CVE-2026-64464
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
36/100
Published: 2026-07-25
Modified: 2026-11-12
First seen: 2026-11-03
Status: active
Attack Surface
Low Complexity
No Interaction
CVSS Vector Breakdown
AV:
Local
AC:
Low
PR:
Low
UI:
None
S:
Unchanged
C:
None
I:
None
A:
High
Description
In the Linux kernel, the following vulnerability has been resolved: xhci: sideband: fix ring sg table pages leak xhci_ring_to_sgtable() allocates a temporary pages array and uses it to build the returned sg_table with sg_alloc_table_from_pages(). 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 sg_alloc_table_from_pages() succeeds. The returned sg_table has its own scatterlist entries and does not depend on the temporary array after construction.
Weakness Classification (1)
Affected Software (3)
| Vendor | Product | Version |
|---|---|---|
| linux | linux_kernel | 6.16 – 6.18.39 |
| linux | linux_kernel | 7.2 |
| linux | linux_kernel | 7.2 |