CVE-2024-43828ext4: fix infinite loop when replaying fast_commit
- 5.5MediumCVSS base score
- 0.24%Exploitation in 30 daysEPSS · top 85% 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: ext4: fix infinite loop when replaying fast_commit When doing fast_commit replay an infinite loop may occur due to an uninitialized extent_status struct. ext4_ext_determine_insert_hole() does not detect the replay and calls ext4_es_find_extent_range(), which will return immediately without initializing the 'es' variable. Because 'es' contains garbage, an integer overflow may happen causing an infinite loop in this function, easily reproducible using fstest generic/039. This commit fixes this issue by unconditionally initializing the structure in function ext4_es_find_extent_range(). Thanks to Zhang Yi, for figuring out the real problem!
Timeline
ID reserved
By Linux
Published
- 2 years later
· 2 years later
Record updated
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 · Modified | 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)
- 0.24% · top 85% of all CVEs (14 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.5.
Affected products
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < 5ed0496e383cb6de120e56991385dce70bbb87c1
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < 0619f7750f2b178a1309808832ab20d85e0ad121
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < 181e63cd595c688194e07332f9944b3a63193de2
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < c6e67df64783e99a657ef2b8c834ba2bf54c539c
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < 81f819c537d29932e4b9267f02411cbc8b355178
- affected 8016e29f4362e285f0f7e38fadc61a5b7bdfdfa2 – < 907c3fe532253a6ef4eb9c4d67efb71fab58c706
- affected 5.10
- unaffected < 5.10
- unaffected 5.10.224 – ≤ 5.10.*
- unaffected 5.15.165 – ≤ 5.15.*
- unaffected 6.1.103 – ≤ 6.1.*
- unaffected 6.6.44 – ≤ 6.6.*
- unaffected 6.10.3 – ≤ 6.10.*
- unaffected 6.11 – ≤ *
References
References9
- https://git.kernel.org/stable/c/5ed0496e383cb6de120e56991385dce70bbb87c1 (opens in a new tab)
- https://git.kernel.org/stable/c/0619f7750f2b178a1309808832ab20d85e0ad121 (opens in a new tab)
- https://git.kernel.org/stable/c/181e63cd595c688194e07332f9944b3a63193de2 (opens in a new tab)
- https://git.kernel.org/stable/c/c6e67df64783e99a657ef2b8c834ba2bf54c539c (opens in a new tab)
- https://git.kernel.org/stable/c/81f819c537d29932e4b9267f02411cbc8b355178 (opens in a new tab)
- https://git.kernel.org/stable/c/907c3fe532253a6ef4eb9c4d67efb71fab58c706 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2024/10/msg00003.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html (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-2024-40478 (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-2024-43828)Record last updated .