An issue was discovered in the Linux kernel before 5.7.3, related to mm/gup.c and mm/huge_memory.c. The get_user_pages (aka gup) implementation, when used for a copy-on-write page, does not properly consider the semantics of read operations and therefore can grant unintended write access, aka CID-17839856fd58.
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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 | 5.7.3 | - |
| debian | debian_linux | - | - |
| debian | debian_linux | - |
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:L/I:L/A:N
9
Affected Products
18
References
linux / linux_kernel
| - |
| netapp | 500f_firmware | - | - |
| netapp | a250_firmware | - | - |
| netapp | h410c_firmware | - | - |
| netapp | solidfire_\&_hci_management_node | - | - |
| netapp | solidfire_\&_hci_storage_node | - | - |
| netapp | hci_compute_node_bios | - | - |
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N
Exploitability
Impact