High severity7.8NVD Advisory· Published Jun 25, 2026· Updated Jul 15, 2026
CVE-2026-53148
CVE-2026-53148
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.
Affected products
16cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 8 more
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=4.15,<5.10.259
- 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:*:*:*:*:*:*
- (no CPE)
- osv-coords7 versionspkg:apk/chainguard/linux-azure-6.18pkg:apk/chainguard/linux-gcp-6.18pkg:apk/chainguard/linux-gcp-6.18-bootc-boot-installedpkg:apk/chainguard/linux-qemu-6.18pkg:apk/chainguard/linux-qemu-6.18-bootc-boot-installedpkg:apk/chainguard/linux-qemu-melangepkg:linux/kernel
< 6.18.38-r0+ 6 more
- (no CPE)range: < 6.18.38-r0
- (no CPE)range: < 6.18.38-r0
- (no CPE)range: < 6.18.38-r0
- (no CPE)range: < 6.18.38-r0
- (no CPE)range: < 6.18.38-r0
- (no CPE)range: < 6.18.38-r0
- (no CPE)range: >= 4.15.0, < 5.10.259
Patches
Vulnerability mechanics
References
11- git.kernel.org/stable/c/05a43157676c243c248d1c6d9dcecbe6eba2f35dnvdPatch
- git.kernel.org/stable/c/0b334279a82d79fb4723bd4f614305de1ab69caanvdPatch
- git.kernel.org/stable/c/322e93448d908434ae5545660fcbe8f5a7a8e141nvdPatch
- git.kernel.org/stable/c/5db10c8ad8c09f72c847dfeef3d876098257f505nvdPatch
- git.kernel.org/stable/c/6021d39ccd979713b39b980286020d8f9a45efd1nvdPatch
- git.kernel.org/stable/c/89ae04365e01d5ae4aae83044a8bbd2a9aaf8d0dnvdPatch
- git.kernel.org/stable/c/906035d5c3784570191d259cbf9a0ac1617852b5nvdPatch
- git.kernel.org/stable/c/fcbd0cdab92838854a5818be7ed8a097164ef6d5nvdPatch
- access.redhat.com/security/cve/CVE-2026-53148nvdThird Party Advisory
- bugzilla.redhat.com/show_bug.cginvdThird Party Advisory
- security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53148.jsonnvdThird Party Advisory
News mentions
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