Race condition in Linux kernel - CVE-2026-98032
Published: September 28, 2026
Vulnerability identifier: #VU152449
CSH Severity: Low
CVSS v4: 5.8 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-98032
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to cause a denial of service or disclose uninitialized memory.
The vulnerability exists due to a race condition in the tracing ring buffer read-page handling when concurrently resizing trace ring-buffer subbuffers while reading trace_pipe_raw. A local user can concurrently resize trace ring-buffer subbuffers and read trace_pipe_raw to cause a denial of service or disclose uninitialized memory.
Affected software
Linux kernel
How to mitigate CVE-2026-98032
Install security update from vendor's repository.
Linux kernel - update to 7.0 rc3