CVE-2022-1263
KVM NULL Pointer Dereference Denial of Service
Description
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.
INFO
Published Date :
Aug. 31, 2022, 4:15 p.m.
Last Modified :
Nov. 21, 2024, 6:40 a.m.
Source :
[email protected]
Remotely Exploitable :
No
Impact Score :
3.6
Exploitability Score :
1.8
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2022-1263.
| URL | 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 |
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2022-1263 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2022-1263 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by af854a3a-2127-422b-91ae-364da2661108
Nov. 21, 2024
Action Type Old Value New Value Added Reference https://access.redhat.com/security/cve/CVE-2022-1263 Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=2072698 Added Reference https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4 Added Reference https://www.openwall.com/lists/oss-security/2022/04/07/1 -
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
Initial Analysis by [email protected]
Sep. 07, 2022
Action Type Old Value New Value Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H Changed Reference Type https://access.redhat.com/security/cve/CVE-2022-1263 No Types Assigned https://access.redhat.com/security/cve/CVE-2022-1263 Third Party Advisory Changed Reference Type https://bugzilla.redhat.com/show_bug.cgi?id=2072698 No Types Assigned https://bugzilla.redhat.com/show_bug.cgi?id=2072698 Issue Tracking, Patch, Third Party Advisory Changed Reference Type https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4 No Types Assigned https://github.com/torvalds/linux/commit/5593473a1e6c743764b08e3b6071cb43b5cfa6c4 Patch, Third Party Advisory Changed Reference Type https://www.openwall.com/lists/oss-security/2022/04/07/1 No Types Assigned https://www.openwall.com/lists/oss-security/2022/04/07/1 Exploit, Mailing List, Third Party Advisory Added CWE NIST CWE-476 Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 5.18 *cpe:2.3:o:linux:linux_kernel:5.18:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.18:rc2:*:*:*:*:*:* Added CPE Configuration OR *cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:* *cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2022-1263 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2022-1263
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
0.04 }} 0.00%
score
0.05635
percentile