PT-2026-98029

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the SMB client during the creation of the cifsd demultiplex thread. The cifsd thread may execute and access the tcp ses structure before the parent thread has...

CVE-2026-93801

In the Linux kernel, the following vulnerability has been resolved: smb/client: zero-initialize stack-allocated cifsopeninfodata Stack-allocated cifsopeninfodata may contain random data. This can make some fields have wrong value if they are not set later...

CVE-2026-93794

In the Linux kernel, the following vulnerability has been resolved: smb/client: flush dirty data before punching a hole Punching a hole after a large buffered write may leave the range reported as data. Reproduce it with: xfsio -f \ -c "pwrite -b 3m -S 0x61 0 3m" \ -c "fpunch 1m 1m" \ -c "seek -h...

CVE-2026-93801: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: smb/client: zero-initialize stack-allocated cifsopeninfodata Stack-allocated cifsopeninfodata may contain random data. This can make some fields have wrong value if they are not set later...

PT-2026-98001

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the smb/client component where the stack-allocated cifs open info data is not zero-initialized. This can result in the structure containing random data, potentially...

PT-2026-97987

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the cifs filldir function copies entry names from SMB1 TRANS2 FIND FIRST or FIND NEXT responses using a length de.namelen provided by the server...

CVE-2026-93210

In the Linux kernel, the following vulnerability has been resolved: smb: client: harden DFS cache against invalid target hints Currently, gettgtname returns ERRPTR-ENOENT when ce-tgthint is NULL, and dfscachenorequpdatetgthint assumes ce-tgthint is always valid. In preparation for clearing...

ROS-20260923-73-0053

The vulnerability of the parsedfsreferrals function in the fs/smb/client/misc.c module of the SMB client support library in the Linux operating system is related to reading beyond the buffer boundaries. Exploiting this vulnerability could allow an attacker to cause a service failure...

ROS-20260923-73-0030

The vulnerability of the fs/smb/client component in the Linux operating system is related to errors during the update of the link counters. Exploiting this vulnerability can allow an attacker to cause a service failure...

K000163366: Linux kernel vulnerability CVE-2026-31613

Security Advisory Description In the Linux kernel, the following vulnerability has been resolved: smb: client: fix OOB reads parsing symlink error response When a CREATE returns STATUSSTOPPEDONSYMLINK, smb2checkmessage returns success without any length validation, leaving the symlink parsers as...

kernel: smb: client: fix double-free in SMB2_open() replay

A flaw was found in the Linux kernel's Server Message Block SMB client. A double-free vulnerability exists in the SMB2open replay mechanism. This occurs when a response-bearing attempt returns a replayable error and frees its response buffer, and then the cleanup process attempts to free the same...

AZL-102230 CVE-2026-90125 affecting package kernel for versions less than 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix request buffer leak in smb2newreadreq smb2newreadreq allocates the request buffer with smb2plainreqinit but only publishes it to the caller with buf = req at the very end of the function. Two error returns sit in...

DEBIAN-CVE-2026-90125

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix request buffer leak in smb2newreadreq smb2newreadreq allocates the request buffer with smb2plainreqinit but only publishes it to the caller with buf = req at the very end of the function. Two error returns sit in...

CVE-2026-90125

CVE-2026-90125 is a request buffer leak in the Linux kernel's SMB client , specifically in smb2_new_read_req(). The function allocates a buffer via smb2_plain_req_init() but fails to release it on two early error returns: a failed initialization and a failed smbd_register_mr() call. Because -EAGA...

EUVD-2026-81718

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix request buffer leak in smb2newreadreq smb2newreadreq allocates the request buffer with smb2plainreqinit but only publishes it to the caller with buf = req at the very end of the function. Two error returns sit in...

kernel: smb: client: fix double-free in SMB2_open() replay

A flaw was found in the Linux kernel's Server Message Block SMB client. A double-free vulnerability exists in the SMB2open replay mechanism. This occurs when a response-bearing attempt returns a replayable error and frees its response buffer, and then the cleanup process attempts to free the same...

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,...

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

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...