VDB
CVE-2020-13974
CVE-2020-13974
PUBLISHED
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.
EPSS 0.09% · 26.3th percentile
Risk Scores
EPSS Score
0.09%
26.3th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:20.04:LTS | linux-azure-fde-5.15 | 5.15.0-1073.82~20.04.1.1, *, 5.15.0-1052.60~20.04.1.1 |
| Ubuntu:20.04:LTS | linux-oracle | 5.4.0-1008.8, 5.3.0-1007.8, 5.3.0-1002.2 |
| Ubuntu:18.04:LTS | linux-hwe-5.4 | *, 5.4.0-37.41~18.04.1, 5.4.0-40.44~18.04.1 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-azure-fips | 0, 4.15.0-1002.2, 4.15.0-2006.7 |
| Ubuntu:Pro:14.04:LTS | linux | 3.13.0-8.28, 3.13.0-8.27, 3.13.0-7.26 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-azure-fips | 0, 5.4.0-1022.22+fips1 |
| Ubuntu:16.04:LTS | linux-azure | 4.11.0-1016.16, 4.15.0-1055.60, * |
| Ubuntu:22.04:LTS | linux-realtime | 0, 5.15.0-1032.35 |
| Ubuntu:18.04:LTS | linux-aws-5.4 | 5.4.0-1018.18~18.04.1, 5.4.0-1020.20~18.04.2, 0 |
| Ubuntu:18.04:LTS | linux-raspi2-5.3 | 5.3.0-1028.30~18.04.2, 5.3.0-1027.29~18.04.1, 5.3.0-1026.28~18.04.1 |
| Ubuntu:18.04:LTS | linux-gcp | 4.15.0-1010.10, 4.15.0-1028.29, 5.0.0-1033.34 |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-azure-fips | *, 0 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-aws-fips | 4.15.0-2000.4, 4.15.0-2018.18, 4.15.0-2021.21 |
| Ubuntu:16.04:LTS | linux-raspi2 | 4.4.0-1010.12, 4.4.0-1012.16, 4.4.0-1016.22 |
| Ubuntu:18.04:LTS | linux-raspi-5.4 | 0, 5.4.0-1015.15~18.04.1, 5.4.0-1013.13~18.04.1 |
| Ubuntu:18.04:LTS | linux-azure-4.15 | 4.15.0-1082.92, 4.15.0-1089.99, 0 |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.8.0-34.36~16.04.1, 0, 4.8.0-28.30~16.04.1 |
| Ubuntu:20.04:LTS | linux-riscv | 5.4.0-28.32, 5.4.0-26.30, 5.4.0-30.34 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-gcp-fips | 0, * |
| Ubuntu:18.04:LTS | linux-aws-5.0 | 5.0.0-1023.26~18.04.1, 5.0.0-1025.28, 5.0.0-1027.30 |
…and 57 more
Exploit Intelligence
- https://lkml.org/lkml/2020/3/22/482 (nist-nvd)
Timeline
- Jun 9, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-13974 third-party-advisory
- https://git.kernel.org/linus/b86dab054059b970111b5516ae548efaae5b3aae third-party-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b86dab054059b970111b5516ae548efaae5b3aae third-party-advisory
- https://lkml.org/lkml/2020/3/22/482 third-party-advisory
- https://lore.kernel.org/lkml/CAEAjams79+V8bxpcp3UAsU1AnJ+gx2y+ZqhDhjJCpZn2oeZA4Q@mail.gmail.com/ third-party-advisory
- https://ubuntu.com/security/notices/USN-4427-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4439-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4440-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4483-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4485-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-13974 third-party-advisory