CVE-2019-12817
unknown
CVSS v3
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VIR risk
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Description
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.
Predictions
Exploit likelihood
20%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No vendor mitigations ingested yet for this CVE. The mitigation-content worker queues fetches as references arrive — check back in a few minutes, or see the references list below.
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| sles | affected | | |
| debian | bookworm | fixed | 5.2.6-1 |
| debian | bullseye | fixed | 5.2.6-1 |
| debian | forky | fixed | 5.2.6-1 |
| debian | sid | fixed | 5.2.6-1 |
| debian | trixie | fixed | 5.2.6-1 |
References
💬 Discuss CVE-2019-12817 on VIR Community →
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.