VDB
CVE-2021-32606
CVE-2021-32606
PUBLISHED
CVSS 7.800000190734863 HIGH
In the Linux kernel 5.11 through 5.12.2, isotp_setsockopt in net/can/isotp.c allows privilege escalation to root by leveraging a use-after-free. (This does not affect earlier versions that lack CAN ISOTP SF_BROADCAST support.)
EPSS 0.43% · 37.0th percentile
Risk Scores
CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.43%
37.0th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | linux-azure-5.3 | 5.3.0-1013.14~18.04.1, 5.3.0-1012.13~18.04.1, 5.3.0-1009.10~18.04.1 |
| Ubuntu:18.04:LTS | linux-azure | 4.15.0-1012.12, 4.15.0-1004.4, 4.15.0-1003.3 |
| Ubuntu:18.04:LTS | linux-gke-4.15 | 4.15.0-1059.62, 4.15.0-1058.61, 4.15.0-1057.60 |
| Ubuntu:18.04:LTS | linux-hwe | 5.3.0-51.44~18.04.2, 4.18.0-13.14~18.04.1, 4.18.0-15.16~18.04.1 |
| Ubuntu:18.04:LTS | linux-gcp | 4.15.0-1024.25, 4.15.0-1023.24, 4.15.0-1021.22 |
| Ubuntu:18.04:LTS | linux-oracle-5.3 | 0, 5.3.0-1011.12~18.04.1, 5.3.0-1013.14~18.04.1 |
| Ubuntu:18.04:LTS | linux-oracle-5.0 | *, 5.0.0-1014.19, 0 |
| Ubuntu:20.04:LTS | linux-raspi2 | 5.3.0-1015.17, 5.3.0-1014.16, 5.4.0-1006.6 |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.13.0-17.20~16.04.1, 4.8.0-28.30~16.04.1, 4.8.0-30.32~16.04.1 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 5.0.0-19.20~18.04.1, 5.3.0-22.24~18.04.1, 5.3.0-23.25~18.04.1 |
| Ubuntu:18.04:LTS | linux-gcp-edge | 4.18.0-1006.7~18.04.1, 4.18.0-1005.6~18.04.1, 4.18.0-1004.5~18.04.1 |
| Ubuntu:18.04:LTS | linux-aws-5.0 | 5.0.0-1027.30, 0, 5.0.0-1021.24~18.04.1 |
| Ubuntu:18.04:LTS | linux-azure-edge | 0, 4.18.0-1006.6~18.04.1, 4.18.0-1008.8~18.04.1 |
| Ubuntu:18.04:LTS | linux-aws-5.3 | 5.3.0-1033.35, 5.3.0-1035.37, 5.3.0-1019.21~18.04.1 |
| Ubuntu:18.04:LTS | linux-oem | 4.15.0-1024.29, 4.15.0-1028.33, 4.15.0-1030.35 |
| Ubuntu:18.04:LTS | linux-gcp-5.3 | *, 0, 5.3.0-1009.10~18.04.1 |
| Ubuntu:20.04:LTS | linux-riscv | 5.4.0-24.28, 5.4.0-26.30, 5.4.0-28.32 |
Timeline
- May 11, 2021 CVE Published
- May 12, 2021 EPSS Score
- May 20, 2021 EPSS Score
- Jul 16, 2021 EPSS Score
- Nov 18, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Jan 19, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 23, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 27, 2022 EPSS Score
- Sep 28, 2022 EPSS Score
References
- https://www.openwall.com/lists/oss-security/2021/05/11/16 third-party-advisory
- http://www.openwall.com/lists/oss-security/2021/05/12/1 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-32606 third-party-advisory
- https://ubuntu.com/security/CVE-2021-32606 advisory
- https://github.com/nrb547/kernel-exploitation/blob/main/cve-2021-32606/cve-2021-32606.md exploit