CVE-2026-22978Missing Initialization of Resource in Linux

Severity
3.3LOWNVD
OSV7.8
EPSS
0.0%
top 95.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJan 23
Latest updateApr 13

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: avoid kernel-infoleak from struct iw_point struct iw_point has a 32bit hole on 64bit arches. struct iw_point { void __user *pointer; /* Pointer to the data (in user space) */ __u16 length; /* number of fields or size in bytes */ __u16 flags; /* Optional params */ }; Make sure to zero the structure to avoid disclosing 32bits of kernel data to user space.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 1.8 | Impact: 1.4

Affected Packages6 packages

NVDlinux/linux_kernel2.6.275.10.248+6
Debianlinux/linux_kernel< 5.10.249-1+3
Ubuntulinux/linux_kernel< 5.15.0-173.183
CVEListV5linux/linux87de87d5e47f94b4ea647a5bd1bc8dc1f7930db4d943b5f592767b107ba8c12a902f17431350378c+7
debiandebian/linux< linux 6.1.162-1 (bookworm)

Patches

🔴Vulnerability Details

9
OSV
linux-raspi vulnerabilities2026-04-01
OSV
linux-intel-iot-realtime vulnerabilities2026-03-23
OSV
linux-nvidia-tegra-igx vulnerabilities2026-03-23
OSV
linux-realtime vulnerabilities2026-03-17
OSV
linux-aws-5.15, linux-gcp-5.15, linux-gke, linux-hwe-5.15, linux-intel-iotg-5.15, linux-lowlatency-hwe-5.15, linux-oracle-5.15 vulnerabilities2026-03-17

📋Vendor Advisories

11
Ubuntu
Linux kernel (Azure) vulnerabilities2026-04-13
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01
Ubuntu
Linux kernel (Intel IoTG Real-time) vulnerabilities2026-03-23
Ubuntu
Linux kernel (NVIDIA Tegra IGX) vulnerabilities2026-03-23

🕵️Threat Intelligence

1
Wiz
CVE-2026-22978 Impact, Exploitability, and Mitigation Steps | Wiz
CVE-2026-22978 — Missing Initialization of Resource | cvebase