CVE-2022-0995
HighExploitedPublic exploitAn out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem.
Published Mar 28, 2022 · Updated Oct 14, 2026 · Also known as A-227638011, DEBIAN-CVE-2022-0995, LSN-0111-1, LSN-0112-1, PUB-A-227638011, UBUNTU-CVE-2022-0995, UBUNTU-CVE-2024-26928, UBUNTU-CVE-2024-35864, UBUNTU-CVE-2024-50302, UBUNTU-CVE-2024-53063, UBUNTU-CVE-2024-56595, UBUNTU-CVE-2024-57798, USN-7475-1
Key Facts
Patch immediately- CVE-2022-0995 is a high-severity vulnerability (CVSS 7.8 v3.1) affecting Fedora (Fedoraproject), Linux Kernel, H300e Firmware (Netapp) and 22 more products.
- It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 20, 2026. Public exploit code is available.
- EPSS estimates a 8.9% probability of exploitation in the next 30 days.
- Fixed versions are available, including :linux_kernel: :2022-08-05, aws 112.1, aws 112.2.
- Brandefense priority: patch immediately, because it is listed as exploited in the wild.
CVSS v3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS (30-day exploit likelihood)
8.9%
Higher than 95.1% of all scored CVEs
Exploited in the wild
Yes
4 catalog listings
Public exploit code
Available
Proof-of-concept or weaponized module
Get the full CVE-2022-0995 brief as a PDF
Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.
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.
Known-Exploited Catalog Listings
| Catalog | Added | Remediation due | Ransomware use |
|---|---|---|---|
| CISA KEV | Aug 26, 2026 | Aug 29, 2026 | Not reported |
| Industry KEV feed | Aug 20, 2026 | Aug 29, 2026 | Not reported |
| CIRCL KEV | Aug 26, 2026 | Sep 9, 2026 | Not reported |
| ENISA EUVD | Aug 26, 2026 | n/a | Not reported |
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.
Affected Products
460 affected entries in total| Product | Affected versions | Fixed in |
|---|---|---|
| FedoraFedoraproject | 35 | n/a |
| Linux KernelLinux | 5.17-rc1, 5.17-rc2, 5.17-rc3, 5.17-rc4, 5.17-rc5, 5.17-rc6, 5.17-rc7 | 5.10.106 |
| H300e FirmwareNetapp | See advisory | n/a |
| H300s FirmwareNetapp | See advisory | n/a |
| H410c FirmwareNetapp | See advisory | n/a |
Patched Releases
:linux_kernel:
:2022-08-05
aws
112.1, 112.2, 4.15.0-1180.193, 4.15.0-1189.202, 4.4.0-1190.205, 5.10.109-2.ph4, 5.15.0-1082.89, 5.15.0-1085.92, 5.15.0.1082.89~20.04.1, 5.4.0-1144.154, 5.4.0-1147.157, 6.8.0-1026.28, 6.8.0-1028.30, NA
aws-5.15
112.2, 5.15.0-1082.89~20.04.1, 5.15.0-1086.93~20.04.1
aws-hwe
112.1, 4.15.0-1180.193~16.04.1, 4.15.0-1189.202~16.04.1
azure
112.1, 112.2, 4.15.0-1188.203~16.04.1, 4.15.0-1197.212~16.04.1, 5.15.0-1087.96, 5.15.0-1090.99, 5.4.0-1148.155, 5.4.0-1152.159, 6.8.0-1026.31, 6.8.0-1028.33
azure-4.15
112.1, 4.15.0-1188.203, 4.15.0-1197.212
azure-5.15
112.2, 5.15.0-1087.96~20.04.1, 5.15.0-1091.100~20.04.1
bpftool
5.10.46-2.ph4
cluster-md-kmp-default
5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
dlm-kmp-default
5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
gcp
112.1, 112.2, 4.15.0-1173.190~16.04.1, 4.15.0-1182.199~16.04.1, 5.15.0-1081.90, 5.15.0-1084.93, 5.15.0.1081.90~20.04.1, 5.4.0-1146.155, 5.4.0-1150.159, 6.8.0-1027.29, 6.8.0-1029.31
gcp-4.15
112.1, 4.15.0-1173.190, 4.15.0-1182.199
gcp-5.15
112.2, 5.15.0-1081.90~20.04.1, 5.15.0-1085.94~20.04.1
generic-4.15
112.1
generic-4.4
112.1
generic-5.15
112.2
generic-5.4
112.1
gfs2-kmp-default
5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
gke
112.1, 5.15.0-1079.85, 5.15.0-1082.88
gkeop
112.1, 5.15.0-1064.72, 5.4.0-1037.38
ibm
112.1, 5.15.0-1074.77, 5.15.0-1077.80, 5.4.0-1089.94, 5.4.0-1093.98, 6.8.0-1023.23, 6.8.0-1025.25
ibm-5.15
112.1, 5.15.0-1074.77~20.04.1, 5.15.0-1078.81~20.04.1
kernel
5.10.111.1-1, 5.15.32.1-3
kernel-64kb
5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
kernel-64kb-devel
5.14.21-150400.24.158.1, 5.14.21-150500.55.100.1
Timeline
Publicly disclosed
Mar 28, 2022
Added to Industry KEV feed
Aug 20, 2026
Added to CISA KEV
Aug 26, 2026
Added to CIRCL KEV
Aug 26, 2026
Added to ENISA EUVD
Aug 26, 2026
Last updated
Oct 14, 2026
Weakness Type
- CWE-787 Out-of-bounds Write
References
- advisoryhttps://github.com/CVEProject/cvelistV5/tree/main/cves/2022/0xxx/CVE-2022-0995.json
- advisoryhttps://nvd.nist.gov/vuln/detail/CVE-2022-0995
- advisoryhttps://security.netapp.com/advisory/ntap-20220429-0001/
- advisoryhttps://security-tracker.debian.org/tracker/CVE-2022-0995
- advisoryhttps://source.android.com/security/bulletin/2022-08-01
FAQ
Common Questions.
An out-of-bounds (OOB) memory write flaw was found in the Linux kernel’s watch_queue event notification subsystem.
Affected: Fedora (Fedoraproject) versions 35; Linux Kernel versions 5.17-rc1, 5.17-rc2, 5.17-rc3, 5.17-rc4, 5.17-rc5, 5.17-rc6, 5.17-rc7; H300e Firmware (Netapp), among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Aug 20, 2026.
Yes. It was added on Aug 26, 2026 with a federal remediation due date of Aug 29, 2026.
Public exploit code is available.
Fixed versions are available, including :linux_kernel: :2022-08-05, aws 112.1, aws 112.2.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.
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