IM
IronMonkey Threat Research

CVE-2024-53217 HIGH

Published: 2024-12-27 | Last Modified: 2026-08-04 | Status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: NFSD: Prevent NULL dereference in nfsd4_process_cb_update() @ses is initialized to NULL. If __nfsd4_find_backchannel() finds no available backchannel session, setup_callback_client() will try to dereference @ses and segfault.

Additional Descriptions (1)

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: NFSD: evitar la desreferenciación de NULL en nfsd4_process_cb_update() @ses se inicializa a NULL. Si __nfsd4_find_backchannel() no encuentra ninguna sesión de backchannel disponible, setup_callback_client() intentará desreferenciar @ses y generar una violación de segmentación.

CVSS Metrics

Base Score: 5.5 (MEDIUM)

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Attack VectorLOCAL
Attack ComplexityLOW
Privileges RequiredLOW
User InteractionNONE
ScopeUNCHANGED
Confidentiality ImpactNONE
Integrity ImpactNONE
Availability ImpactHIGH

Source: [email protected]

Type: Primary

Exploitability Score: 1.8

Impact Score: 3.6

Weaknesses

Source Type Description
[email protected] Primary
en CWE-476
134c704f-9b21-4f2e-91b3-4a467353bcc0 Secondary
en CWE-476

Affected Products

Vendor Product Version Update Type
linux linux_kernel * <built-in method update of dict object at 0x7fd38541d7c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd348ef30c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd369ee8ac0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd2d39ff980> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd38541e9c0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd38541fe80> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd31b20efc0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd34b9c1d80> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Yes cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

References