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cvelistMitreCVELIST:CVE-2018-18281
HistoryOct 30, 2018 - 6:00 p.m.

CVE-2018-18281

2018-10-3018:00:00
mitre
www.cve.org
2

6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

44.5%

JSON

Since Linux kernel version 3.2, the mremap() syscall performs TLB flushes after dropping pagetable locks. If a syscall such as ftruncate() removes entries from the pagetables of a task that is in the middle of mremap(), a stale TLB entry can remain for a short time that permits access to a physical page after it has been released back to the page allocator and reused. This is fixed in the following kernel versions: 4.9.135, 4.14.78, 4.18.16, 4.19.

References

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6.3 Medium

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

44.5%

JSON
Related for CVELIST:CVE-2018-18281
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