VDB
CVE-2020-27835
CVE-2020-27835
PUBLISHED
CVSS 4.400000095367432 MEDIUM
A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.
EPSS 0.31% · 23.8th percentile
Risk Scores
CVSS 3.1
4.400000095367432
CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Score
0.31%
23.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | linux-gkeop | 5.4.0-1066.70, 5.4.0-1100.104, 5.4.0-1098.102 |
| Ubuntu:20.04:LTS | linux-riscv-5.8 | *, 5.8.0-14.16~20.04.3, 0 |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.10.0-26.30~16.04.1, 4.10.0-24.28~16.04.1, 4.10.0-22.24~16.04.1 |
| Ubuntu:18.04:LTS | linux-gkeop-5.4 | 5.4.0-1029.30~18.04.2, 5.4.0-1008.9~18.04.1, 5.4.0-1025.26~18.04.1 |
| Ubuntu:Pro:20.04:LTS | linux-aws | 5.4.0-1144.154, 0, 5.3.0-1003.3 |
| Ubuntu:Pro:20.04:LTS | linux-ibm | 5.4.0-1074.79, 5.4.0-1015.16, 5.4.0-1014.15 |
| 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:Pro:20.04:LTS | linux-oracle | 5.4.0-1152.162, 5.4.0-1112.121, 5.4.0-1136.145 |
| Ubuntu:Pro:16.04:LTS | linux-hwe | 4.8.0-51.54~16.04.1, *, 4.15.0-246.258~16.04.1 |
| Ubuntu:Pro:20.04:LTS | linux-xilinx-zynqmp | 0, 5.4.0-1020.24, 5.4.0-1021.25 |
| Ubuntu:Pro:16.04:LTS | linux-azure | 4.15.0-1028.29~16.04.1, 0, 4.11.0-1011.11 |
| Ubuntu:20.04:LTS | linux-gke | 5.4.0-1046.48, 5.4.0-1044.46, 5.4.0-1043.45 |
| Ubuntu:Pro:20.04:LTS | linux-bluefield | 5.4.0-1101.108, 5.4.0-1105.112, 5.4.0-1106.113 |
| Ubuntu:Pro:16.04:LTS | linux-gcp | 4.15.0-1136.152~16.04.1, 4.15.0-1100.113~16.04.1, 4.15.0-1099.112~16.04.1 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-gcp-fips | 0, 5.4.0-1021.21+fips1 |
| Ubuntu:18.04:LTS | linux-azure-5.3 | 5.3.0-1009.10~18.04.1, 5.3.0-1008.9~18.04.1, 5.3.0-1007.8~18.04.1 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 5.3.0-19.20~18.04.2, 5.3.0-22.24~18.04.1, 5.3.0-23.25~18.04.1 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-fips | 4.15.0-1124.135, 4.15.0-1029.34, 4.15.0-1034.39 |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-gcp-fips | 5.4.0-1151.160+fips1, 5.4.0-1089.97+fips1, 5.4.0-1086.94+fips1 |
| Ubuntu:22.04:LTS | linux-realtime | 5.15.0-1032.35, 0 |
…and 54 more
Timeline
- Jan 7, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 26, 2021 EPSS Score
- Oct 28, 2021 EPSS Score
- Dec 30, 2021 EPSS Score
- Mar 4, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 6, 2022 EPSS Score
- Jul 8, 2022 EPSS Score
- Sep 10, 2022 EPSS Score
- Nov 13, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-27835 advisory
- https://ubuntu.com/security/notices/USN-4751-1 advisory
- https://git.kernel.org/linus/3d2a9d642512c21a12d19b9250e7a835dcb41a79 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-27835 third-party-advisory
- Multiples vulnérabilités dans le noyau Linux de SUSE advisory
- Multiples vulnérabilités dans le noyau Linux de SUSE advisory