CVE-2023-53596Double Free in Linux

Severity
7.8HIGHNVD
EPSS
0.0%
top 96.62%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedOct 4

Description

In the Linux kernel, the following vulnerability has been resolved: drivers: base: Free devm resources when unregistering a device In the current code, devres_release_all() only gets called if the device has a bus and has been probed. This leads to issues when using bus-less or driver-less devices where the device might never get freed if a managed resource holds a reference to the device. This is happening in the DRM framework for example. We should thus call devres_release_all() in the dev

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

NVDlinux/linux_kernel3.76.1.53+2
Debianlinux/linux_kernel< 6.1.55-1+2
CVEListV5linux/linuxa525a3ddeaca69f405d98442ab3c0746e53168dc297992e5c63528e603666e36081836204fc36ec9+4
debiandebian/linux< linux 6.1.55-1 (bookworm)

Patches

🔴Vulnerability Details

2
OSV
CVE-2023-53596: In the Linux kernel, the following vulnerability has been resolved: drivers: base: Free devm resources when unregistering a device In the current code2025-10-04
GHSA
GHSA-66x2-rpwx-fjfr: In the Linux kernel, the following vulnerability has been resolved: drivers: base: Free devm resources when unregistering a device In the current co2025-10-04

📋Vendor Advisories

2
Red Hat
kernel: drivers: base: Free devm resources when unregistering a device2025-10-04
Debian
CVE-2023-53596: linux - In the Linux kernel, the following vulnerability has been resolved: drivers: ba...2023