CVE-2024-38556

Severity CVSS v4.0:

Pending analysis

Type:

Unavailable / Other

Publication date:

19/06/2024

Last modified:

06/03/2025

Description

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Add a timeout to acquire the command queue semaphore Prevent forced completion handling on an entry that has not yet been assigned an index, causing an out of bounds access on idx = -22. Instead of waiting indefinitely for the sem, blocking flow now waits for index to be allocated or a sem acquisition timeout before beginning the timer for FW completion. Kernel log example: mlx5_core 0000:06:00.0: wait_func_handle_exec_timeout:1128:(pid 185911): cmd[-22]: CREATE_UCTX(0xa04) No done completion

Impact

Vector 3.x

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

Base Score: 7.80 HIGH
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

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

Base Score 3.x

7.80

Severity 3.x

HIGH

Vulnerable products and versions

CPE	From	Up to
cpe:2.3:o:linux:linux_kernel::::::::	5.4.174 (including)	5.5 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.10.94 (including)	5.11 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.15.17 (including)	5.16 (excluding)
cpe:2.3:o:linux:linux_kernel::::::::	5.16.3 (including)	6.1.93 (including)
cpe:2.3:o:linux:linux_kernel::::::::	6.2 (including)	6.6.33 (including)
cpe:2.3:o:linux:linux_kernel::::::::	6.7 (including)	6.8.12 (including)
cpe:2.3:o:linux:linux_kernel::::::::	6.9 (including)	6.9.3 (including)

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

CVE-2024-38556

Description

Impact

Vulnerable products and versions

References to Advisories, Solutions, and Tools