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.
CVSS Details
- CVSS 3.1 Base Score: 7
- CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade kernel-tools-libs-devel | May 4, 2022 | Nov 28, 2020 |
| Centos_linux | — | Upgrade kernel-rtUpgrade kernel | Nov 10, 2021 | Nov 28, 2020 |
| Debian | — | Upgrade linux | Jul 30, 2024 | Nov 28, 2020 |
| Huawei Euleros 2_0_sp8 | — | Upgrade perfUpgrade kernel-sourceUpgrade kernel-tools-libsUpgrade python3-perfUpgrade bpftoolUpgrade kernel-develUpgrade kernelUpgrade kernel-headersUpgrade python-perfUpgrade kernel-tools | Dec 15, 2020 | Nov 28, 2020 |
| Huawei Euleros 2_0_sp9 | — | Upgrade kernel-toolsUpgrade python3-perfUpgrade kernel-tools-libsUpgrade kernel | Jan 5, 2021 | Nov 28, 2020 |
| Oracle_linux | — | Upgrade kernel | Nov 18, 2021 | Jun 3, 2020 |
| Redhat_linux | — | Upgrade kernel-rtUpgrade kernel | Nov 10, 2021 | Nov 28, 2020 |
| Suse | — | Upgrade ocfs2-kmp-defaultUpgrade gfs2-kmp-defaultUpgrade kernel-defaultUpgrade dlm-kmp-defaultUpgrade kernel-obs-buildUpgrade kernel-default-extraUpgrade kernel-docsUpgrade cluster-md-kmp-default | Mar 9, 2021 | Nov 28, 2020 |
| Ubuntu | — | Upgrade linux-image-5.6.0-1048-oemUpgrade linux-image-oem-20.04 | Feb 26, 2021 | Nov 28, 2020 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Nov 28, 2020 |
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