VDB
CVE-2021-20265
CVE-2021-20265
PUBLISHED
A flaw was found in the way memory resources were freed in the unix_stream_recvmsg function in the Linux kernel when a signal was pending. This flaw allows an unprivileged local user to crash the system by exhausting available memory. The highest threat from this vulnerability is to system availability.
EPSS 0.04% · 12.6th percentile
Risk Scores
EPSS Score
0.04%
12.6th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | linux-gcp-5.3 | 5.3.0-1016.17~18.04.1, 5.3.0-1017.18~18.04.1, * |
| Ubuntu:18.04:LTS | linux-gcp | 5.0.0-1031.32, 5.0.0-1029.30~18.04.1, 5.0.0-1028.29~18.04.1 |
| Ubuntu:Pro:14.04:LTS | linux-azure | 4.15.0-1041.45~14.04.1, 4.15.0-1036.38~14.04.2, 4.15.0-1035.36~14.04.2 |
| Ubuntu:18.04:LTS | linux-oracle-5.3 | 5.3.0-1013.14~18.04.1, 5.3.0-1014.15~18.04.1, 5.3.0-1016.18~18.04.1 |
| Ubuntu:18.04:LTS | linux-aws-5.0 | 5.0.0-1025.28, *, 0 |
| Ubuntu:16.04:LTS | linux-raspi2 | 0, 4.2.0-1013.19, 4.4.0-1009.10 |
| Ubuntu:Pro:14.04:LTS | linux | 3.13.0-176.227, 3.12.0-4.12, 3.12.0-5.13 |
| Ubuntu:Pro:14.04:LTS | linux-aws | 4.4.0-1143.149, 0, 4.4.0-1002.2 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 5.3.0-23.25~18.04.2, 5.3.0-23.25~18.04.1, 5.3.0-22.24~18.04.1 |
| Ubuntu:18.04:LTS | linux-hwe | *, 5.3.0-67.61, 5.3.0-66.60 |
| Ubuntu:18.04:LTS | linux-oem | 4.15.0-1079.89, 4.15.0-1008.11, 4.15.0-1076.86 |
| Ubuntu:18.04:LTS | linux-gcp-edge | 0, 4.18.0-1009.10~18.04.1, 4.18.0-1011.12~18.04.1 |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1048.51, 4.15.0-1049.52, 4.15.0-1052.55 |
| Ubuntu:18.04:LTS | linux-oracle-5.0 | 5.0.0-1014.19, 0, 5.0.0-1008.13~18.04.1 |
| Ubuntu:18.04:LTS | linux-azure-edge | 4.18.0-1006.6~18.04.1, 5.0.0-1012.12~18.04.2, * |
| Ubuntu:18.04:LTS | linux-azure | 4.15.0-1021.21, 0, 4.15.0-1002.2 |
| Ubuntu:18.04:LTS | linux-aws-5.3 | 5.3.0-1017.18~18.04.1, 5.3.0-1019.21~18.04.1, 5.3.0-1023.25~18.04.1 |
| Ubuntu:20.04:LTS | linux-raspi2 | 0, 5.3.0-1007.8, 5.3.0-1014.16 |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.8.0-30.32~16.04.1, 4.8.0-32.34~16.04.1, 4.8.0-34.36~16.04.1 |
| Ubuntu:Pro:14.04:LTS | linux-lts-xenial | 4.4.0-198.230~14.04.1, 4.4.0-200.232~14.04.1, 4.4.0-201.233~14.04.1 |
…and 2 more
Timeline
- Mar 10, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 22, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 25, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 27, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 2, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-20265 third-party-advisory
- https://git.kernel.org/linus/fa0dc04df259ba2df3ce1920e9690c7842f8fa4b third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-20265 third-party-advisory
- Multiples vulnérabilités dans les produits Juniper advisory