Description
The Bluetooth RFCOMM implementation in the Linux kernel before 3.6 does not properly initialize certain structures, which allows local users to obtain sensitive information from kernel memory via a crafted application.
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 | 3.2.30-1 | — |
| Debian 13 | linux | 3.2.30-1 | — |
| Debian 12 | linux | 3.2.30-1 | — |
| Debian 6.0 | linux-2.6 | 2.6.32-48squeeze3 | DSA-2668-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | perf +16 | 2.6.32-431.el6 | RHSA-2013:1645 |
| RHEL 5 | kernel +12 | 2.6.18-348.12.1.el5 | RHSA-2013:1034 |
Advisories 3
- RHSA-2013:1645 Red Hat Security Advisory: Red Hat Enterprise Linux 6 kernel update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- DSA-2668-1 linux-2.6 - several Debian Security (DSA / DLA) · Mar 9, 2026
- RHSA-2013:1034 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Nov 22, 2025
References
- https://github.com/torvalds/linux/commit/9344a972961d1a6d2c04d9008b13617bcb6ec2ef
- USN-1805-1 vendor-advisory
- [oss-security] 20130305 CVE Requests (maybe): Linux kernel: various info leaks, some NULL ptr derefs mailing-list
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9344a972961d1a6d2c04d9008b13617bcb6ec2ef
- USN-1808-1 vendor-advisory
- RHSA-2013:1645 vendor-advisory
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=9ad2de43f1aee7e7274a4e0d41465489299e344b
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=f9432c5ec8b1e9a09b9b0e5569e3c73db8de432a
- https://github.com/torvalds/linux/commit/f9432c5ec8b1e9a09b9b0e5569e3c73db8de432a
- https://www.kernel.org/pub/linux/kernel/v3.x/patch-3.6.bz2
- https://github.com/torvalds/linux/commit/9ad2de43f1aee7e7274a4e0d41465489299e344b