CVE-2019-12817
Higharch/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.
CVSS 3.1 score
7.0
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-787CVE-2019-12817 is a Out-of-bounds Write vulnerability
What is Out-of-bounds Write?
The product writes data past the end or before the beginning of the intended buffer. Learn more on MITRE CWE
References
13 total-
Vendor Advisory
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Patch Vendor Advisory
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Mailing List Third Party Advisory
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Mailing List Third Party Advisory
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Securityfocushttp://www.securityfocus.com/bid/108884Broken Link
Frequently asked questions
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What is CVE-2019-12817?
CVE-2019-12817 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as an Out-of-bounds Write flaw (CWE-787) . CVE-2019-12817 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2019-12817?
CVE-2019-12817 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2019-12817?
Monitor the NIST NVD and your Linux distribution's security advisories for CVE-2019-12817 patch availability.
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Is CVE-2019-12817 actively exploited?
No. CVE-2019-12817 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.