CVE-2022-0995

Aliases:UBUNTU-CVE-2022-0995DEBIAN-CVE-2022-0995
Advisory lineage Upstream: 0 Downstream: 19
Analyzed
Published: 25 Mar 2022, 18:03
Last modified:27 Aug 2026, 03:56

Vulnerability Summary

Overall Risk (default)
medium
43/100
CVSS Score
7.8 HIGH
v3.1 (nvd)
EPSS Score
9.52% LOW
10% probability -10.99%
KEV
Listed
CISA
1 listing
Ransomware
No reports
Public exploits
3 found
Dark Web
Not detected

Timeline

25 Mar 2022, 18:03
Published
Vulnerability first disclosed
26 Aug 2026, 00:00
Added to CISA KEV
Linux Kernel Out-of-Bounds Write Vulnerability
27 Aug 2026, 03:56
Last Modified
Vulnerability information updated
09 Sept 2026, 00:00
CISA Remediation Due
Apply 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.

Description

An 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.

CVSS Metrics

  • v3.1•HIGH•Score: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • v2.0•HIGH•Score: 7.2AV:L/AC:L/Au:N/C:C/I:C/A:C

EPSS Trends

Current EPSS score: 9.52%• Percentile: 95%

Techniques & Countermeasures

  • CWE-787•Out-of-bounds Write

    The product writes data past the end, or before the beginning, of the intended buffer.

Affected Systems

  • debian•linux

    < 5.10.106-1 | < 5.16.18-1 | < 5.16.18-1 | < 5.16.18-1

  • ubuntu•linux

    < 5.15.0-138.148

  • ubuntu•linux-allwinner-5.19

    all

  • ubuntu•linux-aws

    < 5.15.0-1082.89

  • ubuntu•linux-aws-5.0

    all

  • ubuntu•linux-aws-5.11

    all

  • ubuntu•linux-aws-5.13

    all

  • ubuntu•linux-aws-5.15

    < 5.15.0-1082.89~20.04.1

  • ubuntu•linux-aws-5.19

    all

  • ubuntu•linux-aws-5.3

    all

  • ubuntu•linux-aws-5.8

    all

  • ubuntu•linux-aws-fips

    all | < 5.15.0-1082.89+fips1

  • ubuntu•linux-azure

    all | < 5.15.0-1087.96

  • ubuntu•linux-azure-5.11

    all

  • ubuntu•linux-azure-5.13

    all

  • ubuntu•linux-azure-5.15

    < 5.15.0-1087.96~20.04.1

  • ubuntu•linux-azure-5.19

    all

  • ubuntu•linux-azure-5.3

    all

  • ubuntu•linux-azure-5.8

    all

  • ubuntu•linux-azure-edge

    all

  • ubuntu•linux-azure-fde

    < 5.15.0-1087.96.1

  • ubuntu•linux-azure-fde-5.15

    < 5.15.0-1114.123~20.04.1

  • ubuntu•linux-azure-fde-5.19

    all

  • ubuntu•linux-azure-fips

    all | < 5.15.0-1087.96+fips1

  • ubuntu•linux-bluefield

    all | < 5.15.0-1064.66

  • ubuntu•linux-fips

    all | < 5.15.0-138.148+fips1

  • ubuntu•linux-gcp

    all | < 5.15.0-1081.90

  • ubuntu•linux-gcp-5.11

    all

  • ubuntu•linux-gcp-5.13

    all

  • ubuntu•linux-gcp-5.15

    < 5.15.0-1081.90~20.04.1

  • ubuntu•linux-gcp-5.19

    all

  • ubuntu•linux-gcp-5.3

    all

  • ubuntu•linux-gcp-5.8

    all

  • ubuntu•linux-gcp-fips

    all | < 5.15.0-1081.90+fips1

  • ubuntu•linux-gke

    < 5.15.0-1079.85

  • ubuntu•linux-gke-4.15

    all

  • ubuntu•linux-gke-5.15

    all

  • ubuntu•linux-gkeop

    < 5.15.0-1064.72

  • ubuntu•linux-gkeop-5.15

    all

  • ubuntu•linux-hwe

    all

  • ubuntu•linux-hwe-5.11

    all

  • ubuntu•linux-hwe-5.13

    all

  • ubuntu•linux-hwe-5.15

    < 5.15.0-138.148~20.04.1

  • ubuntu•linux-hwe-5.19

    all

  • ubuntu•linux-hwe-5.8

    all

  • ubuntu•linux-hwe-edge

    all

  • ubuntu•linux-ibm

    < 5.15.0-1074.77

  • ubuntu•linux-ibm-5.15

    < 5.15.0-1074.77~20.04.1

  • ubuntu•linux-intel-5.13

    all

  • ubuntu•linux-intel-iot-realtime

    all | < 5.15.0-1075.77

Showing first 50 affected entries in server-rendered view.

References (19)