VDB
CVE-2020-36691
CVE-2020-36691
PUBLISHED
An issue was discovered in the Linux kernel before 5.8. lib/nlattr.c allows attackers to cause a denial of service (unbounded recursion) via a nested Netlink policy with a back reference.
EPSS 0.02% · 3.9th percentile
Risk Scores
EPSS Score
0.02%
3.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | linux-oracle-5.13 | 5.13.0-1021.26~20.04.1, 5.13.0-1030.35~20.04.1, 5.13.0-1034.40~20.04.1 |
| Ubuntu:20.04:LTS | linux-gcp | 5.4.0-1087.95, 5.4.0-1067.71, 5.4.0-1065.69 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1004.4, 5.15.0-1005.5, 5.15.0-1006.6 |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1045.48, 4.15.0-1063.66, 4.15.0-1076.81 |
| Ubuntu:20.04:LTS | linux-oem-5.6 | 5.6.0-1011.11, 5.6.0-1008.8, 5.6.0-1007.7 |
| Ubuntu:20.04:LTS | linux-azure-fde | *, 5.4.0-1069.72+cvm1.1, 5.4.0-1063.66+cvm2.2 |
| Ubuntu:Pro:18.04:LTS | linux-ibm-5.4 | 5.4.0-1021.23~18.04.1, 5.4.0-1042.47~18.04.1, 5.4.0-1044.49~18.04.1 |
| Ubuntu:18.04:LTS | linux-azure-5.3 | *, 5.3.0-1035.36, 5.3.0-1034.35~18.04.1 |
| Ubuntu:Pro:18.04:LTS | linux-azure-5.4 | *, 0, 5.4.0-1020.20~18.04.1 |
| Ubuntu:18.04:LTS | linux-gkeop-5.4 | 5.4.0-1018.19~18.04.1, 0, 5.4.0-1001.1 |
| Ubuntu:20.04:LTS | linux-raspi | 5.4.0-1090.101, 0, 5.4.0-1007.7 |
| Ubuntu:18.04:LTS | linux-aws-5.0 | 5.0.0-1027.30, 5.0.0-1025.28, 5.0.0-1024.27~18.04.1 |
| Ubuntu:20.04:LTS | linux-azure-5.8 | 5.8.0-1036.38~20.04.1, 5.8.0-1033.35~20.04.1, 5.8.0-1039.42~20.04.1 |
| Ubuntu:20.04:LTS | linux-ibm | 5.4.0-1050.55, 5.4.0-1023.25, 5.4.0-1028.32 |
| Ubuntu:20.04:LTS | linux-raspi2 | 5.4.0-1004.4, 5.3.0-1017.19, 5.3.0-1015.17 |
| Ubuntu:18.04:LTS | linux-oracle-5.3 | 0, 5.3.0-1013.14~18.04.1, 5.3.0-1011.12~18.04.1 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-azure-fips | 5.4.0-1022.22+fips1, 0 |
| Ubuntu:20.04:LTS | linux-aws-5.11 | *, *, 0 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-aws-fips | *, 0 |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.13.0-16.19~16.04.3, 0, 4.8.0-30.32~16.04.1 |
…and 53 more
Timeline
- Mar 24, 2023 CVE Published
- Mar 25, 2023 EPSS Score
- May 2, 2023 EPSS Score
- Jun 10, 2023 EPSS Score
- Jul 18, 2023 EPSS Score
- Aug 25, 2023 EPSS Score
- Oct 2, 2023 EPSS Score
- Nov 10, 2023 EPSS Score
- Dec 18, 2023 EPSS Score
- Jan 25, 2024 EPSS Score
- Mar 3, 2024 EPSS Score
- Apr 11, 2024 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-36691 third-party-advisory
- https://git.kernel.org/linus/7690aa1cdf7c4565ad6b013b324c28b685505e24 third-party-advisory
- https://github.com/torvalds/linux/commit/7690aa1cdf7c4565ad6b013b324c28b685505e24 third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8 third-party-advisory
- https://ubuntu.com/security/notices/USN-6284-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-6301-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-6312-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-6314-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-6331-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-6337-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-36691 third-party-advisory