Unchecked Return Value Affecting kernel-doc package, versions *
Threat Intelligence
EPSS
0.05% (16th
percentile)
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Test your applications- Snyk ID SNYK-RHEL7-KERNELDOC-1768889
- published 29 Oct 2021
- disclosed 25 Oct 2021
Introduced: 25 Oct 2021
CVE-2021-43056 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:7
kernel-doc
.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-doc
package and not the kernel-doc
package as distributed by RHEL
.
See How to fix?
for RHEL:7
relevant fixed versions and status.
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.
References
- https://access.redhat.com/security/cve/CVE-2021-43056
- https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15
- https://git.kernel.org/linus/cdeb5d7d890e14f3b70e8087e745c4a6a7d9f337
- https://lore.kernel.org/linuxppc-dev/87pmrtbbdt.fsf@mpe.ellerman.id.au/T/#u
- http://www.openwall.com/lists/oss-security/2021/10/28/1
- https://access.redhat.com/errata/RHSA-2022:1988
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AA7EAPPKWG4LMTQQLNNSKATY6ST2KQFE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/BBM4FP3IT3JZ2O7EBS7TEOG657N4ZGRE/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/RRAIS3PG4EV5WFLYESR6FXWM4BJJGWVA/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AA7EAPPKWG4LMTQQLNNSKATY6ST2KQFE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BBM4FP3IT3JZ2O7EBS7TEOG657N4ZGRE/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/RRAIS3PG4EV5WFLYESR6FXWM4BJJGWVA/
- https://lore.kernel.org/linuxppc-dev/87pmrtbbdt.fsf%40mpe.ellerman.id.au/T/#u
CVSS Scores
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