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DEBIAN-CVE-2023-52494

DEBIAN-CVE-2023-52494 PUBLISHED CVSS 7.800000190734863 HIGH

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.

Risk Scores

CVSS 3.1
7.800000190734863
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Products

VendorProductVersions
Debian:14linux0, 0, 0
Debian:12linux0, 6.1.37-1, 6.1.38-1
Debian:13linux0, 0, 0
Debian:11linux0, 5.10.103-1, 5.10.103-1~bpo10+1

Timeline

  • Mar 11, 2024 CVE Published
  • Apr 28, 2026 CVE Updated
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