CVE-2021-38198
First published: Sun Aug 08 2021(Updated: )
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.
Credit: cve@mitre.org cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <5.12.11 | |
| Debian Debian Linux | =9.0 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.12.5-1 6.12.6-1 |
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Reference Links
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.12.11
- https://github.com/torvalds/linux/commit/b1bd5cba3306691c771d558e94baa73e8b0b96b7
- https://lists.debian.org/debian-lts-announce/2021/10/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/12/msg00012.html
- https://launchpad.net/bugs/cve/CVE-2021-38198
- https://git.kernel.org/linus/b1bd5cba3306691c771d558e94baa73e8b0b96b7
- https://security-tracker.debian.org/tracker/CVE-2021-38198
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-38198
- https://nvd.nist.gov/vuln/detail/CVE-2021-38198
- https://ubuntu.com/security/CVE-2021-38198
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