Vulnerability details
CVE-2023-54285
Linux Linux
iomap: Fix possible overflow condition in iomap_write_delalloc_scan
CVSS 3.1
7.1High
Official description
In the Linux kernel, the following vulnerability has been resolved: iomap: Fix possible overflow condition in iomap_write_delalloc_scan folio_next_index() returns an unsigned long value which left shifted by PAGE_SHIFT could possibly cause an overflow on 32-bit system. Instead use folio_pos(folio) + folio_size(folio), which does this correctly.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 7.1High | 3.1 | CVEProject cvelistV5 (CNA) (Linux) | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Linux | Linux | 6.2 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 38be53c3fd7f4f4bd5de319a323d72f9f6beb16d ≤ v < 0c6cf409093f307ee05114f834516730c0da5b21 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | 6.1.92 ≤ v < 6.1.162 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | f43dc4dc3eff028b5ddddd99f3a66c5a6bdd4e78 ≤ v < 5c281b0c5d18c8eeb1cfd5023f4adb153e6d1240 | CVEProject cvelistV5 (CNA) |
| Linux | Linux | f43dc4dc3eff028b5ddddd99f3a66c5a6bdd4e78 ≤ v < eee2d2e6ea5550118170dbd5bb1316ceb38455fb | CVEProject cvelistV5 (CNA) |
References and advisories
3
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Details
- Published
- 2025-12-30
- Last updated
- 2026-10-16
- State
- Published
- Assigner (CNA)
- Linux
Exploit prediction (EPSS)
0.17%
Probability of exploitation in 30 days
7.5%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Partial
Weaknesses (CWE)
- —