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 |
Configurations
Configuration 1 (hide)
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Configuration 2 (hide)
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History
07 Sep 2022, 13:11
| Type | Values Removed | Values Added |
|---|---|---|
| CPE | cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:* cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:* cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* |
|
| CVSS |
v2 : v3 : |
v2 : unknown
v3 : 5.5 |
| References | (MISC) https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4 - Patch, Third Party Advisory | |
| References | (MISC) https://bugzilla.redhat.com/show_bug.cgi?id=2072698 - Issue Tracking, Patch, Third Party Advisory | |
| References | (MISC) https://access.redhat.com/security/cve/CVE-2022-1263 - Third Party Advisory | |
| References | (MISC) https://www.openwall.com/lists/oss-security/2022/04/07/1 - Exploit, Mailing List, Third Party Advisory | |
| CWE | CWE-476 |
31 Aug 2022, 16:53
| Type | Values Removed | Values Added |
|---|---|---|
| New CVE |
Information
Published : 2022-08-31 16:15
Updated : 2024-02-04 22:51
NVD link : CVE-2022-1263
Mitre link : CVE-2022-1263
CVE.ORG link : CVE-2022-1263
JSON object : View
Products Affected
redhat
- enterprise_linux
linux
- linux_kernel
CWE
CWE-476
NULL Pointer Dereference