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.
Fix
Patch, vendor advisory and mitigation references on NVD 8
- https://git.kernel.org/stable/c/05a43157676c243c248d1c6d9dcecbe6eba2f35d Patch
- https://git.kernel.org/stable/c/0b334279a82d79fb4723bd4f614305de1ab69caa Patch
- https://git.kernel.org/stable/c/322e93448d908434ae5545660fcbe8f5a7a8e141 Patch
- https://git.kernel.org/stable/c/5db10c8ad8c09f72c847dfeef3d876098257f505 Patch
- https://git.kernel.org/stable/c/6021d39ccd979713b39b980286020d8f9a45efd1 Patch
- https://git.kernel.org/stable/c/89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0d Patch
- https://git.kernel.org/stable/c/906035d5c3784570191d259cbf9a0ac1617852b5 Patch
- https://git.kernel.org/stable/c/fcbd0cdab92838854a5818be7ed8a097164ef6d5 Patch
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.8 · linuxNVD modified 2026-10-15 02:20
Affected (CPE criteria) 8
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:7.1:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:7.1:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:7.1:rc3:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:7.1:rc4:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:7.1:rc5:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:7.1:rc6:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:7.1:rc7:*:*:*:*:*:*
References 12
- https://git.kernel.org/stable/c/05a43157676c243c248d1c6d9dcecbe6eba2f35d Patch
- https://git.kernel.org/stable/c/0b334279a82d79fb4723bd4f614305de1ab69caa Patch
- https://git.kernel.org/stable/c/322e93448d908434ae5545660fcbe8f5a7a8e141 Patch
- https://git.kernel.org/stable/c/5db10c8ad8c09f72c847dfeef3d876098257f505 Patch
- https://git.kernel.org/stable/c/6021d39ccd979713b39b980286020d8f9a45efd1 Patch
- https://git.kernel.org/stable/c/89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0d Patch
- https://git.kernel.org/stable/c/906035d5c3784570191d259cbf9a0ac1617852b5 Patch
- https://git.kernel.org/stable/c/fcbd0cdab92838854a5818be7ed8a097164ef6d5 Patch
- https://access.redhat.com/security/cve/CVE-2026-53148 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2492756 Third Party Advisory
- https://cert-portal.siemens.com/productcert/html/ssa-784472.html
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53148.json Third Party Advisory