# CVE-2026-74525: net: sxgbe: free TX rings on RX allocation failure

CVE-2026-74525 is fixed in 2 products on 1 platform, first by DEBIAN-CVE-2026-74525, released August 16, 2026. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-74525
- Priority: Routine
- CVSS: 1.9 (Low)
- EPSS: 0.0018
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 15, 2026
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-74525

## Description

In the Linux kernel, the following vulnerability has been resolved:  net: sxgbe: free TX rings on RX allocation failure  When RX descriptor ring allocation fails, init_dma_desc_rings() only frees the partially allocated RX rings and returns. The TX rings that were allocated earlier in the same function are leaked.  Rearrange error labels to clean up TX rings upon RX failures.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 12.15 (bookworm) | 6.1.187-1 | [DEBIAN-CVE-2026-74525](https://patchblox.com/security/data/fix/linux/debian-cve-2026-74525.md) | Aug 16, 2026 |
| Linux | linux Debian 13.5 (trixie) | 6.12.105-1 | [DEBIAN-CVE-2026-74525](https://patchblox.com/security/data/fix/linux/debian-cve-2026-74525.md) | Aug 16, 2026 |
| Linux | linux Debian 14 | 7.1.8-1 | [DEBIAN-CVE-2026-74525](https://patchblox.com/security/data/fix/linux/debian-cve-2026-74525.md) | Aug 16, 2026 |
| Linux | linux-6.12 Debian 12.15 (bookworm) | 6.12.107-1~deb12u1 | [DEBIAN-CVE-2026-74525](https://patchblox.com/security/data/fix/linux/debian-cve-2026-74525.md) | Aug 16, 2026 |

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Data as of 2026-11-09T07:25:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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