Description
The pioctl for the OSD FS command in OpenAFS before 1.6.13 uses the wrong pointer when writing the results of the RPC, which allows local users to cause a denial of service (memory corruption and kernel panic) via a crafted OSD FS command.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 13 | openafs | 1.6.13-1 | — |
| Debian 12 | openafs | 1.6.13-1 | — |
| Debian 8 | openafs | 1.6.9-2+deb8u3 | DSA-3320-1 |
| Debian 7 | openafs | 1.6.1-3+deb7u3 | DSA-3320-1 |
| Debian 6.0 | openafs | 1.4.12.1+dfsg-4+squeeze4 | DLA-342-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | openafs | 1.6.7-1ubuntu1.1 | — |
Advisories 2
- DLA-342-1 openafs - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3320-1 openafs - security update Debian Security (DSA / DLA) · Mar 9, 2026