CVE-2026-53148

medium

Description

In the Linux kernel, the following vulnerability has been resolved: thunderbolt: Clamp XDomain response data copy to allocation size tb_xdp_properties_request() derives the per-packet copy length from the response header without checking that it fits in the previously allocated data buffer. A malicious peer can set its length field larger than the declared data_length, causing memcpy to write past the kcalloc allocation. Clamp the per-packet copy length so that the cumulative offset never exceeds data_len.

References

https://git.kernel.org/stable/c/fcbd0cdab92838854a5818be7ed8a097164ef6d5

https://git.kernel.org/stable/c/906035d5c3784570191d259cbf9a0ac1617852b5

https://git.kernel.org/stable/c/89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0d

https://git.kernel.org/stable/c/6021d39ccd979713b39b980286020d8f9a45efd1

https://git.kernel.org/stable/c/5db10c8ad8c09f72c847dfeef3d876098257f505

https://git.kernel.org/stable/c/322e93448d908434ae5545660fcbe8f5a7a8e141

https://git.kernel.org/stable/c/0b334279a82d79fb4723bd4f614305de1ab69caa

https://git.kernel.org/stable/c/05a43157676c243c248d1c6d9dcecbe6eba2f35d

Details

Source: Mitre, NVD

Published: 2026-06-25

Updated: 2026-06-25

Risk Information

CVSS v2

Base Score: 6.6

Vector: CVSS2#AV:L/AC:L/Au:N/C:N/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 5.5

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Severity: Medium

EPSS

EPSS: 0.00184