Critical 9.8Published Jan 11, 2025

CVE-2024-49568net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg

Updated under an hour ago (Oct 27, 2026, 4:50 PM ET)

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No exploitation reported and no EPSS estimate yet.

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Exploited in the last 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.

CVSS: 9.8 CRITICAL (v3.1, CNA)CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Weakness (CWE): Not given
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Linux
NVD analysis: Modified
Record last updated: Oct 15, 2026
First seen by InfoSec Signals: Oct 15, 2026

Affected products

Affected products

Linux Linux linux:linux (from the name)	from 8c3dca341aea885249e08856c4380300b75d2cf5 before 9cc0170ae646876aa5de2f0cad3066ce53e86f27; from 8c3dca341aea885249e08856c4380300b75d2cf5 before 49798283fce4c1a24fb1ba4c7c39127739535571; from 8c3dca341aea885249e08856c4380300b75d2cf5 before 690b9a8db9460d065785548e43fd6a02d247c1b7; from 8c3dca341aea885249e08856c4380300b75d2cf5 before 295a92e3df32e72aff0f4bc25c310e349d07ffbf; from 8c3dca341aea885249e08856c4380300b75d2cf5 before 42f6beb2d5779429417b5f8115a4e3fa695d2a6c; from 8c3dca341aea885249e08856c4380300b75d2cf5 before 7863c9f3d24ba49dbead7e03dfbe40deb5888fdf	CNA record
linux linux_kernel linux:linux_kernel	from 5.10 before 6.6.68; from 6.7 before 6.12.7; 6.13; 6.13; 6.13	NVD

References

References

https://git.kernel.org/stable/c/9cc0170ae646876aa5de2f0cad3066ce53e86f27
https://git.kernel.org/stable/c/49798283fce4c1a24fb1ba4c7c39127739535571
https://git.kernel.org/stable/c/690b9a8db9460d065785548e43fd6a02d247c1b7
https://git.kernel.org/stable/c/295a92e3df32e72aff0f4bc25c310e349d07ffbf	patch
https://git.kernel.org/stable/c/42f6beb2d5779429417b5f8115a4e3fa695d2a6c	patch
https://git.kernel.org/stable/c/7863c9f3d24ba49dbead7e03dfbe40deb5888fdf	patch

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.