CVE-2024-49568

Published: January 13, 2025Last modified: January 13, 2025

Description

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.

Status

References

• https://git.kernel.org/stable/c/295a92e3df32e72aff0f4bc25c310e349d07ffbf
• https://git.kernel.org/stable/c/42f6beb2d5779429417b5f8115a4e3fa695d2a6c
• https://git.kernel.org/stable/c/7863c9f3d24ba49dbead7e03dfbe40deb5888fdf