CVE-2026-80779
2026-09-04
16h18 +00:00
16h18 +00:00
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Mô tả CVE
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.
