VDB
CVE-2020-25220
CVE-2020-25220
PUBLISHED
The Linux kernel 4.9.x before 4.9.233, 4.14.x before 4.14.194, and 4.19.x before 4.19.140 has a use-after-free because skcd->no_refcnt was not considered during a backport of a CVE-2020-14356 patch. This is related to the cgroups feature.
EPSS 0.12% · 29.8th percentile
Risk Scores
EPSS Score
0.12%
29.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | linux-azure | 4.15.0-1032.33, 4.15.0-1012.12, 4.15.0-1013.13 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-aws-fips | 4.15.0-2000.4, 4.15.0-2018.18, 4.15.0-2021.21 |
| Ubuntu:18.04:LTS | linux-azure-edge | *, 4.18.0-1007.7~18.04.1, 4.18.0-1006.6~18.04.1 |
| Ubuntu:20.04:LTS | linux-azure-fde | 5.4.0-1065.68+cvm2.1, 5.4.0-1064.67+cvm1.1, 5.4.0-1063.66+cvm3.2 |
| Ubuntu:16.04:LTS | linux-hwe | 4.15.0-45.48~16.04.1, *, * |
| Ubuntu:18.04:LTS | linux-gcp-edge | 4.18.0-1011.12~18.04.1, 4.18.0-1008.9~18.04.1, 4.18.0-1007.8~18.04.1 |
| Ubuntu:16.04:LTS | linux-oracle | 4.15.0-1023.26~16.04.1, 4.15.0-1031.34~16.04.1, 4.15.0-1033.36~16.04.1 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | 5.15.0-1073.75, 0 |
| Ubuntu:18.04:LTS | linux-azure-4.15 | 4.15.0-1095.105, 4.15.0-1082.92, 4.15.0-1083.93 |
| Ubuntu:16.04:LTS | linux-aws-hwe | 4.15.0-1066.70~16.04.1, 0, 4.15.0-1030.31~16.04.1 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-fips | 4.15.0-1039.44, 4.15.0-1037.42, 4.15.0-1034.39 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-fips | 4.15.0-1011.12, 0 |
| Ubuntu:18.04:LTS | linux | 4.15.0-29.31, 4.15.0-32.35, 4.15.0-33.36 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | 0, 6.8.0-2019.20 |
| Ubuntu:18.04:LTS | linux-oem | 4.15.0-1079.89, 4.15.0-1080.90, 4.15.0-1081.91 |
| Ubuntu:18.04:LTS | linux-oracle | 4.15.0-1015.17, 0, 4.15.0-1008.10 |
| Ubuntu:18.04:LTS | linux-gcp-4.15 | 4.15.0-1083.94, 0, 4.15.0-1081.92 |
| Ubuntu:18.04:LTS | linux-azure-5.3 | 5.3.0-1031.32~18.04.1, 5.3.0-1032.33~18.04.1, 5.3.0-1034.35~18.04.1 |
| Ubuntu:18.04:LTS | linux-aws-5.3 | 5.3.0-1035.37, 5.3.0-1016.17~18.04.1, 5.3.0-1019.21~18.04.1 |
| Ubuntu:18.04:LTS | linux-gcp-5.3 | 5.3.0-1030.32~18.04.1, 5.3.0-1026.28~18.04.1, * |
…and 18 more
Timeline
- Sep 10, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 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
References
- https://ubuntu.com/security/CVE-2020-25220 third-party-advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1868453 third-party-advisory
- https://www.spinics.net/lists/stable/msg405099.html third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.194 third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.140 third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.233 third-party-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-4.14.y&id=82fd2138a5ffd7e0d4320cdb669e115ee976a26e third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-25220 third-party-advisory