VDB
CVE-2020-36387
CVE-2020-36387
PUBLISHED
An issue was discovered in the Linux kernel before 5.8.2. fs/io_uring.c has a use-after-free related to io_async_task_func and ctx reference holding, aka CID-6d816e088c35.
EPSS 0.06% · 18.1th percentile
Risk Scores
EPSS Score
0.06%
18.1th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | linux-gcp-edge | 4.18.0-1004.5~18.04.1, 4.18.0-1005.6~18.04.1, 4.18.0-1006.7~18.04.1 |
| Ubuntu:18.04:LTS | linux-oracle-5.3 | 5.3.0-1027.29~18.04.1, *, 0 |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.13.0-25.29~16.04.2, 4.13.0-19.22~16.04.1, 4.13.0-17.20~16.04.1 |
| Ubuntu:18.04:LTS | linux-hwe | 5.3.0-69.65, 0, 4.18.0-13.14~18.04.1 |
| Ubuntu:18.04:LTS | linux-gcp | 4.15.0-1032.34, 4.15.0-1034.36, 4.15.0-1036.38 |
| Ubuntu:20.04:LTS | linux-raspi2 | 0, 5.3.0-1007.8, 5.3.0-1015.17 |
| Ubuntu:18.04:LTS | linux-oem | 4.15.0-1081.91, 4.15.0-1079.89, 4.15.0-1073.83 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 5.0.0-16.17~18.04.1, 5.0.0-17.18~18.04.1, 5.0.0-19.20~18.04.1 |
| Ubuntu:20.04:LTS | linux-oem-5.6 | 5.6.0-1013.13, 5.6.0-1011.11, 5.6.0-1007.7 |
| Ubuntu:18.04:LTS | linux-gcp-5.3 | *, *, * |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1064.67, 4.15.0-1030.32, 4.15.0-1032.34 |
| Ubuntu:18.04:LTS | linux-azure | 4.15.0-1008.8, *, * |
| Ubuntu:20.04:LTS | linux-riscv | 0, 5.4.0-26.30, 5.4.0-31.35 |
| Ubuntu:18.04:LTS | linux-aws-5.0 | 0, 5.0.0-1025.28, 5.0.0-1027.30 |
| Ubuntu:18.04:LTS | linux-oracle-5.0 | 5.0.0-1014.19, *, 5.0.0-1007.12~18.04.1 |
| Ubuntu:18.04:LTS | linux-azure-edge | *, 5.0.0-1012.12~18.04.2, 4.18.0-1008.8~18.04.1 |
| Ubuntu:18.04:LTS | linux-azure-5.3 | 5.3.0-1008.9~18.04.1, *, * |
| Ubuntu:18.04:LTS | linux-aws-5.3 | 5.3.0-1016.17~18.04.1, 5.3.0-1019.21~18.04.1, 5.3.0-1023.25~18.04.1 |
Timeline
- Jun 7, 2021 CVE Published
- Jun 8, 2021 EPSS Score
- Jun 13, 2021 EPSS Score
- Aug 9, 2021 EPSS Score
- Dec 8, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 7, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 9, 2022 EPSS Score
- Aug 10, 2022 EPSS Score
- Oct 9, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-36387 third-party-advisory
- https://git.kernel.org/linus/6d816e088c359866f9867057e04f244c608c42fe third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.8.2 third-party-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=6d816e088c359866f9867057e04f244c608c42fe third-party-advisory
- https://sites.google.com/view/syzscope/kasan-use-after-free-read-in-io_async_task_func third-party-advisory
- https://syzkaller.appspot.com/bug?id=ce5f07d6ec3b5050b8f0728a3b389aa510f2591b third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-36387 third-party-advisory