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debiancveDebian Security Bug TrackerDEBIANCVE:CVE-2023-52806
HistoryMay 21, 2024 - 4:15 p.m.

CVE-2023-52806

2024-05-2116:15:18
Debian Security Bug Tracker
security-tracker.debian.org
3
unix
linux kernel
alsa vulnerability
null-ptr-deref

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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.

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

6.6 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

5.1%

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