VDB
DEBIAN-CVE-2025-68797
DEBIAN-CVE-2025-68797
PUBLISHED
In the Linux kernel, the following vulnerability has been resolved: char: applicom: fix NULL pointer dereference in ac_ioctl Discovered by Atuin - Automated Vulnerability Discovery Engine. In ac_ioctl, the validation of IndexCard and the check for a valid RamIO pointer are skipped when cmd is 6. However, the function unconditionally executes readb(apbs[IndexCard].RamIO + VERS) at the end. If cmd is 6, IndexCard may reference a board that does not exist (where RamIO is NULL), leading to a NULL pointer dereference. Fix this by skipping the readb access when cmd is 6, as this command is a global information query and does not target a specific board context.
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Debian:14 | linux | 0, 6.12.38-1, 6.12.41-1 |
| Debian:13 | linux | 6.12.43-1~bpo12+1, 0, 6.12.41-1 |
| Debian:11 | linux | 5.10.113-1, 5.10.120-1, 5.10.120-1~bpo10+1 |
| Debian:11 | linux-6.1 | 6.1.106-3~deb11u3, 6.1.148-1~deb11u1, 6.1.153-1~deb11u1 |
| Debian:12 | linux | 6.1.90-1, 6.1.85-1, 6.1.82-1 |
Exploit Intelligence
- 4081.3.7.yml (github-poc)
Timeline
- Jan 13, 2026 CVE Published
- Apr 28, 2026 CVE Updated