CVE-2024-49568
Linux Kernel vulnerability
- Published11 Jan 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.
CVSS 3.1 breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HAffected products
Remediation
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
- https://git.kernel.org/stable/c/9cc0170ae646876aa5de2f0cad3066ce53e86f27
Frequently asked
Is CVE-2024-49568 being actively exploited?
CVE-2024-49568 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.57%.
How severe is CVE-2024-49568?
CVE-2024-49568 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.57% probability of exploitation.
Which products are affected by CVE-2024-49568?
Affected products include Linux Kernel.
How do I fix CVE-2024-49568?
Upgrade affected software to a fixed version, for example Linux Kernel 6.6.68 or later, then confirm no affected versions remain in your inventory.
How Secuno handles this
Secuno correlates vulnerabilities like CVE-2024-49568 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.
Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.