linux: In the Linux kernel, the following vulnerability has been resolved: block: ublk: make sure that block size is set co...
CVE-2023-53269 is fixed in linux on 1 platform, first by DEBIAN-CVE-2023-53269, released September 16, 2025. It is not reported as exploited. Patch Radar priority: Routine.
In the Linux kernel, the following vulnerability has been resolved: block: ublk: make sure that block size is set correctly block size is one very key setting for block layer, and bad block size could panic kernel easily. Make sure that block size is set correctly. Meantime if ublk_validate_params() fails, clear ub->params so that disk is prevented from being added.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 12.15 (bookworm) | 6.1.25-1 | DEBIAN-CVE-2023-53269 | Sep 16, 2025 |
| linux · Debian 13.5 (trixie) | 6.1.25-1 | DEBIAN-CVE-2023-53269 | Sep 16, 2025 |
| linux · Debian 14 | 6.1.25-1 | DEBIAN-CVE-2023-53269 | Sep 16, 2025 |
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