Description
The int3 handler in the Linux kernel before 3.3 relies on a per-CPU debug stack, which allows local users to cause a denial of service (stack corruption and panic) via a crafted application that triggers certain lock contention.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Foundation Linux kernel
before 3.3affected
References
- https://bugzilla.redhat.com/show_bug.cgi?id=794557 ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git/commit/?id=e5d4e1c3ccee18c68f23d62ba77bda26e893d4f0 ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-stable-rt.git/commit/?id=bcf6b1d78c0bde228929c388978ed3af9a623463 ↗