Description
The lbs_debugfs_write function in drivers/net/wireless/libertas/debugfs.c in the Linux kernel through 3.12.1 allows local users to cause a denial of service (OOPS) by leveraging root privileges for a zero-length write operation.
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 14 | linux | 3.11.10-1 | — |
| Debian 13 | linux | 3.11.10-1 | — |
| Debian 12 | linux | 3.11.10-1 | — |
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze5 | DSA-2906-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +16 | 2.6.32-431.20.3.el6 | RHSA-2014:0771 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat MRG 2 | kernel-rt +10 | 3.8.13-rt27.33.el6rt | RHSA-2014:0100 |
Advisories 3
- RHSA-2014:0771 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2906-1 linux-2.6 - several Debian Security (DSA / DLA) · Mar 9, 2026
- RHSA-2014:0100 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jan 14, 2026
References
- openSUSE-SU-2014:0247 vendor-advisory
- USN-2065-1 vendor-advisory
- https://github.com/torvalds/linux/commit/a497e47d4aec37aaf8f13509f3ef3d1f6a717d88
- [oss-security] 20131122 Linux kernel CVE fixes mailing-list
- USN-2115-1 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=a497e47d4aec37aaf8f13509f3ef3d1f6a717d88
- 59262 third-party-advisory
- USN-2116-1 vendor-advisory
- USN-2114-1 vendor-advisory
- 59309 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1033578
- 59406 third-party-advisory
- USN-2070-1 vendor-advisory
- http://linux.oracle.com/errata/ELSA-2014-0771.html
- USN-2112-1 vendor-advisory
- USN-2066-1 vendor-advisory
- USN-2111-1 vendor-advisory
- openSUSE-SU-2014:0204 vendor-advisory
- RHSA-2014:0100 vendor-advisory
- USN-2075-1 vendor-advisory
- http://linux.oracle.com/errata/ELSA-2014-3043.html
- USN-2067-1 vendor-advisory
- USN-2064-1 vendor-advisory
- 63886 vdb-entry