CVE-2022-1263

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.

CVSS v3.0 5.5 MEDIUM

5.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://www.openwall.com/lists/oss-security/2022/04/07/1	Exploit Mailing List Third Party Advisory
https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4	Patch Third Party Advisory
https://access.redhat.com/security/cve/CVE-2022-1263	Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2072698	Issue Tracking Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel:5.18:rc1::::::
	cpe:2.3:o:linux:linux_kernel:5.18:rc2::::::
	cpe:2.3:o:linux:linux_kernel::::::::

Configuration 2 (hide)

OR	cpe:2.3:o:redhat:enterprise_linux:8.0:::::::*
	cpe:2.3:o:redhat:enterprise_linux:9.0:::::::*

Information

Published : 2022-08-31 09:15

Updated : 2022-09-07 06:11

NVD link : CVE-2022-1263

Mitre link : CVE-2022-1263

JSON object : View

CWE

CWE-476

NULL Pointer Dereference

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Products Affected

redhat

enterprise_linux

linux

linux_kernel

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