Description
An issue was discovered in the Linux kernel 4.4 through 5.7.1. drivers/tty/vt/keyboard.c has an integer overflow if k_ascii is called several times in a row, aka CID-b86dab054059. NOTE: Members in the community argue that the integer overflow does not lead to a security issue in this case.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
n/a n/a
n/aaffected
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html ↗
- https://usn.ubuntu.com/4427-1/ ↗
- https://usn.ubuntu.com/4439-1/ ↗
- https://usn.ubuntu.com/4440-1/ ↗
- http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html ↗
- https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html ↗
- https://usn.ubuntu.com/4483-1/ ↗
- https://usn.ubuntu.com/4485-1/ ↗
- https://www.oracle.com/security-alerts/cpujul2022.html ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b86dab054059b970111b5516ae548efaae5b3aae ↗
- https://lkml.org/lkml/2020/3/22/482 ↗
- https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=dad0bf9ce93fa40b667eccd3306783f4db4b932b ↗