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critical9.1

CVE-2024-49571

In the Linux kernel, the following vulnerability has been resolved: net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg When receivi…

Impact

In the Linux kernel, the following vulnerability has been resolved: net/smc: check iparea_offset and ipv6_prefixes_cnt when receiving proposal msg When receiving proposal msg in server, the field iparea_offset and the field ipv6_prefixes_cnt in proposal msg are from the remote client and can not be fully trusted. Especially the field iparea_offset, once exceed the max value, there has the chance to access wrong address, and crash may happen. This patch checks iparea_offset and ipv6_prefixes_cnt before using them.

Affected products

VendorProductAffected versions
LinuxLinux Kernel
from 4.16 before 5.10.233
from 5.11 before 5.15.176
from 5.16 before 6.1.122
from 6.2 before 6.6.68
from 6.7 before 6.12.7
Version 6.13

References