CVE-2026-64464
- Source
- https://cve.org/CVERecord?id=CVE-2026-64464
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-64464.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2026-64464
- Downstream
- Published
- 2026-07-25T08:51:30.443Z
- Modified
- 2026-07-27T04:03:19.773936155Z
- Summary
- xhci: sideband: fix ring sg table pages leak
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
xhci: sideband: fix ring sg table pages leak
xhciringtosgtable() allocates a temporary pages array and uses it to build the returned sgtable with sgalloctablefrompages().
The error paths free the pages array, but the success path returns the sg_table without freeing it. This leaks the temporary array every time a sideband client gets an endpoint or event ring buffer.
Free the pages array after sgalloctablefrompages() succeeds. The returned sg_table has its own scatterlist entries and does not depend on the temporary array after construction.
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64464.json" }- References
-
- https://git.kernel.org/stable/c/49f6e3c3ef19f04f6657ed8dce550e36c763abb8
- https://git.kernel.org/stable/c/99d00a9e35e311a91d258029d5bb584377296c34
- https://git.kernel.org/stable/c/a3eaf82ff842d6ca95937ea584417e04828235a6
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/64xxx/CVE-2026-64464.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-64464
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git