Vulnpedia
← All CVEs

CVE-2022-0995

HIGH 7.8 KNOWN EXPLOITED PoC CATALOGUED ALL-YEARS

Published 2022-03-25 · Last modified 2026-08-27 · redhat · NVD: Analyzed

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.

ACTIVELY EXPLOITED

Confirmed exploited in the wild — in CISA KEV since 2026-08-26. Patch or mitigate now.

Exploitation likelihood

8.9%chance of exploitation in 30 days · 95th percentile

● In CISA KEV (2026-08-26)● Catalogued PoC◆ SSVC: exploitation active, automatable no

Impact if exploited

7.8CVSS 3.1 · HIGH · ADP

  • ConfidentialityHigh
  • IntegrityHigh
  • AvailabilityHigh

What an attacker needs

  • ⚠Access: Requires local access to the host
  • ⚠Privileges: Requires a low-privilege account
  • ✓User interaction: No user interaction needed
  • ✓Complexity: No special conditions — reliably repeatable

✓ lowers the bar for an attacker · ⚠ raises it

Proof of concept

Public PoC or exploit resources are catalogued below.

Listed by the named source; Vulnpedia has not tested these resources.

PoC data: JSON

Resource commands

curl -s https://vulnpedia.com/cve/CVE-2022-0995/poc.jsonMachine-readable PoC index for this CVE (for automation).

Search for new PoCs

Search GitHub now — results may be empty or unverified.

Tracked sources are checked weekly for the full archive, including PoCs published after the original disclosure. A later release appears after a tracked source lists it and a refresh succeeds.

Data snapshot:

Affected

Vendors Linux Fedoraproject Netapp

Products Kernel Linux Kernel Fedora H300e Firmware H300e H300s Firmware H300s H410c Firmware H410c H410s Firmware H410s H500e Firmware H500e H500s Firmware H500s H610c Firmware H610c H610s Firmware H610s H615c Firmware H615c H700e Firmware H700e H700s Firmware H700s

Weakness (CWE)

  • CWE-787: Out-of-bounds write

CVSS vector

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

References and research data (JSON)

Vendor product assessments

Showing 32 of 222 vendor product statements; 190 omitted. Read the full vendor advisory.

  • kernel as a component of Red Hat Enterprise Linux 6 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-firmware as a component of Red Hat Enterprise Linux 6 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-firmware

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • bpftool as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/bpftool

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-doc as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-doc

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-rt-devel as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-devel

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-tools as a component of Red Hat Enterprise Linux 7 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-tools

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-debug-devel as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-debug-devel

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-ipaclones-internal as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-ipaclones-internal

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-rt-debug-core as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-debug-core

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-rt-kvm as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-kvm

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-tools as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-tools

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-zfcpdump-modules-internal as a component of Red Hat Enterprise Linux 8 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-zfcpdump-modules-internal

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-64k-core as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-64k-core

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-64k-debug-modules-extra as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-64k-debug-modules-extra

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-64k-modules-extra as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-64k-modules-extra

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-debug-core as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-debug-core

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-debug-modules-partner as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-debug-modules-partner

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-ipaclones-internal as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-ipaclones-internal

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-rt-64k as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-64k

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-rt-64k-debug-modules-core as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-64k-debug-modules-core

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-rt-64k-modules as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-64k-modules

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-rt-debug-core as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-debug-core

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-rt-debug-modules-internal as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-debug-modules-internal

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-rt-modules-extra as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-rt-modules-extra

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-tools-libs as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-tools-libs

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-zfcpdump-devel-matched as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-zfcpdump-devel-matched

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • libperf as a component of Red Hat Enterprise Linux 9 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/libperf

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-abi-whitelists as a component of Red Hat Virtualization 4 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-abi-whitelists

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-devel as a component of Red Hat Virtualization 4 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-devel

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • kernel-zfcpdump as a component of Red Hat Virtualization 4 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/kernel-zfcpdump

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00
  • python3-perf as a component of Red Hat Virtualization 4 · known not affected

    Vendor assessment for this product only.

    Reason: vulnerable code not present

    pkg:rpm/redhat/python3-perf

    Red Hat · CVE-2022-0995 · Updated 2026-08-27T02:00:30+00:00

Unverified PoC candidates

Catalogue matches for further research. These repositories have not been validated as working exploits.

4 candidates

Additional exploitation reports

Source-specific reports, separate from CISA KEV. Repeated observations from one source are not independent confirmations.

  • VulnCheck KEV · 2026-08-20T00:00:00Z

    Source guidance: 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.

    Source ransomware assessment: Unknown

    VulnCheck KEV · CVE-2022-0995 · Updated 2026-08-20T00:00:00Z
  • VulnCheck KEV · 2026-08-20T00:00:00ZVulnCheck KEV · CVE-2022-0995
  • VulnCheck KEV · 2026-08-26T00:00:00ZVulnCheck KEV · CVE-2022-0995
    VulnCheck KEV · CVE-2022-0995
  • VulnCheck KEV · 2026-09-08T00:00:00ZVulnCheck KEV · CVE-2022-0995

Known Affected Software Configurations

VendorProductVersion range
LinuxLinux Kernel≥ 5.8 and < 5.10.106
LinuxLinux Kernel≥ 5.11 and < 5.15.29
LinuxLinux Kernel≥ 5.16 and < 5.16.5
LinuxLinux Kernel5.17
LinuxLinux Kernel5.17
LinuxLinux Kernel5.17
LinuxLinux Kernel5.17
LinuxLinux Kernel5.17
LinuxLinux Kernel5.17
LinuxLinux Kernel5.17
FedoraprojectFedora35
NetappH300e Firmware*
NetappH300s Firmware*
NetappH410c Firmware*
NetappH410s Firmware*
NetappH500e Firmware*
NetappH500s Firmware*
NetappH610c Firmware*
NetappH610s Firmware*
NetappH615c Firmware*
NetappH700e Firmware*
NetappH700s Firmware*

All CVSS metrics

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

References

Exploit-tagged references (not proof of a PoC)

Patches & mitigations

Advisories

Technical & other

Sources: NVD · CVE.org · All sources and attribution · EPSS