CVE-2025-21963
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)
cifs: Fix integer overflow while processing acdirmax mount option
In the Linux kernel, the following vulnerability has been resolved: cifs: Fix integer overflow while processing acdirmax mount option User-provided mount parameter acdirmax of type u32 is intended to have an upper limit, but before it is validated, the value is converted from seconds to jiffies which can lead to an integer overflow. Found by Linux Verification Center (linuxtesting.org) with SVACE.
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) |
|---|---|---|---|---|---|
| 4c9f948142a550af416a2bfb5e56d29ce29e92cf | affected | git | 0c26edf477e093cefc41637f5bccc102e1a77399 | Unavailable | None listed |
| 4c9f948142a550af416a2bfb5e56d29ce29e92cf | affected | git | 39d086bb3558da9640ef335f97453e01d32578a1 | Unavailable | None listed |
| 4c9f948142a550af416a2bfb5e56d29ce29e92cf | affected | git | 9e438d0410a4002d24f420f2c28897ba2dc0af64 | Unavailable | None listed |
| 4c9f948142a550af416a2bfb5e56d29ce29e92cf | affected | git | 2809a79bc64964ce02e0c5f2d6bd39b9d09bdb3c | Unavailable | None listed |
| 4c9f948142a550af416a2bfb5e56d29ce29e92cf | affected | git | 6124cbf73e3dea7591857dd63b8ccece28952afd | Unavailable | None listed |
| 4c9f948142a550af416a2bfb5e56d29ce29e92cf | affected | git | 5b29891f91dfb8758baf1e2217bef4b16b2b165b | 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) |
|---|---|---|---|---|---|
| 5.12 | affected | Unavailable | Unavailable | Unavailable | None listed |
| 0 | unaffected | semver | 5.12 | Unavailable | None listed |
| 5.15.180 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.132 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.84 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.20 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.13.8 | unaffected | semver | Unavailable | 6.13.* | None listed |
| 6.14 | unaffected | original_commit_for_fix | Unavailable | * | None listed |