VDB
CVE-2020-15437
CVE-2020-15437
PUBLISHED
The Linux kernel before version 5.8 is vulnerable to a NULL pointer dereference in drivers/tty/serial/8250/8250_core.c:serial8250_isa_init_ports() that allows local users to cause a denial of service by using the p->serial_in pointer which uninitialized.
EPSS 0.04% · 13.6th percentile
Risk Scores
EPSS Score
0.04%
13.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-azure-fips | *, 0 |
| Ubuntu:16.04:LTS | linux-aws-hwe | 4.15.0-1036.38~16.04.1, 4.15.0-1032.34~16.04.1, 4.15.0-1031.33~16.04.1 |
| Ubuntu:16.04:LTS | linux-snapdragon | 4.4.0-1079.84, 4.4.0-1127.135, 4.4.0-1128.136 |
| Ubuntu:Pro:14.04:LTS | linux-aws | 4.4.0-1034.37, 0, 4.4.0-1003.3 |
| Ubuntu:16.04:LTS | linux-oracle | 4.15.0-1007.9~16.04.1, 4.15.0-1033.36~16.04.1, 4.15.0-1031.34~16.04.1 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-azure-fips | 4.15.0-1002.2, 0 |
| Ubuntu:20.04:LTS | linux-gcp | 5.3.0-1009.10, 5.3.0-1011.12, 5.4.0-1005.5 |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.15.0-13.14~16.04.1, 0, 4.8.0-28.30~16.04.1 |
| Ubuntu:Pro:20.04:LTS | linux-azure-fde-5.15 | 5.15.0-1036.43~20.04.1.1, 5.15.0-1037.44~20.04.1.1, 5.15.0-1038.45~20.04.1.1 |
| Ubuntu:18.04:LTS | linux-kvm | 4.15.0-1060.61, 0, 4.15.0-1002.2 |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1045.48, 4.15.0-1046.49, 4.15.0-1048.51 |
| Ubuntu:16.04:LTS | linux-hwe | 4.10.0-37.41~16.04.1, 4.10.0-35.39~16.04.1, 4.10.0-33.37~16.04.1 |
| Ubuntu:Pro:FIPS:16.04:LTS | linux-fips | 4.4.0-1010.13, 4.4.0-1015.20, 4.4.0-1026.31 |
| Ubuntu:20.04:LTS | linux-raspi | 5.4.0-1015.15, 0, 5.4.0-1007.7 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-fips | 4.15.0-1029.34, 0, 4.15.0-1034.39 |
| Ubuntu:18.04:LTS | linux-aws | 4.15.0-1025.25, 4.15.0-1029.30, 4.15.0-1060.62 |
| Ubuntu:16.04:LTS | linux-aws | 4.4.0-1109.120, 4.4.0-1107.118, 4.4.0-1110.121 |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-aws-fips | 5.4.0-1021.21+fips2, 0 |
| Ubuntu:18.04:LTS | linux-gcp | 4.15.0-1023.24, 0, 4.15.0-1001.1 |
| Ubuntu:16.04:LTS | linux-gcp | *, 0, 4.10.0-1004.4 |
…and 50 more
Exploit Intelligence
- https://lkml.org/lkml/2020/7/21/80 (nist-nvd)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
Timeline
- Nov 23, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Dec 27, 2021 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
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-15437 third-party-advisory
- https://git.kernel.org/linus/f4c23a140d80ef5e6d3d1f8f57007649014b60fa third-party-advisory
- https://lkml.org/lkml/2020/7/21/80 third-party-advisory
- https://ubuntu.com/security/notices/USN-4752-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-15437 third-party-advisory