CVE-2026-80928

A flaw was found in the Linux kernel's SMACK Simplified Mandatory Access Control Kernel security module. Incorrect handling of task credentials within the smackfilesendsigiotask function can lead to a Use-After-Free UAF vulnerability. A local attacker could exploit this flaw to potentially escala...

CVE-2026-80928

In the Linux kernel, the following vulnerability has been resolved: smack: fix cred UAF in smackfilesendsigiotask When inspecting the credentials of another task, objective credentials -realcred, accessed with taskcred must always be used. Accessing -cred on a non-current task is forbidden unless...

CVE-2026-80928

CVE-2026-80928 is a Use-After-Free (UAF) vulnerability in the Linux kernel's SMACK security module, specifically in the function smack_file_send_sigiotask() . The root cause is inconsistent credential access: the function first read the subjective credential pointer (tsk->cred) and then the ob...

CVE-2026-80928 smack: fix cred UAF in smack_file_send_sigiotask()

In the Linux kernel, the following vulnerability has been resolved: smack: fix cred UAF in smackfilesendsigiotask When inspecting the credentials of another task, objective credentials -realcred, accessed with taskcred must always be used. Accessing -cred on a non-current task is forbidden unless...

EUVD-2026-76251

In the Linux kernel, the following vulnerability has been resolved: smack: fix cred UAF in smackfilesendsigiotask When inspecting the credentials of another task, objective credentials -realcred, accessed with taskcred must always be used. Accessing -cred on a non-current task is forbidden unless...