Description
The yam_ioctl function in drivers/net/hamradio/yam.c in the Linux kernel before 3.12.8 does not initialize a certain structure member, which allows local users to obtain sensitive information from kernel memory by leveraging the CAP_NET_ADMIN capability for an SIOCYAMGCFG 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 | 3.12.8-1 | — |
| Debian 13 | linux | 3.12.8-1 | — |
| Debian 12 | linux | 3.12.8-1 | — |
| 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-2135-1 vendor-advisory
- USN-2138-1 vendor-advisory
- USN-2113-1 vendor-advisory
- USN-2141-1 vendor-advisory
- USN-2129-1 vendor-advisory
- USN-2136-1 vendor-advisory
- USN-2128-1 vendor-advisory
- 64954 vdb-entry
- USN-2139-1 vendor-advisory
- FEDORA-2014-1062 vendor-advisory
- USN-2134-1 vendor-advisory
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.12.8
- MDVSA-2014:038 vendor-advisory
- USN-2117-1 vendor-advisory
- USN-2133-1 vendor-advisory
- linux-kernel-cve20141446-info-disc(90445) vdb-entry
- FEDORA-2014-1072 vendor-advisory
- [oss-security] 20140115 Re: CVE request: assorted kernel infoleak security fixes mailing-list
- https://github.com/torvalds/linux/commit/8e3fbf870481eb53b2d3a322d1fc395ad8b367ed
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=8e3fbf870481eb53b2d3a322d1fc395ad8b367ed
- https://bugzilla.redhat.com/show_bug.cgi?id=1053620