{"id":"CVE-2020-29374","revision":"d3312f21633746678fa219f84ed23585","records":[{"revision":"d3312f21633746678fa219f84ed23585","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2020-29374","aliases":[],"title":"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…","description":"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.","state":0,"publishedAt":"2020-11-28T06:18:56+00:00","modifiedAt":"2026-10-08T21:03:18.31+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"n/a\",\n                    \"vendor\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"status\": \"affected\",\n                            \"version\": \"n/a\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://bugs.chromium.org/p/project-zero/issues/detail?id=2045","https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.3","https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=17839856fd588f4ab6b789f482ed3ffd7c403e1f","https://security.netapp.com/advisory/ntap-20210115-0002/","http://packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-Notice-LSN-0075-1.html","https://lists.debian.org/debian-lts-announce/2021/06/msg00020.html","https://lists.debian.org/debian-lts-announce/2021/06/msg00019.html","https://lists.debian.org/debian-lts-announce/2022/03/msg00012.html","https://www.debian.org/security/2022/dsa-5096"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2020-29374","license":"CVE Program Terms of Use","key":"cve-program:CVE-2020-29374","identifiers":["CVE-2020-29374"]},"retained":false,"historicalAffected":[]}],"coverage":[]}