CVE-2024-35857highCWE-476

icmp: prevent possible NULL dereferences from icmp_build_probe()

21Vexday Risk Score

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

ssvc Trackcvss 7.5epss 0.9%

probabilidad de explotación

0.9%top 44% de las CVE

explotación observada

noninguna fuente lo reporta

In the Linux kernel, the following vulnerability has been resolved: icmp: prevent possible NULL dereferences from icmp_build_probe() First problem is a double call to __in_dev_get_rcu(), because the second one could return NULL. if (__in_dev_get_rcu(dev) && __in_dev_get_rcu(dev)->ifa_list) Second problem is a read from dev->ip6_ptr with no NULL check: if (!list_empty(&rcu_dereference(dev->ip6_ptr)->addr_list)) Use the correct RCU API to fix these. v2: add missing include <net/addrconf.h>

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Productos afectados

Linux · Linux

Referencias

https://git.kernel.org/stable/c/23b7ee4a8d559bf38eac7ce5bb2f6ebf76f9c401 https://git.kernel.org/stable/c/3e2979bf080c40da4f7c93aff8575ab8bc62b767 https://git.kernel.org/stable/c/599c9ad5e1d43f5c12d869f5fd406ba5d8c55270 https://git.kernel.org/stable/c/c58e88d49097bd12dfcfef4f075b43f5d5830941 https://git.kernel.org/stable/c/d68dc711d84fdcf698e5d45308c3ddeede586350