# CVE-2026-23280: linux: In the Linux kernel, the following vulnerability has been resolved:  accel/amdxdna: Prevent ubuf size overflow  The u...

CVE-2026-23280 is fixed in linux on 1 platform by DEBIAN-CVE-2026-23280 (version 6.19.8-1), released March 25, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-23280
- Priority: High
- CVSS: 7.8 (high)
- EPSS: 0.0013
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Mar 25, 2026

## Description

In the Linux kernel, the following vulnerability has been resolved:  accel/amdxdna: Prevent ubuf size overflow  The ubuf size calculation may overflow, resulting in an undersized allocation and possible memory corruption.  Use check_add_overflow() helpers to validate the size calculation before allocation.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 14 | 6.19.8-1 | [DEBIAN-CVE-2026-23280](https://patchblox.com/security/data/fix/linux/debian-cve-2026-23280.md) | Mar 25, 2026 |

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Data as of 2026-11-08T06:59:42Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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