VDB
CVE-2019-20812
CVE-2019-20812
PUBLISHED
An issue was discovered in the Linux kernel before 5.4.7. The prb_calc_retire_blk_tmo() function in net/packet/af_packet.c can result in a denial of service (CPU consumption and soft lockup) in a certain failure case involving TPACKET_V3, aka CID-b43d1f9f7067.
EPSS 0.05% · 16.8th percentile
Risk Scores
EPSS Score
0.05%
16.8th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | linux-aws | 4.15.0-1035.37, 4.15.0-1001.1, 4.15.0-1043.45 |
| Ubuntu:16.04:LTS | linux-oracle | 4.15.0-1026.29~16.04.1, 4.15.0-1025.28~16.04.1, 4.15.0-1022.25~16.04.1 |
| Ubuntu:18.04:LTS | linux-azure | *, 5.0.0-1036.38, * |
| Ubuntu:Pro:14.04:LTS | linux-lts-xenial | 4.4.0-75.96~14.04.1, *, * |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-azure-fips | 4.15.0-1002.2, 0 |
| Ubuntu:18.04:LTS | linux-gke-5.0 | 5.0.0-1027.28~18.04.1, *, 0 |
| Ubuntu:Pro:14.04:LTS | linux-azure | 4.15.0-1050.55~14.04.1, 4.15.0-1049.54~14.04.1, 4.15.0-1047.51~14.04.1 |
| Ubuntu:16.04:LTS | linux-hwe | 4.8.0-39.42~16.04.1, *, * |
| Ubuntu:18.04:LTS | linux-oem | 4.15.0-1024.29, 0, 4.15.0-1065.75 |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-gcp-fips | 4.15.0-1001.1, 0 |
| Ubuntu:Pro:FIPS:16.04:LTS | linux-fips | 4.4.0-1015.20, 4.4.0-1012.16, 4.4.0-1026.31 |
| Ubuntu:18.04:LTS | linux-kvm | 4.15.0-1016.16, 4.15.0-1030.30, 4.15.0-1020.20 |
| Ubuntu:18.04:LTS | linux-gcp-edge | 4.18.0-1004.5~18.04.1, *, * |
| Ubuntu:16.04:LTS | linux-snapdragon | 4.4.0-1039.43, 4.4.0-1044.48, 4.4.0-1042.46 |
| Ubuntu:Pro:FIPS-updates:18.04:LTS | linux-aws-fips | 0, 4.15.0-2000.4 |
| Ubuntu:16.04:LTS | linux-hwe-edge | 4.10.0-20.22~16.04.1, 0, 4.8.0-28.30~16.04.1 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 0, 5.3.0-22.24~18.04.1, * |
| Ubuntu:Pro:FIPS:18.04:LTS | linux-azure-fips | 4.15.0-1002.2, 0 |
| Ubuntu:18.04:LTS | linux-oracle | 4.15.0-1021.23, 4.15.0-1023.26, 4.15.0-1025.28 |
| Ubuntu:18.04:LTS | linux-gcp | 5.0.0-1025.26~18.04.1, 0, 4.15.0-1001.1 |
…and 30 more
Timeline
- Jun 3, 2020 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Oct 26, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Feb 28, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 1, 2022 EPSS Score
- Jul 3, 2022 EPSS Score
- Sep 4, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-20812 third-party-advisory
- https://git.kernel.org/linus/b43d1f9f7067c6759b1051e8ecb84e82cef569fe third-party-advisory
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.7 third-party-advisory
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=b43d1f9f7067c6759b1051e8ecb84e82cef569fe third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-20812 third-party-advisory