Description
In the Linux kernel before 2.6.20, there is an off-by-one bug in net/netlabel/netlabel_cipso_v4.c where it is possible to overflow the doi_def->tags[] array.
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | linux +3 | No fix yet | — |
References
- https://github.com/torvalds/linux/commit/2a2f11c227bdf292b3a2900ad04139d301b56ac4
- https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=2a2f11c227bdf292b3a2900ad04139d301b56ac4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v2.6/ChangeLog-2.6.20
- https://support.f5.com/csp/article/K05342145
- https://support.f5.com/csp/article/K05342145?utm_source=f5support&%3Butm_medium=RSS