CVE-2020-29368
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.
- Score
- CVSS 3.1 7.0 High
- Status
- Modified - cve@mitre.org
- Published
- 2020-11-28
- Last modified
- 2024-08-04
- Weaknesses
- CWE-362
Affected products
- Linux Kernel (Linux)
- Cloud Backup (Netapp)
- Element Software (Netapp)
- H410c Firmware (Netapp)
- Hci Bootstrap Os (Netapp)
- Hci Management Node (Netapp)
- Solidfire (Netapp)
References
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2045
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.5
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c444eb564fb16645c172d550359cb3d75fe8a040
- https://security.netapp.com/advisory/ntap-20210108-0002/