CVE-2022-49498

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2022-49498
In the Linux kernel, the following vulnerability has been resolved: ALSA: pcm: Check for null pointer of pointer substream before dereferencing it Pointer substream is being dereferenced on the assignment of pointer card before substream is being null checked with the macro PCM_RUNTIME_CHECK. Although PCM_RUNTIME_CHECK calls BUG_ON, it still is useful to perform the the pointer check before card is assigned.

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10b Patch
https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3 Patch
https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2 Patch
https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6 Patch
https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123 Patch
https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca 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:*:*:*:*:*:*:*:*
History

17 Mar 2025, 16:54

Type Values Removed Values Added
First Time Linux linux Kernel
Linux
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CWE CWE-476
References () https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10b - () https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10b - Patch
References () https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3 - () https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3 - Patch
References () https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2 - () https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2 - Patch
References () https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6 - () https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6 - Patch
References () https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123 - () https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123 - Patch
References () https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca - () https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca - Patch
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ALSA: pcm: Verificar si el puntero de la subsecuencia de puntero es nulo antes de desreferenciarlo La subsecuencia de puntero se desreferencia en la asignación de la tarjeta de puntero antes de que la subsecuencia sea verificada como nula con la macro PCM_RUNTIME_CHECK. Aunque PCM_RUNTIME_CHECK llama a BUG_ON, sigue siendo útil realizar la verificación del puntero antes de que se asigne la tarjeta.
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

26 Feb 2025, 07:01

Type Values Removed Values Added
New CVE
Information

Published : 2025-02-26 07:01

Updated : 2025-03-17 16:54

NVD link : CVE-2022-49498

Mitre link : CVE-2022-49498

CVE.ORG link : CVE-2022-49498

JSON object : View

Products Affected

linux

  • linux_kernel
CWE
CWE-476

NULL Pointer Dereference