CVE-2025-39903 — NULL Pointer Dereference in Linux

CWE-476 — NULL Pointer Dereference5 documents5 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 98.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
LinuxLinux KernelDebian Linux
Timeline
PublishedOct 1

Description

In the Linux kernel, the following vulnerability has been resolved: of_numa: fix uninitialized memory nodes causing kernel panic When there are memory-only nodes (nodes without CPUs), these nodes are not properly initialized, causing kernel panic during boot. of_numa_init of_numa_parse_cpu_nodes node_set(nid, numa_nodes_parsed); of_numa_parse_memory_nodes In of_numa_parse_cpu_nodes, numa_nodes_parsed gets updated only for nodes containing CPUs. Memory-only nodes should have been updated in o…

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 Packages4 packages

▶NVDlinux/linux_kernel6.12 — 6.12.46+2
▶Debianlinux/linux_kernel< 6.12.48-1+1
▶CVEListV5linux/linux767507654c22578ea0b51d181211b2e7714ea7cd — c2daa6eb4740720b5bd0e06267d7c93a3eed844e+3
▶debiandebian/linux< linux 6.16.6-1 (forky)

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

2
OSV
CVE-2025-39903: In the Linux kernel, the following vulnerability has been resolved: of_numa: fix uninitialized memory nodes causing kernel panic When there are memory↗2025-10-01
▶
GHSA
GHSA-gm32-xqh2-ff6r: In the Linux kernel, the following vulnerability has been resolved: of_numa: fix uninitialized memory nodes causing kernel panic When there are memo↗2025-10-01
▶

📋Vendor Advisories

2
Red Hat
kernel: of_numa: fix uninitialized memory nodes causing kernel panic↗2025-10-01
▶
Debian
CVE-2025-39903: linux - In the Linux kernel, the following vulnerability has been resolved: of_numa: fi...↗2025
▶