Description
In the Linux kernel, the following vulnerability has been resolved: fpga: prevent integer overflow in dfl_feature_ioctl_set_irq() The "hdr.count * sizeof(s32)" multiplication can overflow on 32 bit systems leading to memory corruption. Use array_size() to fix that.
References5
- git.kernel.org/stable/c/1b5a931594f7ffd26d706614c37d4da0f2ffb6e7
- git.kernel.org/stable/c/939bc5453b8cbdde9f1e5110ce8309aedb1b501a
- git.kernel.org/stable/c/940253af8b3865b76de8d1b46bcd4a700104852e
- git.kernel.org/stable/c/b94605f5cb99e90c8ca91523597a40e1bd59546b
- git.kernel.org/stable/c/f59861946fa51bcc1f305809e4ebc1013b0ee61c
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: 6 · as of 11 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.