AI Score
Confidence
High
EPSS
Percentile
34.4%
An issue was discovered in __split_huge_pmd in mm/huge_memory.c in the Linux kernel before 5.7.5. The copy-on-write implementation can grant unintended write access because of a race condition in a THP mapcount check, aka CID-c444eb564fb1.
bugs.chromium.org/p/project-zero/issues/detail?id=2045
cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040
security.netapp.com/advisory/ntap-20210108-0002/