CVE-2024-38556

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

CVSS v3 7.8 HIGH

7.8^/10

CVSS v3 : HIGH

Vector :

Exploitability : 1.8 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://git.kernel.org/stable/c/2d0962d05c93de391ce85f6e764df895f47c8918	Patch
https://git.kernel.org/stable/c/485d65e1357123a697c591a5aeb773994b247ad7	Patch
https://git.kernel.org/stable/c/4baae687a20ef2b82fde12de3c04461e6f2521d6	Patch
https://git.kernel.org/stable/c/94024332a129c6e4275569d85c0c1bfb2ae2d71b	Patch
https://git.kernel.org/stable/c/f9caccdd42e999b74303c9b0643300073ed5d319	Patch
https://git.kernel.org/stable/c/2d0962d05c93de391ce85f6e764df895f47c8918	Patch
https://git.kernel.org/stable/c/485d65e1357123a697c591a5aeb773994b247ad7	Patch
https://git.kernel.org/stable/c/4baae687a20ef2b82fde12de3c04461e6f2521d6	Patch
https://git.kernel.org/stable/c/94024332a129c6e4275569d85c0c1bfb2ae2d71b	Patch
https://git.kernel.org/stable/c/f9caccdd42e999b74303c9b0643300073ed5d319	Patch

Configurations

Configuration 1 (hide)

OR	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::
	cpe:2.3:o:linux:linux_kernel::::::::

History

No history.

Information

Published : 2024-06-19 14:15

Updated : 2025-03-06 12:56

NVD link : CVE-2024-38556

Mitre link : CVE-2024-38556

CVE.ORG link : CVE-2024-38556

JSON object : View

Products Affected

linux

linux_kernel

CWE

CWE-129

Improper Validation of Array Index

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Evita el manejo de finalizaci\u00f3n forzada en una entrada a la que a\u00fan no se le ha asignado un \u00edndice, lo que provoca un acceso fuera de los l\u00edmites en idx = -22. En lugar de esperar indefinidamente el sem, el flujo de bloqueo ahora espera a que se asigne el \u00edndice o a que se agote el tiempo de espera de adquisici\u00f3n del sem antes de iniciar el temporizador para completar el FW. Ejemplo de registro del kernel: mlx5_core 0000:06:00.0: wait_func_handle_exec_timeout:1128:(pid 185911): cmd[-22]: CREATE_UCTX(0xa04) No se complet\u00f3"}], "lastModified": "2025-03-06T12:56:25.937", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "B9BC8CC5-AB06-4C51-869B-2FE0820D0AC1", "versionEndExcluding": "5.5", "versionStartIncluding": "5.4.174"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "D97173A0-CD12-4773-B2F5-A9037AAB0383", "versionEndExcluding": "5.11", "versionStartIncluding": "5.10.94"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "FE141E86-782B-4D36-B214-2FB7AC66A083", "versionEndExcluding": "5.16", "versionStartIncluding": "5.15.17"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "EB815E0A-660A-44C3-9033-8B7238B7CA4F", "versionEndIncluding": "6.1.93", "versionStartIncluding": "5.16.3"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "3254742F-9901-4088-ACB5-27405BB2343E", "versionEndIncluding": "6.6.33", "versionStartIncluding": "6.2"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "F5EDD0D5-6B6E-4F6A-A099-30679CC81755", "versionEndIncluding": "6.8.12", "versionStartIncluding": "6.7"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "9A21A3C2-C96F-4722-B347-C34D308A1B12", "versionEndIncluding": "6.9.3", "versionStartIncluding": "6.9"}], "operator": "OR"}]}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}