Is CVE-2022-1263 in the CISA KEV catalog?

No. CVE-2022-1263 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2022-1263?

CVE-2022-1263 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2022-1263?

CVE-2022-1263 has an EPSS score of 0.42% (34th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2022-1263?

Upgrade linux on debian 12 to 5.17.3-1 or later. Fixes are available for 50 affected products.

CVE & CISA-KEV Catalog

CVE-2022-1263

MEDIUM

5.5

CVSS v3

NVD

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.

CWE-476NULL Pointer Dereference

How to fix

Remediation Available

linuxDebian

Fixed in:5.17.3-1CVE-2022-1263

linuxUbuntu

Fixed in:5.15.0-37.39USN-5469-1

linux-awsUbuntu

Fixed in:5.15.0-1011.14USN-5469-1

linux-azureUbuntu

Fixed in:5.15.0-1010.12USN-5469-1

linux-gcpUbuntu

Fixed in:5.15.0-1008.12USN-5469-1

linux-gkeUbuntu

Fixed in:5.15.0-1008.10USN-5469-1

linux-ibmUbuntu

Fixed in:5.15.0-1007.8USN-5469-1

linux-image-5.15.0-1007-ibmUbuntu

Fixed in:5.15.0-1007.8USN-5469-1

linux-image-5.15.0-1008-gcpUbuntu

Fixed in:5.15.0-1008.12USN-5469-1

linux-image-5.15.0-1008-gkeUbuntu

Fixed in:5.15.0-1008.10USN-5469-1

linux-image-5.15.0-1008-intel-iotgUbuntu

Fixed in:5.15.0-1008.11USN-5469-1

linux-image-5.15.0-1009-oracleUbuntu

Fixed in:5.15.0-1009.12USN-5469-1

linux-image-5.15.0-1010-azureUbuntu

Fixed in:5.15.0-1010.12USN-5469-1

linux-image-5.15.0-1010-kvmUbuntu

Fixed in:5.15.0-1010.11USN-5469-1

linux-image-5.15.0-1011-awsUbuntu

Fixed in:5.15.0-1011.14USN-5469-1

linux-image-5.15.0-1011-raspiUbuntu

Fixed in:5.15.0-1011.13USN-5469-1

linux-image-5.15.0-1011-raspi-nolpaeUbuntu

Fixed in:5.15.0-1011.13USN-5469-1

linux-image-5.15.0-37-genericUbuntu

Fixed in:5.15.0-37.39USN-5469-1

linux-image-5.15.0-37-generic-64kUbuntu

Fixed in:5.15.0-37.39USN-5469-1

linux-image-5.15.0-37-generic-lpaeUbuntu

Fixed in:5.15.0-37.39USN-5469-1

linux-image-5.15.0-37-lowlatencyUbuntu

Fixed in:5.15.0-37.39USN-5469-1

linux-image-5.15.0-37-lowlatency-64kUbuntu

Fixed in:5.15.0-37.39USN-5469-1

linux-image-awsUbuntu

Fixed in:5.15.0.1011.12USN-5469-1

linux-image-azureUbuntu

Fixed in:5.15.0.1010.10USN-5469-1

linux-image-gcpUbuntu

Fixed in:5.15.0.1008.8USN-5469-1

linux-image-genericUbuntu

Fixed in:5.15.0.37.39USN-5469-1

linux-image-generic-64kUbuntu

Fixed in:5.15.0.37.39USN-5469-1

linux-image-generic-hwe-22.04Ubuntu

Fixed in:5.15.0.37.39USN-5469-1

linux-image-generic-lpaeUbuntu

Fixed in:5.15.0.37.39USN-5469-1

linux-image-generic-lpae-hwe-22.04Ubuntu

Fixed in:5.15.0.37.39USN-5469-1

linux-image-gkeUbuntu

Fixed in:5.15.0.1008.12USN-5469-1

linux-image-gke-5.15Ubuntu

Fixed in:5.15.0.1008.12USN-5469-1

linux-image-ibmUbuntu

Fixed in:5.15.0.1007.7USN-5469-1

linux-image-intel-iotgUbuntu

Fixed in:5.15.0.1008.9USN-5469-1

linux-image-kvmUbuntu

Fixed in:5.15.0.1010.9USN-5469-1

linux-image-lowlatencyUbuntu

Fixed in:5.15.0.37.37USN-5469-1

linux-image-lowlatency-64kUbuntu

Fixed in:5.15.0.37.37USN-5469-1

linux-image-lowlatency-64k-hwe-22.04Ubuntu

Fixed in:5.15.0.37.37USN-5469-1

linux-image-lowlatency-hwe-22.04Ubuntu

Fixed in:5.15.0.37.37USN-5469-1

linux-image-oem-20.04Ubuntu

Fixed in:5.15.0.37.39USN-5469-1

linux-image-oracleUbuntu

Fixed in:5.15.0.1009.8USN-5469-1

linux-image-raspiUbuntu

Fixed in:5.15.0.1011.10USN-5469-1

linux-image-raspi-nolpaeUbuntu

Fixed in:5.15.0.1011.10USN-5469-1

linux-image-virtualUbuntu

Fixed in:5.15.0.37.39USN-5469-1

linux-image-virtual-hwe-22.04Ubuntu

Fixed in:5.15.0.37.39USN-5469-1

linux-intel-iotgUbuntu

Fixed in:5.15.0-1008.11USN-5469-1

linux-kvmUbuntu

Fixed in:5.15.0-1010.11USN-5469-1

linux-lowlatencyUbuntu

Fixed in:5.15.0-37.39USN-5469-1

linux-oracleUbuntu

Fixed in:5.15.0-1009.12USN-5469-1

linux-raspiUbuntu

Fixed in:5.15.0-1011.13USN-5469-1

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityNone

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Exploit Intelligence

0.42%probability of exploitation in 30 days

34thpercentile

Low risk: more likely to be exploited than 34% of all known CVEs.

References

Patch2

Exploit1

openwall.com

Third-Party Advisory1

access.redhat.com

Related Vulnerabilities

Other CWE-476 (NULL Pointer Dereference) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2023-21758	High	7.5	92%	-	Fix
CVE-2023-21547	High	7.5	88%	-	Fix
CVE-2014-3470	Medium	4.3	86%	-	Fix
CVE-2021-44224	High	8.2	82%	-	Fix
CVE-2016-0742	High	7.5	82%	-	Fix
CVE-2009-1386	Medium	5.0	80%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2024-11-21.