smack

SMACK is both a modular software verification toolchain and a self-contained software verifier. It can be used to verify the assertions in its input programs. In its default mode, assertions are verified up to a given bound on loop iterations and recursion depth; it contains experimental support...

sgxray

SGXRay: Automating Vulnerability Detection for SGX Apps Intel SGX protects isolated application logic and sensitive data inside an enclave with hardware-based memory encryption. To use such hardware-based security mechanism requires a strict programming model on memory usage， with complex APIs in...

CVE-2026-93191

A flaw was found in the Linux kernel's SMACK Simplified Mandatory Access Control Kernel module. The smackmsgqueuemsgrcv function incorrectly checks the permissions of the sending task instead of the receiving task when using a message queue. This allows an unauthorized local user, operating under...

ROS-20261012-73-0160

The vulnerability of the smack/smackfs.c component in the Linux operating system is related to incomplete recognition of internal conditions. Exploiting this vulnerability can allow an attacker to cause a service failure...

sgxray

SGXRay: Automatizzare il rilevamento delle vulnerabilità per le app SGX Intel SGX protegge la logica applicativa isolata e i dati sensibili all'interno di un enclave con crittografia della memoria basata su hardware. Per utilizzare questo meccanismo di sicurezza hardware è necessario un modello d...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: “smack”: fixed a bug where an unprivileged task could create labels. If an unprivileged task is allowed to relabel itself "/smack/relabel-self is not empty", it can freely create new labels by writing their names into its own...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed the potential use of a null pointer in destroyworkqueue within the error path of initcifs. Dan Carpenter reported a Smack static checker warning: fs/smb/client/cifsfs.c:1981 initcifs Error: We previously assumed th...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1, and Linux 5.15

In the Linux kernel, the following vulnerability has been resolved: smack: /smack/doi/ accepts previously used values. Writing a value to /smack/doi that has ever been written there in the past disables networking for non-ambient labels. For example: bash cat /smack/doi 3 netlabelctl -p cipso lis...

SUSE CVE-2026-93191

In the Linux kernel, the following vulnerability has been resolved: smack: fix incorrect task context in smackmsgqueuemsgrcv The smackmsgqueuemsgrcv function incorrectly checks the permissions of the 'current' task instead of the 'target' task. In the msgsnd syscall path, if a receiver is already...

Linux Distros Unpatched Vulnerability : CVE-2026-93191

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smack: fix incorrect task context in smackmsgqueuemsgrcv The smackmsgqueuemsgrcv function incorrectly checks the permissions of the 'current' task instead of t...

DEBIAN-CVE-2026-93191

In the Linux kernel, the following vulnerability has been resolved: smack: fix incorrect task context in smackmsgqueuemsgrcv The smackmsgqueuemsgrcv function incorrectly checks the permissions of the 'current' task instead of the 'target' task. In the msgsnd syscall path, if a receiver is already...

CVE-2026-93191

In the Linux kernel, the following vulnerability has been resolved: smack: fix incorrect task context in smackmsgqueuemsgrcv The smackmsgqueuemsgrcv function incorrectly checks the permissions of the 'current' task instead of the 'target' task. In the msgsnd syscall path, if a receiver is already...

CVE-2026-93191 smack: fix incorrect task context in smack_msg_queue_msgrcv

In the Linux kernel, the following vulnerability has been resolved: smack: fix incorrect task context in smackmsgqueuemsgrcv The smackmsgqueuemsgrcv function incorrectly checks the permissions of the 'current' task instead of the 'target' task. In the msgsnd syscall path, if a receiver is already...

CVE-2026-93191

CVE-2026-93191 affects the Linux kernel's SMACK (Security Markup and Labeling Kernel) module. The root cause is in smack_msg_queue_msgrcv(), which incorrectly checks the permissions of the current task rather than the target task. When the pipelined_send() optimization in the msgsnd() syscall pat...

PT-2026-94987

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The smack msg queue msgrcv function incorrectly validates permissions by checking the current task instead of the target task. During the msgsnd syscall path, the pipelined send...

CVE-2026-93191: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smack: fix incorrect task context in smackmsgqueuemsgrcv The smackmsgqueuemsgrcv function incorrectly checks the permissions of the 'current' task instead of the 'target' task. In the msgsnd syscall path, if a receiver is already...

SUSE 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...

Astra Linux – Vulnerabilities in Linux, Linux-5.10, Linux-5.15, Linux-6.1

In the Linux kernel, the following vulnerability has been resolved: Smack: TCP/IPv4; fixed incorrect labeling. Currently, Smack follows the labeling scheme for incoming TCP/IPv4 connections. When a connection labeled “foo” connects to a connection labeled “bar” via TCP/IPv4, “foo” always appears ...

Astra Linux – Vulnerability in Linux 5.10, Linux

In the Linux kernel, the following vulnerability has been resolved: LSM: General protection fault in legacyparseparam The usual LSM hook mechanism of “bailing on failure” doesn’t work in cases where a security module returns an error code indicating that it doesn’t recognize an input. In this...

Linux Distros Unpatched Vulnerability : CVE-2026-80928

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smack: fix cred UAF in smackfilesendsigiotask When inspecting the credentials of another task, objective credentials -realcred, accessed with taskcred must alwa...