CVE-2024-49568

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.

CVSS 3.1

5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS

0.6% chance of exploitation in the next 30 days; higher than 47% of CVEs (scores of 2026-10-25)

Published

2025-01-11

Modified

2026-10-15

Record from

the NVD, synced 2026-10-19

Affected

• linux:linux_kernel

References

• https://git.kernel.org/stable/c/295a92e3df32e72aff0f4bc25c310e349d07ffbf
• https://git.kernel.org/stable/c/42f6beb2d5779429417b5f8115a4e3fa695d2a6c
• https://git.kernel.org/stable/c/49798283fce4c1a24fb1ba4c7c39127739535571
• https://git.kernel.org/stable/c/690b9a8db9460d065785548e43fd6a02d247c1b7
• https://git.kernel.org/stable/c/7863c9f3d24ba49dbead7e03dfbe40deb5888fdf

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