CVE-2025-38408NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
OSV5.6OSV3.2
EPSS
0.0%
top 87.76%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedJul 25
Latest updateApr 17

Description

In the Linux kernel, the following vulnerability has been resolved: genirq/irq_sim: Initialize work context pointers properly Initialize `ops` member's pointers properly by using kzalloc() instead of kmalloc() when allocating the simulation work context. Otherwise the pointers contain random content leading to invalid dereferencing.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages17 packages

NVDlinux/linux_kernel5.86.12.37+2
Debianlinux/linux_kernel< 6.1.162-1+2
Ubuntulinux/linux_kernel< 6.8.0-100.100
CVEListV5linux/linux337cbeb2c13eb4cab84f576fd402d7ae4ed31ae1186df821de0f34490ed5fc0861243748b2483861+6

Patches

🔴Vulnerability Details

24
OSV
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OSV
linux-azure-fips vulnerabilities2026-03-04
OSV
linux-azure vulnerabilities2026-03-04
OSV
linux-ibm, linux-ibm-6.8 vulnerabilities2026-02-24
OSV
linux-xilinx vulnerabilities2026-02-24

📋Vendor Advisories

29
Ubuntu
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Ubuntu
Linux kernel (NVIDIA) vulnerabilities2026-04-17
Ubuntu
Linux kernel (FIPS) vulnerabilities2026-04-17
Ubuntu
Linux kernel (Real-time) vulnerabilities2026-04-17
Ubuntu
Linux kernel vulnerabilities2026-04-16