CVE-2023-53515 — Use After Free in Linux
Severity
7.8HIGHNVD
EPSS
0.0%
top 96.97%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
Timeline
PublishedOct 1
Description
In the Linux kernel, the following vulnerability has been resolved:
virtio-mmio: don't break lifecycle of vm_dev
vm_dev has a separate lifecycle because it has a 'struct device'
embedded. Thus, having a release callback for it is correct.
Allocating the vm_dev struct with devres totally breaks this protection,
though. Instead of waiting for the vm_dev release callback, the memory
is freed when the platform_device is removed. Resulting in a
use-after-free when finally the callback is to be cal…
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
▶CVEListV5linux/linux7eb781b1bbb7136fe78fb8c28c1c223c61fa32b5 — 97a2d55ead76358245b446efd87818e919196d7a+7
Patches
🔴Vulnerability Details
2GHSA▶
GHSA-h7xx-83rf-fcj5: In the Linux kernel, the following vulnerability has been resolved:
virtio-mmio: don't break lifecycle of vm_dev
vm_dev has a separate lifecycle bec↗2025-10-01
OSV▶
CVE-2023-53515: In the Linux kernel, the following vulnerability has been resolved: virtio-mmio: don't break lifecycle of vm_dev vm_dev has a separate lifecycle becau↗2025-10-01