CVE-2026-84543

An out-of-bounds access issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may cause unexpected system termination or corrupt kernel memory...

CVE-2026-84509

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may lead to unexpected system termination...

CVE-2026-84515

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may lead to kernel memory corruption...

CVE-2026-84515

An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may lead to kernel memory corruption...

CVE-2026-84515

Apple has addressed an out-of-bounds write vulnerability in macOS affecting versions prior to Golden Gate 27 , Sequoia 15.8 , and Tahoe 26.7 . The root cause involves insufficient bounds checking, which could allow an attacker connecting to a malicious SMB server to trigger kernel memory corrupti...

CVE-2026-84509

An out-of-bounds read vulnerability was identified in macOS affecting versions prior to Golden Gate 27 , Sequoia 15.8 , and Tahoe 26.7 . The flaw is caused by insufficient bounds checking and can be triggered by connecting to a malicious SMB server . This vulnerability may result in unexpected sy...

CVE-2026-84509

An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may lead to unexpected system termination...

EUVD-2026-77995

An integer underflow was addressed with improved input validation. This issue is fixed in macOS Golden Gate 27, macOS Sequoia 15.8, macOS Tahoe 26.7. Connecting to a malicious SMB server may lead to unexpected system termination...

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

In the Linux kernel, the following vulnerabilities have been resolved: smb: client: Added a check for nextbuffer in receiveencryptedstandard. Added a check on the return values of cifsbufget and cifssmallbufget in receiveencryptedstandard to prevent null pointer dereferencing...

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

In the Linux kernel, the following vulnerability has been resolved: smb: Client side – fixed a potential deadlock that could occur when releasing mids. All callers of releasemid seem to hold a reference to @mid. Therefore, there is no need to call krefput&mid-refcount, releasemid under...

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

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed a potential Use-after-Allocation UAF in cifsstatsprocshow. Skipped sessions that are being terminated status == SESEXITING to avoid UAF...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed a race condition that occurred due to concurrent opens during the rename2 operation. In addition to sending the rename request to the server, the rename process also involves closing any deferred closes, waitin...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fixed a potential Use-after-Allocation UAF in cifsstatsprocwrite. Skipped sessions that are being terminated status == SESEXITING to avoid UAF...

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: smb: client: fixed UAF in async decryption Performing async decryption large read results in a crash due to a slabuseafterfree issue in the crypto API. Reproducing the issue: mount.cifs -o ...,seal,esize=1 //srv/share /mnt dd...

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: smb: client: Fixed a use-after-free in cryptmessage when using asynchronous crypto. The fix for CVE-2024-50047 removes the asynchronous crypto handling from cryptmessage, assuming that all crypto operations are synchronous...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: smb: client: fixed a potential Use-after-Allocation error in cifssignalcifsdforreconnect. Skipped sessions that are being terminated status == SESEXITING to avoid UAF errors...

Astra Linux – Vulnerability in Linux 6.1

A use-after-free vulnerability in the Linux kernel’s fs/smb/client component can be exploited to gain local privilege escalation. In the event of an error in smb3fscontextParseparam, the ctx-password variable is freed, but the variable is not set to NULL, which could lead to a double-free. We...

kernel: smb: client: fix query directory replay double-free

A flaw was found in the Linux kernel's Server Message Block SMB client. This vulnerability, a double-free error, occurs when the client attempts to free the same memory buffer twice during a directory query operation. An attacker could potentially exploit this flaw to cause memory corruption,...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 10.0 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

Linux Distros Unpatched Vulnerability : CVE-2026-89632

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb: client: fix use-before-check of ReparseDataLength in reparsebufptr reparsebufptr reads buf-ReparseDataLength before checking that count covers the full...