CVE-2023-52806

Advisory lineage Upstream: 0 Downstream: 17
Modified
Published: 21 May 2024, 15:31
Last modified:11 May 2026, 19:33

Vulnerability Summary

Overall Risk (default)
low
22/100
CVSS Score
5.5 MEDIUM
v3.1 (nvd)
EPSS Score
<0.01% LOW
0% probability 0.00%
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

21 May 2024, 15:31
Published
Vulnerability first disclosed
11 May 2026, 19:33
Last Modified
Vulnerability information updated

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.

CVSS Metrics

  • v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

EPSS Trends

Current EPSS score: 0.01%• Percentile: 1%

Techniques & Countermeasures

  • CWE-476•NULL Pointer Dereference

    The product dereferences a pointer that it expects to be valid but is NULL.

Affected Systems

  • linux•linux

    ≥ 14752412721c61d9ac1e8d8fb51d7148cb15f85b, < 7de25112de8222fd20564769e6c99dc9f9738a0b | ≥ 14752412721c61d9ac1e8d8fb51d7148cb15f85b, < 758c7733cb821041f5fd403b7b97c0b95d319323 | ≥ 14752412721c61d9ac1e8d8fb51d7148cb15f85b, < 2527775616f3638f4fd54649eba8c7b84d5e4250 | ≥ 14752412721c61d9ac1e8d8fb51d7148cb15f85b, < 25354bae4fc310c3928e8a42fda2d486f67745d7 | ≥ 14752412721c61d9ac1e8d8fb51d7148cb15f85b, < 631a96e9eb4228ff75fce7e72d133ca81194797e | ≥ 14752412721c61d9ac1e8d8fb51d7148cb15f85b, < 43b91df291c8802268ab3cfd8fccfdf135800ed4 | ≥ 14752412721c61d9ac1e8d8fb51d7148cb15f85b, < fe7c1a0c2b25c82807cb46fc3aadbf2664a682b0 | ≥ 14752412721c61d9ac1e8d8fb51d7148cb15f85b, < 4a320da7f7cbdab2098b103c47f45d5061f42edd | ≥ 14752412721c61d9ac1e8d8fb51d7148cb15f85b, < f93dc90c2e8ed664985e366aa6459ac83cdab236 | 4.2

  • linux•linux_kernel

    < 4.14.331 | ≥ 4.15, < 4.19.300 | ≥ 4.20, < 5.4.262 | ≥ 5.5, < 5.10.202 | ≥ 5.11, < 5.15.140 | ≥ 5.16, < 6.1.64 | ≥ 6.2, < 6.5.13 | ≥ 6.6, < 6.6.3

References (9)