5.5

CVE-2022-1263

Exploit

EPSS 0.06%
Published 31.08.2022 16:15:09
Last modified 21.11.2024 06:40:22
Source secalert@redhat.com
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A NULL pointer dereference issue was found in KVM when releasing a vCPU with dirty ring support enabled. This flaw allows an unprivileged local attacker on the host to issue specific ioctl calls, causing a kernel oops condition that results in a denial of service.

Affected products Warnungen 0 Metrics 2 CWE 1 References 7

Data is provided by the National Vulnerability Database (NVD)

Linux ≫ Linux Kernel Version < 5.18

Linux ≫ Linux Kernel Version5.18 Updaterc1

Linux ≫ Linux Kernel Version5.18 Updaterc2

Redhat ≫ Enterprise Linux Version8.0

Redhat ≫ Enterprise Linux Version9.0

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

EPSS Metriken
Type	Source	Score	Percentile
EPSS	FIRST.org	0.06%	0.173

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

CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://access.redhat.com/security/cve/CVE-2022-1263

Third Party Advisory

https://bugzilla.redhat.com/show_bug.cgi?id=2072698

Patch

Third Party Advisory

Issue Tracking

https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4

Patch

Third Party Advisory

https://www.openwall.com/lists/oss-security/2022/04/07/1

Third Party Advisory

Exploit

Mailing List

https://nvd.nist.gov/vuln/detail/CVE-2022-1263

CVE Source (NVD)

https://cveawg.mitre.org/api/cve/CVE-2022-1263

CVE Source (JSON)

https://euvd.enisa.europa.eu/vulnerability/CVE-2022-1263

EUVD