5.5
MEDIUM
CVE-2023-52806
ALSA HDA Audio Null Pointer Dereference Vulnerability
Description

In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix possible null-ptr-deref when assigning a stream While AudioDSP drivers assign streams exclusively of HOST or LINK type, nothing blocks a user to attempt to assign a COUPLED stream. As supplied substream instance may be a stub, what is the case when code-loading, such scenario ends with null-ptr-deref.

INFO

Published Date :

May 21, 2024, 4:15 p.m.

Last Modified :

May 24, 2024, 1:14 a.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-2023-52806 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
: Total Affected Vendor : 1 | Products : 1
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-52806.

URL Resource
https://git.kernel.org/stable/c/2527775616f3638f4fd54649eba8c7b84d5e4250 Patch
https://git.kernel.org/stable/c/25354bae4fc310c3928e8a42fda2d486f67745d7 Patch
https://git.kernel.org/stable/c/43b91df291c8802268ab3cfd8fccfdf135800ed4 Patch
https://git.kernel.org/stable/c/4a320da7f7cbdab2098b103c47f45d5061f42edd Patch
https://git.kernel.org/stable/c/631a96e9eb4228ff75fce7e72d133ca81194797e Patch
https://git.kernel.org/stable/c/758c7733cb821041f5fd403b7b97c0b95d319323 Patch
https://git.kernel.org/stable/c/7de25112de8222fd20564769e6c99dc9f9738a0b Patch
https://git.kernel.org/stable/c/f93dc90c2e8ed664985e366aa6459ac83cdab236 Patch
https://git.kernel.org/stable/c/fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0 Patch

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-2023-52806 vulnerability anywhere in the article.

  • The Cyber Express
Canonical Addresses Critical Linux Kernel AWS Vulnerabilities with New Patches

Canonical has rolled out essential security updates for Ubuntu, addressing multiple Linux kernel vulnerabilities that also impact Amazon Web Services (AWS). These issues, which involve race conditions ... Read more

Published Date: Sep 03, 2024 (2 weeks, 1 day ago)
CVE-2024-39292 CVE-2023-52806 CVE-2023-52760 CVE-2024-35835 CVE-2024-24860 CVE-2024-21893 CVE-2024-22099 CVE-2024-21887 CVE-2023-46805 CVE-2021-44228 ...+1 more CVE

The following table lists the changes that have been made to the CVE-2023-52806 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.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 29, 2024

    Action Type Old Value New Value
  • Initial Analysis by [email protected]

    May. 24, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Changed Reference Type https://git.kernel.org/stable/c/2527775616f3638f4fd54649eba8c7b84d5e4250 No Types Assigned https://git.kernel.org/stable/c/2527775616f3638f4fd54649eba8c7b84d5e4250 Patch
    Changed Reference Type https://git.kernel.org/stable/c/25354bae4fc310c3928e8a42fda2d486f67745d7 No Types Assigned https://git.kernel.org/stable/c/25354bae4fc310c3928e8a42fda2d486f67745d7 Patch
    Changed Reference Type https://git.kernel.org/stable/c/43b91df291c8802268ab3cfd8fccfdf135800ed4 No Types Assigned https://git.kernel.org/stable/c/43b91df291c8802268ab3cfd8fccfdf135800ed4 Patch
    Changed Reference Type https://git.kernel.org/stable/c/4a320da7f7cbdab2098b103c47f45d5061f42edd No Types Assigned https://git.kernel.org/stable/c/4a320da7f7cbdab2098b103c47f45d5061f42edd Patch
    Changed Reference Type https://git.kernel.org/stable/c/631a96e9eb4228ff75fce7e72d133ca81194797e No Types Assigned https://git.kernel.org/stable/c/631a96e9eb4228ff75fce7e72d133ca81194797e Patch
    Changed Reference Type https://git.kernel.org/stable/c/758c7733cb821041f5fd403b7b97c0b95d319323 No Types Assigned https://git.kernel.org/stable/c/758c7733cb821041f5fd403b7b97c0b95d319323 Patch
    Changed Reference Type https://git.kernel.org/stable/c/7de25112de8222fd20564769e6c99dc9f9738a0b No Types Assigned https://git.kernel.org/stable/c/7de25112de8222fd20564769e6c99dc9f9738a0b Patch
    Changed Reference Type https://git.kernel.org/stable/c/f93dc90c2e8ed664985e366aa6459ac83cdab236 No Types Assigned https://git.kernel.org/stable/c/f93dc90c2e8ed664985e366aa6459ac83cdab236 Patch
    Changed Reference Type https://git.kernel.org/stable/c/fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0 No Types Assigned https://git.kernel.org/stable/c/fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0 Patch
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.14.331 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.300 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.262 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.202 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.15.140 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.16 up to (excluding) 6.1.64 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.2 up to (excluding) 6.5.13 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 6.6 up to (excluding) 6.6.3
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 21, 2024

    Action Type Old Value New Value
    Added Description In the Linux kernel, the following vulnerability has been resolved: ALSA: hda: Fix possible null-ptr-deref when assigning a stream While AudioDSP drivers assign streams exclusively of HOST or LINK type, nothing blocks a user to attempt to assign a COUPLED stream. As supplied substream instance may be a stub, what is the case when code-loading, such scenario ends with null-ptr-deref.
    Added Reference kernel.org https://git.kernel.org/stable/c/7de25112de8222fd20564769e6c99dc9f9738a0b [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/758c7733cb821041f5fd403b7b97c0b95d319323 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/2527775616f3638f4fd54649eba8c7b84d5e4250 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/25354bae4fc310c3928e8a42fda2d486f67745d7 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/631a96e9eb4228ff75fce7e72d133ca81194797e [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/43b91df291c8802268ab3cfd8fccfdf135800ed4 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/4a320da7f7cbdab2098b103c47f45d5061f42edd [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/f93dc90c2e8ed664985e366aa6459ac83cdab236 [No types assigned]
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-2023-52806 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-2023-52806 weaknesses.

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
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