CVE-2026-89502

CVE-2026-89502

published September 12, 2026

CVSS
—
EPSS
0%
Percentile
10.0
In the wild
Unconfirmed
What it is

In the Linux kernel, the following vulnerability has been resolved:

ring-buffer: Free cpu_buffer::free_page with subbuf_order

When sub-buffers use an order greater than 0, cpu_buffer->free_page is

allocated with subbuf_order. Use the correct order for

cpu_buffer->free_page.

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.00206 · 10.0th percentile
Published
2026-09-12T00:19Z
References (4)
https://git.kernel.org/stable/c/234b1a72e9706fe20c08c96f4374ec8e83b934cb · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/77275ccea06eaf297e8e6ac3fc830cb72086379a · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/81063bbb16c4fcf0136c9117d5e49d3621dd6a1e · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/8c1ecdcdea738efe0494af908f12c0ae3a97fffa · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 13 SEP 03:23Z
    EPSS moved — → 0%
    epss
  • 11 SEP 19:43Z
    ring-buffer: Free cpu_buffer::free_page with subbuf_order
    cvelistv5