CVE-2022-0995KEV · OVERDUECWE-787

Linux Kernel Out-of-Bounds Write Vulnerability

High · published March 25, 2022

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 95.2th percentile for exploit probability.

55
days past CISA
deadline
CVSS v3.1
7.8
EPSS
9%
Percentile
95.2
In the wild
Confirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.08859 · 95.2th percentile
Weakness
CWE-787 · Out-of-bounds Write
Published
2022-03-25T23:15Z
KEV added
2026-08-26 · due 2026-08-29
Affected products (22)
ProductVersionsFixed in
linux/linux_kernel≥ 5.8, < 5.10.1065.10.106
linux/linux_kernel≥ 5.11, < 5.15.295.15.29
linux/linux_kernel≥ 5.16, < 5.16.55.16.5
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
linux/linux_kernelall versions—
fedoraproject/fedoraall versions—
netapp/h300e_firmwareall versions—
netapp/h300s_firmwareall versions—
netapp/h410c_firmwareall versions—
netapp/h410s_firmwareall versions—
netapp/h500e_firmwareall versions—
netapp/h500s_firmwareall versions—
netapp/h610c_firmwareall versions—
netapp/h610s_firmwareall versions—
netapp/h615c_firmwareall versions—
netapp/h700e_firmwareall versions—
netapp/h700s_firmwareall versions—
References (11)
EPSS history
Timeline
  • 26 AUG 00:00Z
    Added to CISA KEV — remediate by Sep 9
    kev
  • 25 MAR 18:03Z
    An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem
    cvelistv5