linux: In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix overshooting recv limit It's...
CVE-2025-40046 is fixed in linux on 1 platform by DEBIAN-CVE-2025-40046 (version 6.17.6-1), released October 28, 2025. It is not reported as exploited. Patch Radar priority: High.
In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix overshooting recv limit It's reported that sometimes a zcrx request can receive more than was requested. It's caused by io_zcrx_recv_skb() adjusting desc->count for all received buffers including frag lists, but then doing recursive calls to process frag list skbs, which leads to desc->count double accounting and underflow.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| linux · Debian 14 | 6.17.6-1 | DEBIAN-CVE-2025-40046 | Oct 28, 2025 |
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