5.5
MEDIUM
CVE-2022-49498
ALSA Pointer Dereference Vulnerability
Description

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.

INFO

Published Date :

Feb. 26, 2025, 7:01 a.m.

Last Modified :

March 17, 2025, 4:54 p.m.

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67

Remotely Exploitable :

No

Impact Score :

3.6

Exploitability Score :

1.8
Affected Products

The following products are affected by CVE-2022-49498 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2022-49498 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2022-49498 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Mar. 17, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.46 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 5.17.14 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.18 up to (excluding) 5.18.3 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.6 up to (excluding) 5.10.121
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10b Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123 Types: Patch
    Added Reference Type kernel.org: https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca Types: Patch
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Feb. 26, 2025

    Action Type Old Value New Value
    Added Description 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.
    Added Reference https://git.kernel.org/stable/c/011b559be832194f992f73d6c0d5485f5925a10b
    Added Reference https://git.kernel.org/stable/c/1f2e28857be1e5c7db39bbc221332215fc5467e3
    Added Reference https://git.kernel.org/stable/c/7784d22f81a29df2ec57ca90d54f93a35cbcd1a2
    Added Reference https://git.kernel.org/stable/c/b2421a196cb0911ea95aec1050a0b830464c8fa6
    Added Reference https://git.kernel.org/stable/c/b41ef7ad9238c22aa2e142f5ce4ce1a1a0d48123
    Added Reference https://git.kernel.org/stable/c/f2c68c52898f623fe84518da4606538d193b0cca
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2022-49498 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2022-49498 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
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Latest DB Update: Apr. 24, 2025 2:47