VDB

CVE-2026-89501

CVE-2026-89501 PUBLISHED CVSS 7.8 HIGH

Reported by Linux · Published September 11, 2026

In the Linux kernel, the following vulnerability has been resolved: ring-buffer: Hold cpu_buffer::lock when resizing a subbuf Because, ring_buffer_subbuf_order_set() can clear cpu_buffer->free_page, hold cpu_buffer->lock to prevent races with ring_buffer_alloc_read_page() and ring_buffer_free_read_page().

EPSS 0.16% · 6.0th percentile

Risk Scores

CVSS 3.1
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
0.16%
6.0th percentile

Affected Products

VendorProductVersions
LinuxLinux8e7b58c27b3c567316a51079b375b846f9223bba, 8e7b58c27b3c567316a51079b375b846f9223bba, 8e7b58c27b3c567316a51079b375b846f9223bba
LinuxLinux6.8, 0, 6.12.109
linuxlinux_kernel6.8, 6.8, 6.8
LinuxLinux8e7b58c27b3c567316a51079b375b846f9223bba, 8e7b58c27b3c567316a51079b375b846f9223bba, 8e7b58c27b3c567316a51079b375b846f9223bba

Timeline

  • Sep 11, 2026 CVE Published
  • Sep 12, 2026 EPSS Score
  • Sep 12, 2026 Coalition ESS Score
  • Sep 13, 2026 EPSS Score
  • Sep 13, 2026 CVE Updated
  • Sep 19, 2026 EPSS Score

References

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