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CVE-2023-52916— media: aspeed: Fix memory overwrite if timing is 1600x900

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于在系统内存使用紧张的情况下，以1600x900的分辨率捕获画面时可能导致内存覆写，进而使系统崩溃。

CVSS 7.8 · High EPSS 0.22% · P12

Possible ATT&CK Techniques 1 AI

T1059 · Command and Scripting Interpreter

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux d2b4387f3bdf016e266d23cf657465f557721488< 4c823e4027dd1d6e88c31028dec13dd19bc7b02d affected
d2b4387f3bdf016e266d23cf657465f557721488< c281355068bc258fd619c5aefd978595bede7bfe affected
5.0 affected
< 5.0 unaffected
6.1.120≤ 6.1.* unaffected
6.6≤ * unaffected
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I. Basic Information for CVE-2023-52916

Vulnerability Information
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Vulnerability Title
media: aspeed: Fix memory overwrite if timing is 1600x900
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于在系统内存使用紧张的情况下，以1600x900的分辨率捕获画面时可能导致内存覆写，进而使系统崩溃。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux d2b4387f3bdf016e266d23cf657465f557721488 ~ 4c823e4027dd1d6e88c31028dec13dd19bc7b02d -
Linux Linux 5.0 -

II. Public POCs for CVE-2023-52916

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III. Intelligence Information for CVE-2023-52916

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Patches & Fixes for CVE-2023-52916 (2)

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-52916

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