Description
net/llc/sysctl_net_llc.c in the Linux kernel before 3.19 uses an incorrect data type in a sysctl table, which allows local users to obtain potentially sensitive information from kernel memory or possibly have unspecified other impact by accessing a sysctl entry.
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 | 3.16.7-ckt9-1 | — |
| Debian 13 | linux | 3.16.7-ckt9-1 | — |
| Debian 12 | linux | 3.16.7-ckt9-1 | — |
| Debian 8 | linux | 3.16.7-ckt9-3~deb8u1 | DSA-3237-1 |
| Debian 7 | linux | 3.2.68-1+deb7u1 | DSA-3237-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze12 | DLA-246-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | linux | 3.13.0-49.81 | USN-2563-1 |
| Ubuntu 14.04 LTS | linux-lts-utopic | 3.16.0-34.45~14.04.1 | USN-2564-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 | kernel-docs +1 | 3.12.43-52.6.2 | SUSE-SU-2015:1071-1 |
| SLES 12 | kernel-ec2 +4 | 3.12.43-52.6.1 | SUSE-SU-2015:1071-1 |
| SLES 11 SP3 | kernel-xen +4 | 3.0.101-0.63.TDC.1 | SUSE-SU-2015:1224-1 |
| SLES 11 SP2 | kernel-ec2 +6 | 3.0.101-0.7.37.1 | SUSE-SU-2015:1478-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 | kernel-xen +3 | 3.12.43-52.6.1 | SUSE-SU-2015:1071-1 |
| SLE Live Patching 12 | kgraft-patch-SLE12_Update_5 | 1-2.3 | SUSE-SU-2015:1071-1 |
Advisories 7
- USN-2563-1 linux vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-246-1 linux-2.6 - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3237-1 linux - security update Debian Security (DSA / DLA) · Mar 9, 2026
- USN-2564-1 linux-lts-utopic vulnerabilities Ubuntu Security Notices (USN) · Feb 10, 2026
- SUSE-SU-2015:1478-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1071-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2015:1224-1 Security update for the Linux Kernel SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://github.com/torvalds/linux/commit/6b8d9117ccb4f81b1244aafa7bc70ef8fa45fc49
- 72729 vdb-entry
- USN-2562-1 vendor-advisory
- USN-2565-1 vendor-advisory
- USN-2561-1 vendor-advisory
- USN-2564-1 vendor-advisory
- USN-2563-1 vendor-advisory
- DSA-3237 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1195350
- openSUSE-SU-2015:1382 vendor-advisory
- USN-2560-1 vendor-advisory
- SUSE-SU-2015:1478 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=6b8d9117ccb4f81b1244aafa7bc70ef8fa45fc49
- [oss-security] 20150220 CVE-2015-2041 - Linux kernel - incorrect data type in llc2_timeout_table mailing-list
- SUSE-SU-2015:1224 vendor-advisory
- SUSE-SU-2015:0812 vendor-advisory