CVE-2024-38597

CVE-2024-38597: fallo en Linux

eth: sungem: remove .ndo_poll_controller to avoid deadlocks

Publicada el · Actualizada el

3Vexday Risk Score

Sin señal de explotación. Ningún artefacto público de explotación conocido hasta ahora.

ssvc Trackepss 0.2%
probabilidad de explotación
0.2%top 93% de las CVE
explotación observada
noninguna fuente lo reporta
In the Linux kernel, the following vulnerability has been resolved: eth: sungem: remove .ndo_poll_controller to avoid deadlocks Erhard reports netpoll warnings from sungem: netpoll_send_skb_on_dev(): eth0 enabled interrupts in poll (gem_start_xmit+0x0/0x398) WARNING: CPU: 1 PID: 1 at net/core/netpoll.c:370 netpoll_send_skb+0x1fc/0x20c gem_poll_controller() disables interrupts, which may sleep. We can't sleep in netpoll, it has interrupts disabled completely. Strangely, gem_poll_controller() doesn't even poll the completions, and instead acts as if an interrupt has fired so it just schedules NAPI and exits. None of this has been necessary for years, since netpoll invokes NAPI directly.
Productos afectados
Linux · Linux
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Referencias
https://git.kernel.org/stable/c/476adb3bbbd7886e8251d3b9ce2d3c3e680f35d6https://git.kernel.org/stable/c/5de5aeb98f9a000adb0db184e32765e4815d860bhttps://git.kernel.org/stable/c/6400d205fbbcbcf9b8510157e1f379c1d7e2e937https://git.kernel.org/stable/c/ac0a230f719b02432d8c7eba7615ebd691da86f4https://git.kernel.org/stable/c/e22b23f5888a065d084e87db1eec639c445e677fhttps://git.kernel.org/stable/c/faf94f1eb8a34b2c31b2042051ef36f63420eccehttps://git.kernel.org/stable/c/fbeeb55dbb33d562149c57e794f06b7414e44289