Description
Memory leak in drivers/net/xen-netback/netback.c in the Xen netback functionality in the Linux kernel before 3.7.8 allows guest OS users to cause a denial of service (memory consumption) by triggering certain error conditions.
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 | 3.2.39-1 | — |
| Debian 13 | linux | 3.2.39-1 | — |
| Debian 12 | linux | 3.2.39-1 | — |
References
- MDVSA-2013:176 vendor-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=910883
- http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=7d5145d8eb2b9791533ffe4dc003b129b9696c48
- http://www.kernel.org/pub/linux/kernel/v3.x/ChangeLog-3.7.8
- https://github.com/torvalds/linux/commit/7d5145d8eb2b9791533ffe4dc003b129b9696c48
- [oss-security] 20130205 Xen Security Advisory 39 (CVE-2013-0216,CVE-2013-0217) - Linux netback DoS via malicious guest ring. mailing-list