CVE-2025-68309
Awaiting Analysis Awaiting Analysis - Queue
BaseFortify

Publication date: 2025-12-16

Last updated on: 2025-12-18

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: PCI/AER: Fix NULL pointer access by aer_info The kzalloc(GFP_KERNEL) may return NULL, so all accesses to aer_info->xxx will result in kernel panic. Fix it.
CVSS Scores
EPSS Scores
Probability:
Percentile:
Meta Information
Published
2025-12-16
Last Modified
2025-12-18
Generated
2026-06-16
AI Q&A
2025-12-16
EPSS Evaluated
2026-06-15
NVD
CVE-2025-68309
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
CWE Icon
KEV
KEV Icon
CWE ID Description
CWE-UNKNOWN
Attack-Flow Graph
AI Quick Actions
Instant insights powered by AI
Executive Summary

This vulnerability occurs in the Linux kernel's PCI/AER component where a function called kzalloc with GFP_KERNEL flag may return NULL. If this happens, subsequent accesses to the aer_info structure will dereference a NULL pointer, causing a kernel panic (system crash). The fix ensures that the code properly handles the case when kzalloc returns NULL to prevent the kernel panic.

Impact Analysis

This vulnerability can cause a kernel panic, which leads to a system crash and potential denial of service. This can disrupt normal operations, cause data loss, or require system reboots, impacting system availability and reliability.

Chat Assistant
Ask questions about this CVE
Hi! I’m here to help you understand CVE-2025-68309. Ask me anything about the vulnerability, its impact, or mitigation strategies.
0/70
EPSS Chart