7.8High KEV

CVE-2022-0995Linux Kernel Out-of-Bounds Write Vulnerability

kernel Published: (4 years ago)

Known exploited — Linux Kernel Out-of-Bounds Write Vulnerability

CISA confirmed this vulnerability is used in real attacks on 26.08.2026. Remediation deadline for US federal agencies: 29.08.2026.

Required action: 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. This 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

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.

Weakness (CWE): CWE-787

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
fedoraproject fedora 35
linux linux kernel 5.8 – < 5.10.106
netapp h300e firmware —
netapp h300s firmware —
netapp h410c firmware —
netapp h410s firmware —
netapp h500e firmware —
netapp h500s firmware —
netapp h610c firmware —
netapp h610s firmware —
netapp h615c firmware —
netapp h700e firmware —
netapp h700s firmware —
— kernel kernel 5.17 rc8

References and patches

CPE matches (NVD) (22)

  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.8 < 5.10.106
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.11 < 5.15.29
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* ≥ 5.16 < 5.16.5
  • cpe:2.3:o:linux:linux_kernel:5.17:rc1:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc2:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc3:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc4:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc5:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc6:*:*:*:*:*:*
  • cpe:2.3:o:linux:linux_kernel:5.17:rc7:*:*:*:*:*:*
  • cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h300e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h500e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h700e_firmware:-:*:*:*:*:*:*:*
  • cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*