Description
OpenAFS before 1.6.7 delays the listen thread when an RXS_CheckResponse fails, which allows remote attackers to cause a denial of service (performance degradation) via an invalid packet.
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 | 1.6.7-1 | — |
| Debian 12 | openafs | 1.6.7-1 | — |
| Debian 7 | openafs | 1.6.1-3+deb7u2 | DSA-2899-1 |
| Debian 6.0 | openafs | 1.4.12.1+dfsg-4+squeeze3 | DSA-2899-1 |
Advisories 1
- DSA-2899-1 openafs - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://www.openafs.org/frameset/dl/openafs/1.6.7/ChangeLog
- DSA-2899 vendor-advisory