Disclosure summary
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.
Source-reported weakness categories
CWE-362, CWE-863
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2020-29374
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| linux | linux_kernel | * {"versionEndExcluding":"5.7.3"} |
| debian | debian_linux | 9.0 |
| debian | debian_linux | 10.0 |
| netapp | 500f_firmware | - |
| netapp | a250_firmware | - |
| netapp | h410c_firmware | - |
| netapp | solidfire_&_hci_management_node | - |
| netapp | solidfire_&_hci_storage_node | - |
| netapp | hci_compute_node_bios | - |
Original records & references
- NIST NVD record
- CVE Program record
- bugs.chromium.org — Exploit, Issue Tracking, Third Party Advisory
- cdn.kernel.org — Release Notes, Third Party Advisory, Vendor Advisory
- git.kernel.org — Patch, Vendor Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- security.netapp.com — Third Party Advisory
- www.debian.org — Third Party Advisory
- bugs.chromium.org — Exploit, Issue Tracking, Third Party Advisory
- cdn.kernel.org — Release Notes, Third Party Advisory, Vendor Advisory
- git.kernel.org — Patch, Vendor Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- lists.debian.org — Mailing List, Third Party Advisory
- security.netapp.com — Third Party Advisory
- www.debian.org — Third Party Advisory
PUBLISHED 2020-11-28T02:15:11-05:00
MODIFIED 2026-10-08T17:17:27-04:00
INGESTED 2026-10-10T20:50:19-04:00