VDB
CVE-2020-15436
CVE-2020-15436
PUBLISHED
Use-after-free vulnerability in fs/block_dev.c in the Linux kernel before 5.8 allows local users to gain privileges or cause a denial of service by leveraging improper access to a certain error field.
EPSS 0.15% · 35.6th percentile
Risk Scores
EPSS Score
0.15%
35.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:FIPS:18.04:LTS | linux-gcp-fips | 0, 4.15.0-1001.1 |
| Ubuntu:20.04:LTS | linux-kvm | 0, 5.3.0-1003.3, 5.3.0-1008.9 |
| Ubuntu:16.04:LTS | linux-raspi2 | 4.4.0-1133.142, 4.4.0-1075.83, 4.4.0-1027.33 |
| Ubuntu:20.04:LTS | linux-gke | 5.4.0-1090.97, 5.4.0-1091.98, 5.4.0-1094.101 |
| Ubuntu:16.04:LTS | linux-hwe | 4.15.0-45.48~16.04.1, 4.15.0-72.81~16.04.1, 4.15.0-69.78~16.04.1 |
| Ubuntu:Pro:14.04:LTS | linux-aws | 4.4.0-1028.31, 4.4.0-1044.47, 4.4.0-1046.50 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-azure-fips | 0, 5.4.0-1022.22+fips1 |
| Ubuntu:22.04:LTS | linux-realtime | 5.15.0-1032.35, 0 |
| Ubuntu:18.04:LTS | linux-kvm | 4.15.0-1042.42, 4.15.0-1016.16, 4.15.0-1012.12 |
| Ubuntu:18.04:LTS | linux-hwe-5.4 | 5.4.0-39.43~18.04.1, 5.4.0-37.41~18.04.1, 0 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-aws-fips | 4.15.0-2022.22, 4.15.0-2024.24, 4.15.0-2018.18 |
| Ubuntu:18.04:LTS | linux-aws-5.3 | *, 5.3.0-1023.25~18.04.1, * |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.15.0-13.14~16.04.1, *, 4.13.0-25.29~16.04.2 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1023.27, 5.15.0-1022.26, 5.15.0-1020.23 |
| Ubuntu:18.04:LTS | linux-aws | 4.15.0-1017.17, 0, 4.15.0-1001.1 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-aws-fips | 4.15.0-2000.4, 0 |
| Ubuntu:18.04:LTS | linux-azure-5.3 | *, 0, 5.3.0-1007.8~18.04.1 |
| Ubuntu:20.04:LTS | linux-azure | 5.4.0-1019.19, 5.3.0-1003.3, 0 |
| Ubuntu:18.04:LTS | linux-hwe | *, 5.3.0-51.44~18.04.2, 5.3.0-53.47~18.04.1 |
| Ubuntu:18.04:LTS | linux | 4.15.0-66.75, 0, 4.13.0-17.20 |
…and 56 more
Exploit Intelligence
- Trinadh465/linux-4.19.72_CVE-2020-15436 (github-poc)
- Trinadh465/linux-4.19.72_CVE-2020-15436 (github-poc)
- Trinadh465/linux-4.19.72_CVE-2020-15436 (github-poc)
- Trinadh465/linux-4.19.72_CVE-2020-15436 (github-poc)
- Trinadh465/linux-4.19.72_CVE-2020-15436 (github-poc)
- Trinadh465/linux-4.19.72_CVE-2020-15436 (github-poc)
- https://lkml.org/lkml/2020/6/7/379 (nist-nvd)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
…and 3 more exploits
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-2020-15436 third-party-advisory
- https://git.kernel.org/linus/2d3a8e2deddea6c89961c422ec0c5b851e648c14 third-party-advisory
- https://lkml.org/lkml/2020/6/7/379 third-party-advisory
- https://ubuntu.com/security/notices/USN-4752-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-15436 third-party-advisory