VDB
CVE-2020-27835
CVE-2020-27835
PUBLISHED
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 0.02% · 6.7th percentile
Risk Scores
EPSS Score
0.02%
6.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:20.04:LTS | linux-gkeop | 5.4.0-1016.17, 5.4.0-1083.87, 5.4.0-1076.80 |
| Ubuntu:20.04:LTS | linux-riscv-5.8 | 5.8.0-14.16~20.04.3, 5.8.0-14.16~20.04.1, 0 |
| Ubuntu:16.04:LTS | linux-hwe-edge | *, *, * |
| Ubuntu:18.04:LTS | linux-gkeop-5.4 | 5.4.0-1007.8~18.04.1, 5.4.0-1005.6, 5.4.0-1001.1 |
| Ubuntu:Pro:20.04:LTS | linux-aws | 5.4.0-1133.143, 5.4.0-1131.141, 5.4.0-1130.140 |
| Ubuntu:Pro:20.04:LTS | linux-ibm | 5.4.0-1089.94, 5.4.0-1003.4, 5.4.0-1005.6 |
| Ubuntu:18.04:LTS | linux-oracle-5.3 | 5.3.0-1018.20~18.04.1, 5.3.0-1024.26~18.04.1, 5.3.0-1027.29~18.04.1 |
| Ubuntu:Pro:20.04:LTS | linux-oracle | 5.4.0-1058.62, 5.4.0-1062.66, 5.4.0-1070.76 |
| Ubuntu:Pro:16.04:LTS | linux-hwe | 4.15.0-156.163~16.04.1, *, * |
| Ubuntu:Pro:20.04:LTS | linux-xilinx-zynqmp | 5.4.0-1038.42, 5.4.0-1048.52, 5.4.0-1053.57 |
| Ubuntu:Pro:16.04:LTS | linux-azure | 4.15.0-1057.62, 4.15.0-1134.147~16.04.1, 4.15.0-1133.146~16.04.1 |
| Ubuntu:20.04:LTS | linux-gke | 5.4.0-1091.98, 5.4.0-1094.101, 5.4.0-1095.102 |
| Ubuntu:Pro:20.04:LTS | linux-bluefield | 5.4.0-1059.65, 5.4.0-1058.64, 5.4.0-1054.60 |
| Ubuntu:Pro:16.04:LTS | linux-gcp | 4.15.0-1100.113~16.04.1, 0, 4.10.0-1004.4 |
| Ubuntu:Pro:FIPS:20.04:LTS | linux-gcp-fips | 0, 5.4.0-1021.21+fips1 |
| Ubuntu:18.04:LTS | linux-azure-5.3 | 5.3.0-1019.20~18.04.1, 5.3.0-1020.21~18.04.1, 5.3.0-1022.23~18.04.1 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 5.0.0-15.16~18.04.1, 5.0.0-16.17~18.04.1, 5.0.0-19.20~18.04.1 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-fips | 4.15.0-1070.79, 4.15.0-1069.78, 4.15.0-1067.76 |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-gcp-fips | 5.4.0-1129.138+fips1, 5.4.0-1086.94+fips1, 5.4.0-1081.88+fips1 |
| Ubuntu:22.04:LTS | linux-realtime | 0, 5.15.0-1032.35 |
…and 54 more
Timeline
- Jan 7, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 22, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 25, 2021 EPSS Score
- Dec 27, 2021 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
- Nov 5, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-27835 third-party-advisory
- https://git.kernel.org/linus/3d2a9d642512c21a12d19b9250e7a835dcb41a79 third-party-advisory
- https://ubuntu.com/security/notices/USN-4751-1 vendor-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