CVE-2026-53296

mailbox: mailbox-test: free channels on probe error

published June 26, 2026

CVSS
—
EPSS
0%
Percentile
6.7
In the wild
Unconfirmed
What it is

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

mailbox: mailbox-test: free channels on probe error

On probe error, free the previously obtained channels. This not only

prevents a leak, but also UAF scenarios because the client structure

will be removed nonetheless because it was allocated with devm.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00176 · 6.7th percentile
Published
2026-06-26T19:40Z
EPSS history
Timeline
  • 26 JUN 19:40Z
    mailbox: mailbox-test: free channels on probe error
    cvelistv5