CVE-2023-52916
CVE-2023-52916
Vie, 06/09/2024 – 09:15
CVE-2023-52916
media: aspeed: Fix memory overwrite if timing is 1600×900
When capturing 1600×900, system could crash when system memory usage is
tight.
The way to reproduce this issue:
1. Use 1600×900 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 8×8. Therefore, we should make sure
the height of src-buf is 8 aligned to fix this issue.