ISOMAN

CVE

CVE-2020-13974

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.

Severity
HIGH
CVSS
7.8
Published
Modified
NVD detailAll CVEs

Linked Releases

DistributionReleaseStatusEvidence
Ubuntu20.04.6 amd64 desktopunknownsource
Ubuntu20.04.6 amd64 live-serverunknownsource
Ubuntu18.04.6 amd64 desktopunknownsource
Ubuntu18.04.6 amd64 live-serverunknownsource

References

  1. http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
  2. http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
  3. https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=dad0bf9ce93fa40b667eccd3306783f4db4b932b
  4. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b86dab054059b970111b5516ae548efaae5b3aae
  5. https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
  6. https://lkml.org/lkml/2020/3/22/482
  7. https://usn.ubuntu.com/4427-1/
  8. https://usn.ubuntu.com/4439-1/
  9. https://usn.ubuntu.com/4440-1/
  10. https://usn.ubuntu.com/4483-1/
  11. https://usn.ubuntu.com/4485-1/
  12. https://www.oracle.com/security-alerts/cpujul2022.html
  13. http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00008.html
  14. http://lists.opensuse.org/opensuse-security-announce/2020-08/msg00009.html
  15. https://git.kernel.org/pub/scm/linux/kernel/git/tip/tip.git/commit/?id=dad0bf9ce93fa40b667eccd3306783f4db4b932b
  16. https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b86dab054059b970111b5516ae548efaae5b3aae
  17. https://lists.debian.org/debian-lts-announce/2020/08/msg00019.html
  18. https://lkml.org/lkml/2020/3/22/482
  19. https://usn.ubuntu.com/4427-1/
  20. https://usn.ubuntu.com/4439-1/