CVE-2024-49568: Linux Kernel

Medium severity, CVSS 5.5. EPSS: 0.6% chance of exploitation in the next 30 days.

In the Linux kernel, the following vulnerability has been resolved: net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg When receiving proposal msg in server, the fields v2_ext_offset/ eid_cnt/ism_gid_cnt in proposal msg are from the remote client and can not be fully trusted. Especially the field v2_ext_offset, once exceed the max value, there has the chance to access wrong address, and crash may happen. This patch checks the fields v2_ext_offset/eid_cnt/ism_gid_cnt before using them.

Affected products

• Linux Linux Kernel: from 5.10, before 6.6.68 (fixed in 6.6.68); from 6.7, before 6.12.7 (fixed in 6.12.7); version 6.13 only

Published 2025-01-11. Last modified 2026-10-03.