Description
Interpretation conflict in drivers/md/dm-snap-persistent.c in the Linux kernel through 3.11.6 allows remote authenticated users to obtain sensitive information or modify data via a crafted mapping to a snapshot block device.
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 | 3.11.6-2 | — |
| Debian 13 | linux | 3.11.6-2 | — |
| Debian 12 | linux | 3.11.6-2 | — |
| 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 +15 | 2.6.32-358.23.2.el6 | RHSA-2013:1436 |
| RHEL 5 | kernel +12 | 2.6.18-348.21.1.el5 | RHSA-2013:1860, RHSA-2013:1449 |
Show 4 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6.3 EUS | perf +15 | 2.6.32-279.37.2.el6 | RHSA-2013:1783, RHSA-2013:1450 |
| RHEL 6.2 EUS | perf +15 | 2.6.32-220.45.1.el6 | RHSA-2013:1519 |
| Red Hat OpenStack 3 | perf +9 | 2.6.32-358.123.4.openstack.el6 | RHSA-2013:1520 |
| Red Hat MRG 2 | kernel-rt +11 | 3.8.13-rt14.25.el6rt | RHSA-2013:1490 |
Advisories 9
- RHSA-2013:1860 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2013:1783 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2013:1519 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2013:1520 Red Hat Security Advisory: kernel security, bug fix, and enhancement update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2013:1490 Red Hat Security Advisory: kernel-rt security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2013:1450 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2013:1449 Red Hat Security Advisory: kernel security and bug fix update Red Hat Security Advisories (RHSA) · Jun 28, 2026
- RHSA-2013:1436 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
References
- RHSA-2013:1436 vendor-advisory
- USN-2015-1 vendor-advisory
- RHSA-2013:1783 vendor-advisory
- https://github.com/torvalds/linux/commit/e9c6a182649f4259db704ae15a91ac820e63b0ca
- USN-2043-1 vendor-advisory
- RHSA-2013:1490 vendor-advisory
- SUSE-SU-2015:0652 vendor-advisory
- RHSA-2013:1519 vendor-advisory
- http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=e9c6a182649f4259db704ae15a91ac820e63b0ca
- USN-2040-1 vendor-advisory
- USN-2016-1 vendor-advisory
- RHSA-2013:1520 vendor-advisory
- USN-2044-1 vendor-advisory
- USN-2066-1 vendor-advisory
- RHSA-2013:1449 vendor-advisory
- RHSA-2013:1860 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1004233
- USN-2049-1 vendor-advisory
- USN-2045-1 vendor-advisory
- RHSA-2013:1460 vendor-advisory
- RHSA-2013:1450 vendor-advisory
- USN-2050-1 vendor-advisory
- USN-2042-1 vendor-advisory
- USN-2041-1 vendor-advisory
- USN-2067-1 vendor-advisory
- USN-2046-1 vendor-advisory
- SUSE-SU-2015:0812 vendor-advisory