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

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CVE-2024-40944

Severity CVSS v4.0:
Pending analysis
Type:
Unavailable / Other
Publication date:
12/07/2024
Last modified:
06/10/2025

Description

In the Linux kernel, the following vulnerability has been resolved:<br /> <br /> x86/kexec: Fix bug with call depth tracking<br /> <br /> The call to cc_platform_has() triggers a fault and system crash if call depth<br /> tracking is active because the GS segment has been reset by load_segments() and<br /> GS_BASE is now 0 but call depth tracking uses per-CPU variables to operate.<br /> <br /> Call cc_platform_has() earlier in the function when GS is still valid.<br /> <br /> [ bp: Massage. ]

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:*:*:*:*:*:*:*:* 6.2 (including) 6.6.35 (excluding)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* 6.7 (including) 6.9.6 (excluding)
cpe:2.3:o:linux:linux_kernel:6.10:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.10:rc2:*:*:*:*:*:*

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


References to Advisories, Solutions, and Tools