Description
Raw character devices (raw.c) in the Linux kernel 2.6.x call the wrong function before passing an ioctl to the block device, which crosses security boundaries by making kernel address space accessible from user space, a similar vulnerability to CVE-2005-1589.
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 | 2.6.9-11.EL | RHSA-2005:420 |
Advisories 1
- RHSA-2005:420 Red Hat Security Advisory: Updated kernel packages available for Red Hat Enterprise Linux 4 Update 1 Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- http://kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.11.10
- oval:org.mitre.oval:def:10264 vdb-entry signature
- ADV-2005-0557 vdb-entry
- 20050516 Linux kernel pktcdvd and rawdevice ioctl break user space limit vulnerability mailing-list
- 13651 vdb-entry
- 20050517 Re: Linux kernel pktcdvd and rawdevice ioctl break user space limit vulnerability mailing-list
- RHSA-2005:420 vendor-advisory
- FLSA:157459-3 vendor-advisory
- [linux-kernel] 20050517 [PATCH] Fix root hole in raw device mailing-list