CVE-2023-52916

media: aspeed: Fix memory overwrite if timing is 1600x900

HIGH
7.8
CVSS Score
Published: September 6, 2024 at 09:07 AM UTC
Updated: August 5, 2026 at 10:24 AM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH7.8
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: media: aspeed: Fix memory overwrite if timing is 1600x900 When capturing 1600x900, system could crash when system memory usage is tight. The way to reproduce this issue: 1. Use 1600x900 to display on host 2. Mount ISO through 'Virtual media' on OpenBMC's web 3. Run script as below on host to do sha continuously #!/bin/bash while [ [1] ]; do find /media -type f -printf '"%h/%f"\n' | xargs sha256sum done 4. Open KVM on OpenBMC's web The size of macro block captured is 8x8. Therefore, we should make sure the height of src-buf is 8 aligned to fix this issue.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

5.0 ≤ v < 6.1.1205.0 ≤ v < 6.66.2 ≤ v < 6.65.0d2b4387f3bdf016e266d23cf657465f557721488
Vendor states this is fixed in 4c823e4027dd1d6e88c31028dec13dd19bc7b02d (fixed)
Vendor states this is fixed in c281355068bc258fd619c5aefd978595bede7bfe (fixed)
Vendor states this is fixed in 5.0 (unaffected)
Vendor states this is fixed in 6.1.120 (unaffected)
Vendor states this is fixed in 6.6 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (3)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/4c823e4027dd1d6e88c31028dec13dd19bc7b02d
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/c281355068bc258fd619c5aefd978595bede7bfe
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2025/03/msg00001.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.8HIGHLinux
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-787

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