CVE-2025-68786
CVE.org · Published
- Record status
- Published
- Identifier year (not publication year)
- 2025
- Source publication
- Source updated
- Imported by cveboard
- Source snapshot
- cve_2026-10-24_midnight_baseline ·
CNA source text (English)
ksmbd: skip lock-range check on equal size to avoid size==0 underflow
In the Linux kernel, the following vulnerability has been resolved: ksmbd: skip lock-range check on equal size to avoid size==0 underflow When size equals the current i_size (including 0), the code used to call check_lock_range(filp, i_size, size - 1, WRITE), which computes `size - 1` and can underflow for size==0. Skip the equal case.
Scoped product and version facts
Fix information unknown; no fixed version is derived here. Missing information does not prove that no fix exists.
Exploitation unknown; this catalogue does not assess exploitation.
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
unaffected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| f44158485826c076335d6860d35872271a83791d | affected | git | 52fcbb92e0d3acfd1448b2a43b6595d540da5295 | Unavailable | None listed |
| f44158485826c076335d6860d35872271a83791d | affected | git | da29cd197246c85c0473259f1cad897d9d28faea | Unavailable | None listed |
| f44158485826c076335d6860d35872271a83791d | affected | git | a6f4cfa3783804336491e0edcb250c25f9b59d33 | Unavailable | None listed |
| f44158485826c076335d6860d35872271a83791d | affected | git | 571204e4758a528fbd67330bd4b0dfbdafb33dd8 | Unavailable | None listed |
| f44158485826c076335d6860d35872271a83791d | affected | git | 5d510ac31626ed157d2182149559430350cf2104 | Unavailable | None listed |
Linux
- Vendor
- Linux
- Product
- Linux
- Platforms
- Unknown
- Default status
affected
| Version (version) | Status (status) | Version scheme (versionType) | Exclusive end (lessThan) | Inclusive end (lessThanOrEqual) | Status changes (at → status) |
|---|---|---|---|---|---|
| 5.15 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.15 | Unavailable | None listed |
| 6.1.160 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.120 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.64 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.18.3 | unaffected | semver | Unavailable | 6.18.* | None listed |
| 6.19 | unaffected | original_commit_for_fix | Unavailable | * | None listed |