CVE-2022-1048

HIGH7.0

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

Published Apr 29, 2022

Modified 1 years ago

No fix available

Details

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.

References

WEBhttps://bugzilla.redhat.com/show_bug.cgi?id=2066706 WEBhttps://lore.kernel.org/lkml/20220322170720.3529-5-tiwai%40suse.de/T/#m1d3b791b815556012c6be92f1c4a7086b854f7f3 WEBhttps://security.netapp.com/advisory/ntap-20220629-0001/ADVISORYhttps://www.cve.org/CVERecord?id=CVE-2022-1048 ADVISORYhttps://www.debian.org/security/2022/dsa-5127 ADVISORYhttps://www.debian.org/security/2022/dsa-5173

CVSS Analysis

CVSS v3.1

7.0

Exploitability

Attack Vector

LocalAV:L

Attack Complexity

HighAC:H

Privileges Required

LowPR:L

User Interaction

NoneUI:N

Scope

UnchangedS:U

Impact

Confidentiality

HighC:H

Integrity

HighI:H

Availability

HighA:H

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

Weakness Type (CWE)

Memory Safety

CWE-416

Use After Free

Ecosystems

Timeline

PublishedApr 29, 2022

ModifiedAug 2, 2024