Instituto Nacional de ciberseguridad. Sección Incibe
Instituto Nacional de Ciberseguridad. Sección INCIBE-CERT

Go to Calendar     Go to Press Room     Go to Newsletters subscription

Search

CVE-2024-49568

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
11/01/2025
Last modified:
15/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> net/smc: check v2_ext_offset/eid_cnt/ism_gid_cnt when receiving proposal msg<br /> <br /> When receiving proposal msg in server, the fields v2_ext_offset/<br /> eid_cnt/ism_gid_cnt in proposal msg are from the remote client<br /> and can not be fully trusted. Especially the field v2_ext_offset,<br /> once exceed the max value, there has the chance to access wrong<br /> address, and crash may happen.<br /> <br /> This patch checks the fields v2_ext_offset/eid_cnt/ism_gid_cnt<br /> before using them.

Impact

Vector 3.x
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 5.50 MEDIUM
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack Vector (AV): Local
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): None
Integrity (I): None
Availability (A): High

Base Score 3.x
5.50
Severity 3.x
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 5.10 (including) 6.6.68 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.7 (including) 6.12.7 (excluding)
cpe:2.3:o:linux:linux_kernel:6.13:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.13:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.13:rc3:*:*:*:*:*:*

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools