VDB
CVE-2021-0941
CVE-2021-0941
PUBLISHED
CVSS 6.699999809265137 MEDIUM
In bpf_skb_change_head of filter.c, there is a possible out of bounds read due to a use after free. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.Product: AndroidVersions: Android kernelAndroid ID: A-154177719References: Upstream kernel
EPSS 0.17% · 6.2th percentile
Risk Scores
CVSS 3.1
6.699999809265137
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.17%
6.2th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | linux-raspi2 | 0, 5.4.0-1006.6, 5.4.0-1004.4 |
| Ubuntu:18.04:LTS | linux-raspi-5.4 | 5.4.0-1023.26~18.04.1, 5.4.0-1025.28~18.04.1, 5.4.0-1026.29~18.04.1 |
| Ubuntu:20.04:LTS | linux-azure | 5.4.0-1034.35, 5.4.0-1016.16, 5.4.0-1025.25 |
| Ubuntu:20.04:LTS | linux-riscv | 5.4.0-36.41, 5.4.0-37.42, 5.4.0-39.44 |
| Ubuntu:18.04:LTS | linux | 4.15.0-143.147, 0, 4.13.0-16.19 |
| Ubuntu:18.04:LTS | linux-gcp-4.15 | 4.15.0-1088.101, 4.15.0-1090.103, 4.15.0-1093.106 |
| Ubuntu:20.04:LTS | linux-kvm | 5.4.0-1026.27, 5.4.0-1028.29, 5.4.0-1030.31 |
| Ubuntu:18.04:LTS | linux-oracle-5.0 | 5.0.0-1010.15~18.04.1, 0, 5.0.0-1007.12~18.04.1 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-azure-fips | 4.15.0-2018.21, 4.15.0-2023.26, 4.15.0-2022.25 |
| Ubuntu:18.04:LTS | linux-raspi2 | 4.15.0-1033.35, 4.15.0-1032.34, 4.15.0-1031.33 |
| Ubuntu:18.04:LTS | linux-azure-4.15 | 4.15.0-1096.106, 4.15.0-1083.93, 4.15.0-1100.111 |
| Ubuntu:18.04:LTS | linux-aws | 4.15.0-1029.30, 4.15.0-1019.19, 4.15.0-1017.17 |
| Ubuntu:18.04:LTS | linux-gkeop-5.4 | 5.4.0-1004.5, 5.4.0-1001.1, 5.4.0-1005.6 |
| Ubuntu:18.04:LTS | linux-aws-5.3 | 5.3.0-1017.18~18.04.1, 5.3.0-1019.21~18.04.1, 5.3.0-1035.37 |
| Ubuntu:18.04:LTS | linux-oracle-5.4 | 5.4.0-1044.47~18.04.1, 5.4.0-1035.38~18.04.1, 0 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-aws-fips | 4.15.0-2044.46, 0, 4.15.0-2000.4 |
| Ubuntu:20.04:LTS | linux-oem-5.10 | 5.10.0-1016.17, 5.10.0-1013.14, 0 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-aws-fips | 0, 5.4.0-1021.21+fips2 |
| Ubuntu:Pro:14.04:LTS | linux-azure | 4.15.0-1057.62~14.04.1, 4.15.0-1074.79~14.04.1, 4.15.0-1083.93~14.04.1 |
| Ubuntu:20.04:LTS | linux-riscv-5.8 | 5.8.0-25.27~20.04.1, 5.8.0-22.24~20.04.1, 5.8.0-20.22~20.04.1 |
…and 54 more
Timeline
- Oct 5, 2021 CVE Published
- Oct 25, 2021 PoC Published
- Oct 26, 2021 EPSS Score
- Dec 21, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Apr 13, 2022 EPSS Score
- Jun 9, 2022 EPSS Score
- Aug 5, 2022 EPSS Score
- Oct 1, 2022 EPSS Score
- Nov 26, 2022 EPSS Score
References
- https://git.kernel.org/6306c1189e77a513bf02720450bb43bd4ba5d8ae third-party-advisory
- https://source.android.com/security/bulletin/pixel/2021-10-01 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-0941 third-party-advisory
- https://ubuntu.com/security/CVE-2021-0941 advisory