 0.16%Exploitation in 30 daysEPSS · top 95% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: prevent infinite loops caused by the next valid being the same When processing valid within the range [valid : pos), if valid cannot be retrieved correctly, for example, if the retrieved valid value is always the same, this can trigger a potential infinite loop, similar to the hung problem reported by syzbot [1]. Adding a check for the valid value within the loop body, and terminating the loop and returning -EINVAL if the value is the same as the current value, can prevent this. [1] INFO: task syz.4.21:6056 blocked for more than 143 seconds. Call Trace: rwbase_write_lock+0x14f/0x750 kernel/locking/rwbase_rt.c:244 inode_lock include/linux/fs.h:1027 [inline] ntfs_file_write_iter+0xe6/0x870 fs/ntfs3/file.c:1284
Timeline
ID reserved
By Linux
- 14 days later
· 14 days later
Published
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Analyzed | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.16% · top 95% of all CVEs (13 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 4342306f0f0d5ff4315a204d315c1b51b914fca5 – < 50c822fcb36768f1fb356f05b02a2248ef81936d
- affected 4342306f0f0d5ff4315a204d315c1b51b914fca5 – < 6d93239b4fc479f7c0a412dd196ec0ca2672d14a
- affected 4342306f0f0d5ff4315a204d315c1b51b914fca5 – < 71c8b966ec56e13c02388c1312910588bb49be7a
- affected 4342306f0f0d5ff4315a204d315c1b51b914fca5 – < b97e371e5d1c13d722335d46eb8bc1a22b272a0e
- affected 4342306f0f0d5ff4315a204d315c1b51b914fca5 – < 4bf3bafb8e0635ed93e3cd4156dcbcc0fb960cb4
- affected 4342306f0f0d5ff4315a204d315c1b51b914fca5 – < a47a2bb9aa6455d5cee1045814a60c749309c92b
- affected 4342306f0f0d5ff4315a204d315c1b51b914fca5 – < 27b75ca4e51e3e4554dc85dbf1a0246c66106fd3
- affected 5.15
- unaffected < 5.15
- unaffected 5.15.202 – ≤ 5.15.*
- unaffected 6.1.165 – ≤ 6.1.*
- unaffected 6.6.128 – ≤ 6.6.*
- unaffected 6.12.75 – ≤ 6.12.*
- unaffected 6.18.14 – ≤ 6.18.*
- unaffected 6.19.4 – ≤ 6.19.*
- unaffected 7.0 – ≤ *
References
References7
- https://git.kernel.org/stable/c/50c822fcb36768f1fb356f05b02a2248ef81936d (opens in a new tab)
- https://git.kernel.org/stable/c/6d93239b4fc479f7c0a412dd196ec0ca2672d14a (opens in a new tab)
- https://git.kernel.org/stable/c/71c8b966ec56e13c02388c1312910588bb49be7a (opens in a new tab)
- https://git.kernel.org/stable/c/b97e371e5d1c13d722335d46eb8bc1a22b272a0e (opens in a new tab)
- https://git.kernel.org/stable/c/4bf3bafb8e0635ed93e3cd4156dcbcc0fb960cb4 (opens in a new tab)
- https://git.kernel.org/stable/c/a47a2bb9aa6455d5cee1045814a60c749309c92b (opens in a new tab)
- https://git.kernel.org/stable/c/27b75ca4e51e3e4554dc85dbf1a0246c66106fd3 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-32330 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-45864)Record last updated .