Description
The cache manager in the client in OpenAFS 1.0 through 1.4.8 and 1.5.0 through 1.5.58, and IBM AFS 3.6 before Patch 19, on Linux allows remote attackers to cause a denial of service (system crash) via an RX response with a large error-code value that is interpreted as a pointer and dereferenced, related to use of the ERR_PTR macro.
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 | 1.4.10+dfsg1-1 | — |
| Debian 12 | openafs | 1.4.10+dfsg1-1 | — |
| Debian 5.0 | openafs | 1.4.7.dfsg1-6+lenny1 | DSA-1768-1 |
| Debian 4.0 | openafs | 1.4.2-6etch2 | DSA-1768-1 |
Advisories 1
- DSA-1768-1 openafs - potential code execution Debian Security (DSA / DLA) · Mar 9, 2026
References
- ADV-2011-0117 vdb-entry
- http://www.openafs.org/security/openafs-sa-2009-002.patch
- http://www.openafs.org/security/OPENAFS-SA-2009-002.txt
- ADV-2009-0984 vdb-entry
- MDVSA-2009:099 vendor-advisory
- 34404 vdb-entry
- 36310 third-party-advisory
- 34655 third-party-advisory
- DSA-1768 vendor-advisory
- ID71123 vendor-advisory
- http://www-01.ibm.com/support/docview.wss?uid=swg21396389
- GLSA-201101-05 vendor-advisory
- 34684 third-party-advisory
- 42896 third-party-advisory