CVE-2021-43056
Summary
| CVE | CVE-2021-43056 |
|---|---|
| State | PUBLIC |
| Assigner | [email protected] |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2021-10-28 04:15:00 UTC |
| Updated | 2023-11-07 03:39:00 UTC |
| Description | An issue was discovered in the Linux kernel for powerpc before 5.14.15. It allows a malicious KVM guest to crash the host, when the host is running on Power8, due to an arch/powerpc/kvm/book3s_hv_rmhandlers.S implementation bug in the handling of the SRR1 register values. |
Risk And Classification
Problem Types: NVD-CWE-noinfo
NVD Known Affected Configurations (CPE 2.3)
| Type | Vendor | Product | Version | Update | Edition | Language |
|---|---|---|---|---|---|---|
| Operating System | Fedoraproject | Fedora | 33 | All | All | All |
| Operating System | Fedoraproject | Fedora | 34 | All | All | All |
| Operating System | Fedoraproject | Fedora | 35 | All | All | All |
| Operating System | Linux | Linux Kernel | All | All | All | All |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| oss-security - Re: Linux kernel: powerpc: KVM guest can trigger host crash on Power8 | MLIST | www.openwall.com | |
| [SECURITY] Fedora 33 Update: kernel-5.14.15-100.fc33 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| kernel/git/torvalds/linux.git - Linux kernel source tree | MISC | git.kernel.org | |
| [SECURITY] Fedora 35 Update: kernel-5.14.15-300.fc35 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| [SECURITY] Fedora 33 Update: kernel-5.14.15-100.fc33 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| Linux kernel: powerpc: KVM guest can trigger host crash on Power8 | MISC | lore.kernel.org | |
| [SECURITY] Fedora 34 Update: kernel-5.14.15-200.fc34 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15 | MISC | cdn.kernel.org | |
| Linux kernel: powerpc: KVM guest can trigger host crash on Power8 | lore.kernel.org | ||
| [SECURITY] Fedora 34 Update: kernel-5.14.15-200.fc34 - package-announce - Fedora Mailing-Lists | FEDORA | lists.fedoraproject.org | |
| [SECURITY] Fedora 35 Update: kernel-5.14.15-300.fc35 - package-announce - Fedora Mailing-Lists | lists.fedoraproject.org | ||
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
Legacy QID Mappings
- 159825 Oracle Enterprise Linux Security Update for kernel (ELSA-2022-1988)
- 179695 Debian Security Update for linux (CVE-2021-43056)
- 198569 Ubuntu Security Notification for Linux kernel (OEM 5.10) Vulnerabilities (USN-5139-1)
- 198589 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5165-1)
- 198618 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5210-1)
- 198621 Ubuntu Security Notification for Linux kernel Vulnerabilities (USN-5208-1)
- 198627 Ubuntu Security Notification for Linux kernel (OEM) Vulnerabilities (USN-5218-1)
- 240298 Red Hat Update for kernel security (RHSA-2022:1988)
- 282035 Fedora Security Update for kernel (FEDORA-2021-4320606094)
- 282036 Fedora Security Update for kernel (FEDORA-2021-4fed2b55c4)
- 751336 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1460-1)
- 751342 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3641-1)
- 751346 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3655-1)
- 751349 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1477-1)
- 751353 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:3675-1)
- 940517 AlmaLinux Security Update for kernel (ALSA-2022:1988)