CVE-2026-98775
kernel: nitro_enclaves: fix use-after-free on SLOT_ALLOC failure
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · October 18, 2026
Updated · October 23, 2026
Description
A flaw was found in the Linux kernel's Nitro Enclaves driver. An error-handling defect during enclave creation allows memory to be accessed after it has already been freed. A local attacker could exploit this use-after-free condition to cause a system crash, resulting in a Denial of Service (DoS), or potentially escalate privileges.
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-825 · Expired Pointer Dereference