5.5

CVE-2021-43056

EPSS 0.02%
Published 28.10.2021 04:15:08
Last modified 21.11.2024 06:28:36
Source cve@mitre.org
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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.

Affected products Warnungen 0 Metrics 3 CWE 0 References 10

Data is provided by the National Vulnerability Database (NVD)

Linux ≫ Linux Kernel Version >= 5.2 < 5.4.15

Fedoraproject ≫ Fedora Version33

Fedoraproject ≫ Fedora Version34

Fedoraproject ≫ Fedora Version35

Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.02%	0.049

CVSS Metriken
Source	Base Score	Exploit Score	Impact Score	Vector string
nvd@nist.gov	5.5	1.8	3.6	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
nvd@nist.gov	4.9	3.9	6.9	AV:L/AC:L/Au:N/C:N/I:N/A:C

http://www.openwall.com/lists/oss-security/2021/10/28/1

Patch

Third Party Advisory

Mailing List

https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14.15

Vendor Advisory

Release Notes

https://git.kernel.org/linus/cdeb5d7d890e14f3b70e8087e745c4a6a7d9f337

Patch

Vendor Advisory

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

https://nvd.nist.gov/vuln/detail/CVE-2021-43056

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2021-43056

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2021-43056

EUVD