Description
The shmem_nopage function in shmem.c for the tmpfs driver in Linux kernel 2.6 does not properly verify the address argument, which allows local users to cause a denial of service (kernel crash) via an invalid address.
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 4 | kernel +6 | 2.6.9-5.0.5.EL | RHSA-2005:366 |
Advisories 1
- RHSA-2005:366 Red Hat Security Advisory: kernel security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- oval:org.mitre.oval:def:10400 vdb-entry signature
- http://linux.bkbits.net:8080/linux-2.6/cset%40420551fbRlv9-QG6Gw9Lw_bKVfPSsg
- RHSA-2005:366 vendor-advisory
- USN-103-1 vendor-advisory
- 12970 vdb-entry
- FLSA:157459-3 vendor-advisory
- http://lkml.org/lkml/2005/2/5/111