VDB
DEBIAN-CVE-2025-21994
DEBIAN-CVE-2025-21994
PUBLISHED
CVSS 5.5 MEDIUM
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.
Risk Scores
CVSS 3.1
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | linux | 0, 0 |
| Debian:12 | linux | 0, 6.1.106-1, 6.1.106-3 |
| Debian:13 | linux | 0, 0 |
| Debian:11 | linux-6.1 | 6.1.106-3~deb11u1, 6.1.106-3~deb11u2, 6.1.106-3~deb11u3 |
Exploit Intelligence
- 4081.3.3.yml (github-poc)
Timeline
- Apr 2, 2025 CVE Published
- Apr 28, 2026 CVE Updated