CVE-2025-68309
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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.
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Meta Information
Published
2025-12-16
Last Modified
2025-12-18
Generated
2026-05-07
AI Q&A
2025-12-16
EPSS Evaluated
2026-05-05
NVD
CVE-2025-68309
Affected Vendors & Products
Currently, no data is known.
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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AI Powered Q&A
Can you explain this vulnerability to me?

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.


How can this vulnerability impact me? :

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.


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