CVE-2024-49568net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg
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No exploitation reported and no EPSS estimate yet.
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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
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
- 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/295a92e3df32e72aff0f4bc25c310e349d07ffbfpatch
- https://git.kernel.org/stable/c/42f6beb2d5779429417b5f8115a4e3fa695d2a6cpatch
- https://git.kernel.org/stable/c/7863c9f3d24ba49dbead7e03dfbe40deb5888fdfpatch
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.