CVE-2022-0171
First published: Mon Jan 10 2022(Updated: )
A flaw was found in the Linux kernel. The existing KVM SEV API has a vulnerability that allows a non-root (host) user-level application to crash the host kernel by creating a confidential guest VM instance in AMD CPU that supports Secure Encrypted Virtualization (SEV).
Credit: secalert@redhat.com secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | <5.18 | |
| Linux Linux kernel | =5.18 | |
| Linux Linux kernel | =5.18-rc1 | |
| Linux Linux kernel | =5.18-rc2 | |
| Linux Linux kernel | =5.18-rc3 | |
| Redhat Enterprise Linux | =8.0 | |
| Redhat Enterprise Linux | =9.0 | |
| Debian Debian Linux | =10.0 | |
| Debian Debian Linux | =11.0 | |
| redhat/kernel | <5.18 | 5.18 |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.119-1 6.11.10-1 6.12.5-1 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2022-0171
- https://bugzilla.redhat.com/show_bug.cgi?id=2038940
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=683412ccf61294d727ead4a73d97397396e69a6b
- https://lists.debian.org/debian-lts-announce/2022/11/msg00001.html
- https://www.debian.org/security/2022/dsa-5257
- https://launchpad.net/bugs/cve/CVE-2022-0171
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=bb4ce2c65881a2b9bdcd384f54a260a12a89dd91
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2084659
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2038940#c0
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/
- http://lkml.iu.edu/hypermail/linux/kernel/2010.1/05072.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-0171
- https://nvd.nist.gov/vuln/detail/CVE-2022-0171
- https://security-tracker.debian.org/tracker/CVE-2022-0171
- https://ubuntu.com/security/CVE-2022-0171
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