VDB
CVE-2021-0342
CVE-2021-0342
PUBLISHED
In tun_get_user of tun.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privilege with System execution privileges required. User interaction is not required for exploitation. Product: Android; Versions: Android kernel; Android ID: A-146554327.
EPSS 0.03% · 7.7th percentile
Risk Scores
EPSS Score
0.03%
7.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:16.04:LTS | linux-gcp | 4.15.0-1032.34~16.04.1, 4.15.0-1033.35~16.04.1, 4.15.0-1034.36~16.04.1 |
| Ubuntu:18.04:LTS | linux-gcp-edge | 0, *, * |
| Ubuntu:18.04:LTS | linux | 4.15.0-44.47, 4.15.0-65.74, 4.15.0-24.26 |
| Ubuntu:20.04:LTS | linux | 5.4.0-33.37, 5.4.0-29.33, 5.4.0-28.32 |
| Ubuntu:18.04:LTS | linux-hwe | 5.3.0-64.58~18.04.1, 5.3.0-61.55~18.04.1, 5.3.0-53.47~18.04.1 |
| 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 |
| Ubuntu:20.04:LTS | linux-oracle | 5.3.0-1002.2, 5.4.0-1018.18, 5.4.0-1021.21 |
| Ubuntu:18.04:LTS | linux-aws | 4.15.0-1005.5, 4.15.0-1003.3, 4.15.0-1001.1 |
| Ubuntu:22.04:LTS | linux-riscv | 5.13.0-1010.11+22.04.1, 5.15.0-1005.5, 5.15.0-1006.6 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-fips | 4.15.0-1037.42, 4.15.0-1038.43, 4.15.0-1027.32 |
| Ubuntu:18.04:LTS | linux-kvm | 4.15.0-1067.68, 4.15.0-1069.70, 4.15.0-1071.72 |
| Ubuntu:18.04:LTS | linux-gcp | 5.0.0-1029.30~18.04.1, *, 4.15.0-1005.5 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-aws-fips | 0, * |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1050.53, 4.15.0-1063.66, 4.15.0-1041.43 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-aws-fips | 0, 4.15.0-2000.4, 4.15.0-2024.24 |
| Ubuntu:18.04:LTS | linux-raspi2-5.3 | 5.3.0-1027.29~18.04.1, 5.3.0-1028.30~18.04.2, 0 |
| Ubuntu:18.04:LTS | linux-snapdragon | 0, 4.15.0-1067.74, 4.4.0-1081.86 |
| Ubuntu:20.04:LTS | linux-kvm | 5.4.0-1009.9, 5.4.0-1006.6, 5.4.0-1004.4 |
| Ubuntu:20.04:LTS | linux-raspi | 5.4.0-1015.15, 5.4.0-1011.11, 5.4.0-1012.12 |
| Ubuntu:20.04:LTS | linux-oem-5.6 | 5.6.0-1010.10, 5.6.0-1011.11, 5.6.0-1018.18 |
…and 47 more
Exploit Intelligence
- 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)
- CVE-2021-3493.yara (github-yara)
Timeline
- Jan 4, 2021 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-2021-0342 third-party-advisory
- https://git.kernel.org/linus/96aa1b22bd6bb9fccf62f6261f390ed6f3e7967f third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-0342 third-party-advisory