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.
References
| Link | Resource |
|---|---|
| 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 |
| https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4 | Patch Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2022/04/07/1 | Exploit Mailing List 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 |
| https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4 | Patch Third Party Advisory |
| https://www.openwall.com/lists/oss-security/2022/04/07/1 | Exploit Mailing List Third Party Advisory |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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History
21 Nov 2024, 06:40
| Type | Values Removed | Values Added |
|---|---|---|
| References | () https://access.redhat.com/security/cve/CVE-2022-1263 - Third Party Advisory | |
| References | () https://bugzilla.redhat.com/show_bug.cgi?id=2072698 - Issue Tracking, Patch, Third Party Advisory | |
| References | () https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4 - Patch, Third Party Advisory | |
| References | () https://www.openwall.com/lists/oss-security/2022/04/07/1 - Exploit, Mailing List, Third Party Advisory |
Information
Published : 2022-08-31 16:15
Updated : 2024-11-21 06:40
NVD link : CVE-2022-1263
Mitre link : CVE-2022-1263
CVE.ORG link : CVE-2022-1263
JSON object : View
Products Affected
linux
- linux_kernel
redhat
- enterprise_linux
CWE
CWE-476
NULL Pointer Dereference