CVE-2024-50091

dm vdo: don't refer to dedupe_context after releasing it

CVE-2024-50091 is fixed in linux on 1 platform, first by DEBIAN-CVE-2024-50091, released November 5, 2024. It is not reported as exploited. Patch Radar priority: Routine.

Routine

CVSS

5.5

medium

Exploitation

None reported

No vendor assessment

CISA KEV

Not listed

Not in the Known Exploited Vulnerabilities catalog

EPSS

0.0021

11th percentile

In the Linux kernel, the following vulnerability has been resolved: dm vdo: don't refer to dedupe_context after releasing it Clear the dedupe_context pointer in a data_vio whenever ownership of the context is lost, so that vdo can't examine it accidentally.

Where it's fixed

Product	Fixed in	Fix	Released
Linux
linux · Debian 13.5 (trixie)	6.11.4-1	DEBIAN-CVE-2024-50091	Nov 5, 2024
linux · Debian 14	6.11.4-1	DEBIAN-CVE-2024-50091	Nov 5, 2024

Details

Published
November 5, 2024
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Vendor advisory
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-50091

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