IM
IronMonkey Threat Research

CVE-2024-47697 HIGH

Published: 2024-10-21 | Last Modified: 2026-08-04 | Status: Modified

Description

In the Linux kernel, the following vulnerability has been resolved: drivers: media: dvb-frontends/rtl2830: fix an out-of-bounds write error Ensure index in rtl2830_pid_filter does not exceed 31 to prevent out-of-bounds access. dev->filters is a 32-bit value, so set_bit and clear_bit functions should only operate on indices from 0 to 31. If index is 32, it will attempt to access a non-existent 33rd bit, leading to out-of-bounds access. Change the boundary check from index > 32 to index >= 32 to resolve this issue.

Additional Descriptions (1)

En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: drivers: media: dvb-frontends/rtl2830: corrige un error de escritura fuera de los límites Asegúrate de que el índice en rtl2830_pid_filter no supere 31 para evitar el acceso fuera de los límites. dev->filters es un valor de 32 bits, por lo que las funciones set_bit y clear_bit solo deben funcionar en índices de 0 a 31. Si el índice es 32, intentará acceder a un bit 33 inexistente, lo que provocará un acceso fuera de los límites. Cambia la comprobación de límites de índice > 32 a índice >= 32 para resolver este problema.

CVSS Metrics

Base Score: 7.8 (HIGH)

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

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

Source: [email protected]

Type: Primary

Exploitability Score: 1.8

Impact Score: 5.9

Weaknesses

Source Type Description
[email protected] Primary
en CWE-787

Affected Products

Vendor Product Version Update Type
debian debian_linux 11.0 <built-in method update of dict object at 0x7fd36b1ce580> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36b1cd040> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36b25cdc0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36a7cb200> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36b1cdbc0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36b1cd500> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd36a7cbec0> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd340224380> Operating System
linux linux_kernel * <built-in method update of dict object at 0x7fd39c443c00> Operating System

Affected Configurations

Operator: OR

Vulnerable CPE
Yes cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*

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