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.
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No Fix Known
No patch has been released yet. Apply workarounds or mitigations where available.
| Vendor | Product | Versions | Fixed In |
|---|---|---|---|
| linux | linux_kernel | 4.5.5 - 4.9.228 | - |
| linux | linux_kernel | 4.10 - 4.14.185 | - |
| linux | linux_kernel | 4.15 - 4.19.129 |
Published
CVE disclosed publicly
Last Modified
Most recent update
Indexed to CVEInsight
Added to this platform
AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
11
Affected Products
8
References
linux / linux_kernel
| - |
| linux | linux_kernel | 4.20 - 5.4.48 | - |
| linux | linux_kernel | 5.5 - 5.7.5 | - |
| netapp | cloud_backup | - | - |
| netapp | element_software | - | - |
| netapp | hci_management_node | - | - |
| netapp | solidfire | - | - |
| netapp | hci_bootstrap_os | - | - |
| netapp | h410c_firmware | - | - |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Exploitability
Impact