CVE-2026-80779
In the Linux kernel, the following vulnerability has been resolved: net/ionic: avoid OOB TX partner lookup for hwstamp RXQ The dedicated h
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Publicado: 4 sept 2026 · Última mod.: 4 sept 2026
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In the Linux kernel, the following vulnerability has been resolved: net/ionic: avoid OOB TX partner lookup for hwstamp RXQ The dedicated hardware timestamp RX queue is allocated with q->index equal to lif->ionic->nrxqs_per_lif. The normal txqcqs array only contains the regular queue pairs, so using that index to set rxq->partner can read one entry past txqcqs[] and then write through the derived pointer. Only link RX/TX partners for normal queue-pair indexes. Leave the hwstamp RX queue unpaired, and make the XDP_TX path abort cleanly if an RX queue has no TX partner.
- git.kernel.orghttps://git.kernel.org/stable/c/39fc615e355b65b8d43be30da57aa95ae6eaf688
- git.kernel.orghttps://git.kernel.org/stable/c/881a805a8029ba48c0ce81c6674910f8d83f7afb
- git.kernel.orghttps://git.kernel.org/stable/c/d92255b405fb6f5acca408239ccd742e0a42c9cb
- git.kernel.orghttps://git.kernel.org/stable/c/ea081b4435515ac7177eb598a3c0678d1b9e7911
- git.kernel.orghttps://git.kernel.org/stable/c/f3868046e8e2e761d4d943a232bd109ff22a7d5b
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