CVE-2025-21994
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: fix incorrect validation for num_aces field of smb_acl
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix incorrect validation for num_aces field of smb_acl parse_dcal() validate num_aces to allocate posix_ace_state_array. if (num_aces > ULONG_MAX / sizeof(struct smb_ace *)) It is an incorrect validation that we can create an array of size ULONG_MAX. smb_acl has ->size field to calculate actual number of aces in request buffer size. Use this to check invalid num_aces.
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) |
|---|---|---|---|---|---|
| 0626e6641f6b467447c81dd7678a69c66f7746cf | affected | git | c3a3484d9d31b27a3db0fab91fcf191132d65236 | Unavailable | None listed |
| 0626e6641f6b467447c81dd7678a69c66f7746cf | affected | git | 9c4e202abff45f8eac17989e549fc7a75095f675 | Unavailable | None listed |
| 0626e6641f6b467447c81dd7678a69c66f7746cf | affected | git | d0f87370622a853b57e851f7d5a5452b72300f19 | Unavailable | None listed |
| 0626e6641f6b467447c81dd7678a69c66f7746cf | affected | git | a4cb17797a5d241f1e509cb5b46ed95a80c2f5fd | Unavailable | None listed |
| 0626e6641f6b467447c81dd7678a69c66f7746cf | affected | git | f6a6721802ac2f12f4c1bbe839a4c229b61866f2 | Unavailable | None listed |
| 0626e6641f6b467447c81dd7678a69c66f7746cf | affected | git | 1b8b67f3c5e5169535e26efedd3e422172e2db64 | 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 |
| 5.15.180 | unaffected | semver | Unavailable | 5.15.* | None listed |
| 6.1.132 | unaffected | semver | Unavailable | 6.1.* | None listed |
| 6.6.85 | unaffected | semver | Unavailable | 6.6.* | None listed |
| 6.12.21 | unaffected | semver | Unavailable | 6.12.* | None listed |
| 6.13.9 | unaffected | semver | Unavailable | 6.13.* | None listed |
| 6.14 | unaffected | original_commit_for_fix | Unavailable | * | None listed |