CVE-2025-40081
perf: arm_spe: Prevent overflow in PERF_IDX2OFF()
Vexday Risk Score
3Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS —EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —
Lifecycle
28 Oct 2025Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
In the Linux kernel, the following vulnerability has been resolved:
perf: arm_spe: Prevent overflow in PERF_IDX2OFF()
Cast nr_pages to unsigned long to avoid overflow when handling large
AUX buffer sizes (>= 2 GiB).
Affected products
Linux · LinuxReferences
https://git.kernel.org/stable/c/1a19ba8e1f4ff24ece8ca69b79df8442c431db90https://git.kernel.org/stable/c/379cae2cb982f571cda9493ac573ab71125fd299https://git.kernel.org/stable/c/5d01f2b81568289443d22f1e13a363f829de6343https://git.kernel.org/stable/c/656e9a5d69acdd1b20462f4a33378b90ddcb9626https://git.kernel.org/stable/c/7500384d3c9587593d75ded3b006835e7aa73ef8https://git.kernel.org/stable/c/9c045d4501f7f70724a3bbb561f4f22d292bbfe6https://git.kernel.org/stable/c/a29fea30dd93da16652930162b177941abd8c75ehttps://git.kernel.org/stable/c/e516cfd19b0f4c774a57b17fb43a7f41991f0735