CVE-2020-29374 | 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.
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.
- 🔗 bugs.chromium.org/p/project-zero/issues/detail
- 🔗 cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.7.3
- 🔗 git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.g…
- 🔗 security.netapp.com/advisory/ntap-20210115-0002/
- 🔗 packetstormsecurity.com/files/162117/Kernel-Live-Patch-Security-N…
- 🔗 lists.debian.org/debian-lts-announce/2021/06/msg00020.html
- 🔗 lists.debian.org/debian-lts-announce/2021/06/msg00019.html
- 🔗 lists.debian.org/debian-lts-announce/2022/03/msg00012.html
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CVE-2020-29374 | 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.
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