CVE-2026-93050
kernel: ipack: ipoctal: fix UAF, null-ptr-deref, and use-after-free in cleanup on remove
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · September 17, 2026
Updated · October 20, 2026
Description
A flaw was found in the Linux kernel's ipack: ipoctal module. This vulnerability arises from improper memory handling, specifically Use-After-Free (UAF) conditions and a NULL pointer dereference, when the device is removed while a terminal (tty) session is still active. A local attacker could exploit these issues to cause system instability or a denial of service by crashing the system.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.1 · 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 · NULL Pointer Dereference