VDB
CVE-2020-4788
CVE-2020-4788
PUBLISHED
IBM Power9 (AIX 7.1, 7.2, and VIOS 3.1) processors could allow a local user to obtain sensitive information from the data in the L1 cache under extenuating circumstances. IBM X-Force ID: 189296.
EPSS 0.20% · 41.8th percentile
Risk Scores
EPSS Score
0.20%
41.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | linux-azure-5.3 | 5.3.0-1009.10~18.04.1, 5.3.0-1012.13~18.04.1, 5.3.0-1016.17~18.04.1 |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-gcp-fips | 5.4.0-1021.21+fips1, 0 |
| Ubuntu:20.04:LTS | linux-raspi2 | 5.3.0-1015.17, 5.4.0-1006.6, 5.3.0-1017.19 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-azure-fips | 0, 4.15.0-1002.2 |
| Ubuntu:Pro:14.04:LTS | linux-azure | 4.15.0-1071.76~14.04.1, 4.15.0-1074.79~14.04.1, 4.15.0-1077.82~14.04.1 |
| Ubuntu:18.04:LTS | linux-gcp-5.3 | *, 5.3.0-1032.34~18.04.1, 5.3.0-1030.32~18.04.1 |
| Ubuntu:16.04:LTS | linux-kvm | 4.4.0-1056.63, 4.4.0-1062.69, 4.4.0-1063.70 |
| Ubuntu:20.04:LTS | linux-oracle | 5.4.0-1022.22, 5.4.0-1024.24, 5.4.0-1030.32 |
| Ubuntu:16.04:LTS | linux-raspi2 | 4.4.0-1095.103, 4.2.0-1013.19, 4.2.0-1014.21 |
| Ubuntu:Pro:FIPS-updates:20.04:LTS | linux-azure-fips | 0, * |
| Ubuntu:20.04:LTS | linux-hwe-5.8 | *, 5.8.0-28.30~20.04.1, 5.8.0-23.24~20.04.1 |
| Ubuntu:16.04:LTS | linux | 4.4.0-178.208, 4.4.0-174.204, 4.4.0-176.206 |
| Ubuntu:18.04:LTS | linux-oracle-5.3 | 5.3.0-1014.15~18.04.1, 5.3.0-1013.14~18.04.1, 5.3.0-1011.12~18.04.1 |
| Ubuntu:18.04:LTS | linux-aws-5.3 | *, 5.3.0-1028.30~18.04.1, 5.3.0-1023.25~18.04.1 |
| Ubuntu:18.04:LTS | linux-gke-5.4 | 0, 5.4.0-1030.32~18.04.1, 5.4.0-1025.25~18.04.1 |
| Ubuntu:18.04:LTS | linux-aws-5.4 | 5.4.0-1030.31~18.04.1, 0, * |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-azure-fips | 4.15.0-2009.10, 4.15.0-1002.2, 4.15.0-2006.7 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-aws-fips | 4.15.0-2000.4, 0 |
| Ubuntu:16.04:LTS | linux-aws | 4.4.0-1079.89, 4.4.0-1041.50, 4.4.0-1061.70 |
| Ubuntu:18.04:LTS | linux | 4.15.0-47.50, 0, 4.13.0-16.19 |
…and 40 more
Exploit Intelligence
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
- CVE-2021-3493.yara (github-yara)
Timeline
- Nov 19, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
- Nov 6, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2020-4788 third-party-advisory
- https://exchange.xforce.ibmcloud.com/vulnerabilities/189296 third-party-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=dda3f4252e6c8b833a2ef164afd3da9808d0f07c third-party-advisory
- https://ubuntu.com/security/notices/USN-4657-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4658-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4659-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4660-1 vendor-advisory
- https://ubuntu.com/security/notices/USN-4681-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2020-4788 third-party-advisory