VDB
CVE-2019-12817
CVE-2019-12817
PUBLISHED
CVSS 7 HIGH
arch/powerpc/mm/mmu_context_book3s64.c in the Linux kernel before 5.1.15 for powerpc has a bug where unrelated processes may be able to read/write to one another's virtual memory under certain conditions via an mmap above 512 TB. Only a subset of powerpc systems are affected.
EPSS 0.39% · 30.5th percentile
Risk Scores
CVSS 3.1
7
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.39%
30.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | 5.15.0-1073.75, 0 |
| Ubuntu:18.04:LTS | linux-hwe-edge | 0, 5.0.0-15.16~18.04.1, 5.0.0-16.17~18.04.1 |
| Ubuntu:22.04:LTS | linux-riscv | 5.15.0-1005.5, 5.15.0-1006.6, 5.15.0-1007.7 |
| Ubuntu:22.04:LTS | linux-realtime | 0, 5.15.0-1032.35 |
| Ubuntu:18.04:LTS | linux-hwe | *, 0, 4.18.0-21.22~18.04.1 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | 0, 6.8.0-2019.20 |
| Ubuntu:20.04:LTS | linux-gke | 5.4.0-1086.93, 5.4.0-1042.44, 5.4.0-1043.45 |
| Ubuntu:20.04:LTS | linux-azure-fde | 5.4.0-1078.81+cvm1.1, 5.4.0-1098.104+cvm1.1, 5.4.0-1100.106+cvm1.1 |
| Ubuntu:20.04:LTS | linux-riscv | 0, 5.4.0-40.45, 5.4.0-26.30 |
| Ubuntu:20.04:LTS | linux-raspi2 | 0, 5.3.0-1007.8, 5.3.0-1015.17 |
Timeline
- Jun 24, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Oct 27, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 2, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Jul 6, 2022 EPSS Score
- Sep 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-12817 third-party-advisory
- https://ubuntu.com/security/notices/USN-4031-1 vendor-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-12817 third-party-advisory