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CVE-2022-1048

Date: April 29, 2022

A use-after-free flaw was found in the Linux kernel’s sound subsystem in the way a user triggers concurrent calls of PCM hw_params. The hw_free ioctls or similar race condition happens inside ALSA PCM for other ioctls. This flaw allows a local user to crash or potentially escalate their privileges on the system.

Severity Score

Related Resources (11)

https://access.redhat.com/security/cve/CVE-2022-1048
https://security-tracker.debian.org/tracker/CVE-2022-1048
https://www.debian.org/security/2022/dsa-5127
https://people.canonical.com/~ubuntu-security/cve/CVE-2022-1048
https://lore.kernel.org/lkml/20220322170720.3529-5-tiwai@suse.de/T/#m1d3b791b815556012c6be92f1c4a7086b854f7f3
https://security.netapp.com/advisory/ntap-20220629-0001/
https://bugzilla.redhat.com/show_bug.cgi?id=2066706
https://www.debian.org/security/2022/dsa-5173
https://lore.kernel.org/lkml/20220322170720.3529-5-tiwai%40suse.de/T/#m1d3b791b815556012c6be92f1c4a7086b854f7f3
https://nvd.nist.gov/vuln/detail/CVE-2022-1048
https://www.mend.io/vulnerability-database/CVE-2022-1048

Severity Score

Weakness Type (CWE)

Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

CWE-362

Use After Free

CWE-416

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): HIGH
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): COMPLETE
Integrity (I): COMPLETE
Availability (A): COMPLETE
Additional information:

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