Description
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).
References8
- git.kernel.org/stable/c/1a19ba8e1f4ff24ece8ca69b79df8442c431db90
- git.kernel.org/stable/c/379cae2cb982f571cda9493ac573ab71125fd299
- git.kernel.org/stable/c/5d01f2b81568289443d22f1e13a363f829de6343
- git.kernel.org/stable/c/656e9a5d69acdd1b20462f4a33378b90ddcb9626
- git.kernel.org/stable/c/7500384d3c9587593d75ded3b006835e7aa73ef8
- git.kernel.org/stable/c/9c045d4501f7f70724a3bbb561f4f22d292bbfe6
- git.kernel.org/stable/c/a29fea30dd93da16652930162b177941abd8c75e
- git.kernel.org/stable/c/e516cfd19b0f4c774a57b17fb43a7f41991f0735
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 5 · as of 10 November 2026
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.