Description

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.

Classification

CVE ID: CVE-2024-49571

Affected Products

Vendor: Linux

Product: Linux

Exploit Prediction Scoring System (EPSS)

EPSS Score: 0.04% (probability of being exploited)

EPSS Percentile: 12.38% (scored less or equal to compared to others)

EPSS Date: 2025-02-09 (when was this score calculated)

References

https://git.kernel.org/stable/c/846bada23bfcdeb83621b045ed85dc06c7833ff0
https://git.kernel.org/stable/c/f10635268a0a49ee902a3b63b5dbb76f4fed498e
https://git.kernel.org/stable/c/62056d1592e63d85e82357ee2ae6a6a294f440b0
https://git.kernel.org/stable/c/91a7c27c1444ed4677b83fd5308d2cf03f5f0851
https://git.kernel.org/stable/c/47ce46349672a7e0c361bfe39ed0b22e824ef4fb
https://git.kernel.org/stable/c/a29e220d3c8edbf0e1beb0f028878a4a85966556

Timeline