CVE-2025-39934NULL Pointer Dereference in Linux

Severity
5.5MEDIUMNVD
OSV7.8OSV3.2
EPSS
0.0%
top 94.30%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 4
Latest updateApr 13

Description

In the Linux kernel, the following vulnerability has been resolved: drm: bridge: anx7625: Fix NULL pointer dereference with early IRQ If the interrupt occurs before resource initialization is complete, the interrupt handler/worker may access uninitialized data such as the I2C tcpc_client device, potentially leading to NULL pointer dereference.

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 Packages8 packages

Patches

🔴Vulnerability Details

21
OSV
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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

📋Vendor Advisories

23
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
Bleepingcomputer
Microsoft October 2025 Patch Tuesday fixes 6 zero-days, 172 flaws2025-10-14