Description
A flaw was found in the Linux kernel's implementation of Userspace core dumps. This flaw allows an attacker with a local account to crash a trivial program and exfiltrate private kernel data.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux kernel kernel
introduced in commit 4206d3aa1978e44f58bfa4e1c9d8d35cbf19c187affected
References
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00022.html ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html ↗
- https://usn.ubuntu.com/4411-1/ ↗
- https://usn.ubuntu.com/4427-1/ ↗
- https://usn.ubuntu.com/4439-1/ ↗
- https://usn.ubuntu.com/4440-1/ ↗
- https://usn.ubuntu.com/4485-1/ ↗
- https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-10732 ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/?id=aca969cacf07f41070d788ce2b8ca71f09d5207d ↗
- https://github.com/ruscur/linux/commit/a95cdec9fa0c08e6eeb410d461c03af8fd1fef0a ↗
- https://github.com/google/kmsan/issues/76 ↗
- https://twitter.com/grsecurity/status/1252558055629299712 ↗
- https://lore.kernel.org/lkml/CAG_fn=VZZ7yUxtOGzuTLkr7wmfXWtKK9BHHYawj=rt9XWnCYvg%40mail.gmail.com/ ↗
- https://security.netapp.com/advisory/ntap-20210129-0005/ ↗