Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 6.1.92, < 6.1.162 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/0c6cf409093f307ee05114f834516730c0da5b21Patch
- https://git.kernel.org/stable/c/5c281b0c5d18c8eeb1cfd5023f4adb153e6d1240Patch
- https://git.kernel.org/stable/c/eee2d2e6ea5550118170dbd5bb1316ceb38455fbPatch
FAQ
What is CVE-2023-54285?
CVE-2023-54285 is a vulnerability with a CVSS score of 7.8 (HIGH). 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 s...
How severe is CVE-2023-54285?
CVE-2023-54285 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2023-54285?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.