Description
The wanxl_ioctl function in drivers/net/wan/wanxl.c in the Linux kernel before 3.11.7 does not properly initialize a certain data structure, which allows local users to obtain sensitive information from kernel memory via an ioctl call.
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 | 3.12.6-1 | — |
| Debian 13 | linux | 3.12.6-1 | — |
| Debian 12 | linux | 3.12.6-1 | — |
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze5 | DSA-2906-1 |
Advisories 1
- DSA-2906-1 linux-2.6 - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- USN-2129-1 vendor-advisory
- USN-2128-1 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.11.7
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=2b13d06c9584b4eb773f1e80bbaedab9a1c344e1
- https://bugzilla.redhat.com/show_bug.cgi?id=1053613
- linux-kernel-cve20141445-info-disc(90444) vdb-entry
- [oss-security] 20140115 Re: CVE request: assorted kernel infoleak security fixes mailing-list
- https://github.com/torvalds/linux/commit/2b13d06c9584b4eb773f1e80bbaedab9a1c344e1
- 64953 vdb-entry