# CVE-2024-50297: linux: In the Linux kernel, the following vulnerability has been resolved:  net: xilinx: axienet: Enqueue Tx packets in dql...

CVE-2024-50297 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-50297, released November 19, 2024. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2024-50297
- Priority: Routine
- CVSS: 4.7 (medium)
- EPSS: 0.0028
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Nov 19, 2024

## Description

In the Linux kernel, the following vulnerability has been resolved:  net: xilinx: axienet: Enqueue Tx packets in dql before dmaengine starts  Enqueue packets in dql after dma engine starts causes race condition. Tx transfer starts once dma engine is started and may execute dql dequeue in completion before it gets queued. It results in following kernel crash while running iperf stress test:  kernel BUG at lib/dynamic_queue_limits.c:99! <snip> Internal error: Oops - BUG: 00000000f2000800 [#1] SMP pc : dql_completed+0x238/0x248 lr : dql_completed+0x3c/0x248  Call trace:   dql_completed+0x238/0x248   axienet_dma_tx_cb+0xa0/0x170   xilinx_dma_do_tasklet+0xdc/0x290   tasklet_action_common+0xf8/0x11c   tasklet_action+0x30/0x3c   handle_softirqs+0xf8/0x230 <snip>  Start dmaengine after enqueue in dql fixes the crash.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | linux Debian 13.5 (trixie) | 6.11.9-1 | [DEBIAN-CVE-2024-50297](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50297.md) | Nov 19, 2024 |
| Linux | linux Debian 14 | 6.11.9-1 | [DEBIAN-CVE-2024-50297](https://patchblox.com/security/data/fix/linux/debian-cve-2024-50297.md) | Nov 19, 2024 |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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