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High severity7.8NVD Advisory· Published Mar 11, 2024· Updated Jul 24, 2026

CVE-2023-52494

CVE-2023-52494

Description

In the Linux kernel, the following vulnerability has been resolved:

bus: mhi: host: Add alignment check for event ring read pointer

Though we do check the event ring read pointer by "is_valid_ring_ptr" to make sure it is in the buffer range, but there is another risk the pointer may be not aligned. Since we are expecting event ring elements are 128 bits(struct mhi_ring_element) aligned, an unaligned read pointer could lead to multiple issues like DoS or ring buffer memory corruption.

So add a alignment check for event ring read pointer.

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Affected products

53

Patches

Vulnerability mechanics

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