CVE-2021-38198
5.5 MEDIUMarch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading t...
Published: 2021-08-08 · Last updated: 2026-06-17
Severity and scoring
- CVSS
- 5.5 MEDIUM
- Vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected products
| Vendor | Product |
|---|---|
| debian | debian_linux, linux_kernel |
| linux | debian_linux, linux_kernel |
Description
arch/x86/kvm/mmu/paging_tmpl.h in the Linux kernel before 5.12.11 incorrectly computes the access permissions of a shadow page, leading to a missing guest protection page fault.
Source: NVD
References
- [NVD]https://nvd.nist.gov/vuln/detail/CVE-2021-38198
- [Patch]https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11
- [Patch]https://github.com/torvalds/linux/commit/b1bd5cba3306691c771d558e94baa73e8b0b96b7
- [Other]https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- [Other]https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- [Patch]https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11
- [Patch]https://github.com/torvalds/linux/commit/b1bd5cba3306691c771d558e94baa73e8b0b96b7
- [Other]https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- [Other]https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
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