CVE-2026-23280
Analyzed Analyzed - Analysis Complete
Integer Overflow in Linux Kernel amdxdna Component Causes Memory Corruption

Publication date: 2026-03-25

Last updated on: 2026-05-22

Assigner: kernel.org

Description
In the Linux kernel, the following vulnerability has been resolved: accel/amdxdna: Prevent ubuf size overflow The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption. Use check_add_overflow() helpers to validate the size calculation before allocation.
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Meta Information
Published
2026-03-25
Last Modified
2026-05-22
Generated
2026-06-16
AI Q&A
2026-03-25
EPSS Evaluated
2026-06-15
NVD
CVE-2026-23280
EUVD
EUVD-2026-15200
Affected Vendors & Products
Showing 3 associated CPEs
Vendor Product Version / Range
linux linux_kernel From 6.19 (inc) to 6.19.7 (exc)
linux linux_kernel 7.0
linux linux_kernel From 6.18 (inc) to 6.18.17 (exc)
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Exploitability
CWE
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KEV
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CWE ID Description
CWE-UNKNOWN
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Executive Summary

This vulnerability exists in the Linux kernel within the accel/amdxdna component. It involves a potential overflow in the calculation of the ubuf size, which can cause the size to wrap around and result in an allocation that is smaller than intended.

Because of this undersized allocation, memory corruption may occur. The vulnerability is addressed by using check_add_overflow() helper functions to ensure the size calculation does not overflow before memory allocation.

Impact Analysis

The vulnerability can lead to memory corruption due to an undersized memory allocation caused by an overflow in the ubuf size calculation.

Memory corruption can cause unpredictable behavior in the system, including crashes, data corruption, or potentially exploitable conditions that could be leveraged by attackers to compromise system integrity.

Mitigation Strategies

The vulnerability in the Linux kernel related to accel/amdxdna involves a ubuf size overflow that may cause memory corruption. To mitigate this vulnerability, you should update your Linux kernel to a version where this issue has been resolved.

The fix involves using check_add_overflow() helpers to validate size calculations before allocation, preventing the overflow.

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