CVE-2025-40346Linux vulnerability

56 documents8 sources
Severity
7.8HIGHOSV
OSV5.5OSV3.2
No vector
EPSS
0.0%
top 85.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedDec 16
Latest updateApr 13

Description

In the Linux kernel, the following vulnerability has been resolved: arch_topology: Fix incorrect error check in topology_parse_cpu_capacity() Fix incorrect use of PTR_ERR_OR_ZERO() in topology_parse_cpu_capacity() which causes the code to proceed with NULL clock pointers. The current logic uses !PTR_ERR_OR_ZERO(cpu_clk) which evaluates to true for both valid pointers and NULL, leading to potential NULL pointer dereference in clk_get_rate(). Per include/linux/err.h documentation, PTR_ERR_OR_ZE

Affected Packages5 packages

Linuxlinux/linux_kernel5.7.05.10.246+5
Debianlinux/linux_kernel< 5.10.247-1+3
Ubuntulinux/linux_kernel< 5.15.0-170.180+2
CVEListV5linux/linuxb8fe128dad8f97cc9af7c55a264d1fc5ab67719564da320252e43456cc9ec3055ff567f168467b37+7
debiandebian/linux< linux 6.1.158-1 (bookworm)

🔴Vulnerability Details

27
OSV
linux-raspi vulnerabilities2026-04-01
OSV
linux-raspi, linux-raspi-realtime vulnerabilities2026-04-01
OSV
linux-azure-6.8 vulnerabilities2026-03-25
OSV
linux-azure vulnerabilities2026-03-25
OSV
linux-aws-6.8 vulnerabilities2026-03-23

💥Exploits & PoCs

1
Exploit-DB
Cisco DPC2100 2.0.2 r1256-060303 - Multiple Security Bypass / Cross-Site Request Forgery Vulnerabilities2010-05-24

📋Vendor Advisories

26
Ubuntu
Linux kernel (Azure) vulnerabilities2026-04-13
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Azure FIPS) vulnerabilities2026-04-09
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities2026-04-01

🕵️Threat Intelligence

1
Wiz
CVE-2025-40346 Impact, Exploitability, and Mitigation Steps | Wiz