vulnerability

SUSE: CVE-2021-46923: SUSE Linux Security Advisory

Severity
5
CVSS
(AV:L/AC:L/Au:S/C:C/I:N/A:N)
Published
Feb 27, 2024
Added
Aug 9, 2024
Modified
Jan 28, 2025

Description

In the Linux kernel, the following vulnerability has been resolved:

fs/mount_setattr: always cleanup mount_kattr

Make sure that finish_mount_kattr() is called after mount_kattr was
succesfully built in both the success and failure case to prevent
leaking any references we took when we built it. We returned early if
path lookup failed thereby risking to leak an additional reference we
took when building mount_kattr when an idmapped mount was requested.

Solutions

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Title
Rapid7 Labs

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