VDB
CVE-2019-12817
CVE-2019-12817
PUBLISHED
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 0.06% · 20.0th percentile
Risk Scores
EPSS Score
0.06%
20.0th 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 |
Exploit Intelligence
- USN-4031-1 (circl)
- [oss-security] 20190625 CVE-2019-12817: Linux kernel: powerpc: Unrelated processes may be able to read/write to each other's virtual memory (circl)
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ca72d88378b2f2444d3ec145dd442d449d3fefbc (circl)
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.15 (circl)
- 108884 (circl)
- FEDORA-2019-6817686c4d (circl)
- FEDORA-2019-69c132b061 (circl)
- openSUSE-SU-2019:1757 (circl)
- DSA-4495 (circl)
- 20190812 [SECURITY] [DSA 4495-1] linux security update (circl)
…and 3 more exploits
Timeline
- Jun 24, 2019 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-2019-12817 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