Threats Tagged 'ghsa-prpm-w567-3rvc'
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Threats Tagged 'ghsa-prpm-w567-3rvc'
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A vulnerability in the Linux kernel's net/packet subsystem involving TX_RING byte count overflow has been resolved. The issue arises because tpacket_snd() accumulates packet lengths in a signed integer, which can overflow into the negative range after many transmissions. This causes sock_sendmsg_nosec() to misinterpret the value and trigger a kernel BUG, potentially leading to a kernel panic on systems configured to panic on oops. The flaw allows a CAP_NET_RAW user to cause a host kernel panic. The fix prevents the byte count from exceeding INT_MAX by stopping before the overflow occurs. Join the discussion | GCVE Database | 10/18/2026, 18:32:06 UTC Added: 10/18/2026, 19:40:24 UTC |
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