CVE-2022-0995

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Summary

CVECVE-2022-0995
StatePUBLISHED
Assignerredhat
Source PriorityCVE Program / NVD first with legacy fallback
Published2022-03-25 19:15:10 UTC
Updated2026-08-27 04:16:39 UTC
DescriptionAn out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem. This flaw can overwrite parts of the kernel state, potentially allowing a local user to gain privileged access or cause a denial of service on the system.

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

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

EPSS: 0.094410000 probability, percentile 0.952560000 (date 2026-09-21)

CISA KEV: Listed on 2026-08-26; due 2026-09-09; ransomware use Unknown

Problem Types: CWE-787 | CWE-787 CWE-787

VersionSourceTypeScoreSeverityVector
3.1[email protected]Primary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1ADPDECLARED7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
3.1134c704f-9b21-4f2e-91b3-4a467353bcc0Secondary7.8HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
2.0[email protected]Primary7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

CVSS v2.0 Breakdown

Access Vector
Local
Access Complexity
Low
Authentication
None
Confidentiality
Complete
Integrity
Complete
Availability
Complete

AV:L/AC:L/Au:N/C:C/I:C/A:C

CISA Known Exploited Vulnerability

VendorLinux
ProductKernel
NameLinux Kernel Out-of-Bounds Write Vulnerability
Required ActionApply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.
NotesThis vulnerability affects an open-source component, third-party library, protocol, or proprietary implementation that could be used by different products. For more information, please see: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=93ce93587d36493f2f86921fa79921b3cba63fbb ; BOD 26-04: https://www.cisa.gov/news-events/directives/bod-26-04-prioritizing-security-updates-based-risk ; Forensics Triage Requirements: https://www.cisa.gov/news-events/directives/bod-26-04-implementation-guidance-prioritizing-security-updates-based-risk ; https://nvd.nist.gov/vuln/detail/CVE-2022-0995

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Na Kernel affected kernel 5.17 rc8 Not specified

References

ReferenceSourceLinkTags
2063786 – (CVE-2022-0995) CVE-2022-0995 kernel: kernel bug in the watch_queue subsystem af854a3a-2127-422b-91ae-364da2661108 bugzilla.redhat.com Issue Tracking, Patch, Third Party Advisory
Linux watch_queue Filter Out-Of-Bounds Write ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Exploit, Third Party Advisory, VDB Entry
Watch Queue Out-Of-Bounds Write ≈ Packet Storm af854a3a-2127-422b-91ae-364da2661108 packetstormsecurity.com Exploit, Third Party Advisory, VDB Entry
March 2022 Linux Kernel Vulnerabilities in NetApp Products | NetApp Product Security af854a3a-2127-422b-91ae-364da2661108 security.netapp.com Third Party Advisory
kernel/git/torvalds/linux.git - Linux kernel source tree af854a3a-2127-422b-91ae-364da2661108 git.kernel.org Patch, Vendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalog 134c704f-9b21-4f2e-91b3-4a467353bcc0 www.cisa.gov US Government Resource
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis
CISA Known Exploited Vulnerabilities catalog CISA www.cisa.gov kev

Additional Advisory Data

SourceTimeEvent
ADP2026-08-26T00:00:00.000ZCVE-2022-0995 added to CISA KEV

Legacy QID Mappings

  • 179230 Debian Security Update for linux (CVE-2022-0995)
  • 282491 Fedora Security Update for kernel (FEDORA-2022-9342e59a98)
  • 282492 Fedora Security Update for kernel (FEDORA-2022-de4474b89d)
  • 376925 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0125)
  • 377124 Alibaba Cloud Linux Security Update for cloud-kernel (ALINUX3-SA-2022:0029)
  • 610432 Google Pixel Android August 2022 Security Patch Missing
  • 900783 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9151)
  • 901275 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9152-1)
  • 901347 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9151-1)
  • 906197 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9151-2)
  • 906483 Common Base Linux Mariner (CBL-Mariner) Security Update for kernel (9152-2)

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