PT-2025-49464 · Linux · Linux Kernel

Published 2025-12-08 · Updated 2026-02-24 · CVE-2022-50623

Positive Technologies (AI Summary)

Name of the Vulnerable Software and Affected Versions Linux kernel (affected versions not specified)

Description An integer overflow exists in the dfl feature ioctl set irq() function when handling the multiplication of hdr.count and sizeof(s32) on 32-bit systems. This calculation can overflow, leading to potential memory corruption. The function dfl feature ioctl set irq() is vulnerable. The hdr.count variable is involved in the calculation.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Exploit

Related Identifiers

CVE-2022-50623

SUSE-SU-2026:0263-1

SUSE-SU-2026:0317-1

SUSE-SU-2026:0350-1

SUSE-SU-2026:0369-1

SUSE-SU-2026:0411-1

SUSE-SU-2026:0617-1

Affected Products

Linux Kernel

References · 982

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50623.json · Exploit
• https://osv.dev/vulnerability/CVE-2022-50623 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2022-50623 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2022-50623 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2022-50623 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0317-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0369-1 · Vendor Advisory
• https://ubuntu.com/security/CVE-2022-50623 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0350-1 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2022-50623 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2022-50623 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:0617-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0411-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2026:0263-1 · Vendor Advisory
• https://bugzilla.suse.com/1255996 · Note