EUVD-2026-86218

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix races in cifsd thread creation The cifsd demultiplex thread can run and access tcpses before the parent thread has finished populating tcpses, which the worker thread accesses locklessly. Also, the kthreadrun mac...

CVE-2026-93801 smb/client: zero-initialize stack-allocated cifs_open_info_data

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-2026-93801

The Linux kernel contains a vulnerability in the smb/client component where the stack-allocated cifs_open_info_data is not zero-initialized. This allows the structure to contain random data , potentially causing fields to have incorrect values if they are not explicitly set later. No specific exp...

CVE-2026-93801 smb/client: zero-initialize stack-allocated cifs_open_info_data

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...

EUVD-2026-86188

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

The Linux kernel contains a vulnerability in the smb/client component where punching a hole after a large buffered write can result in the range being incorrectly reported as data. This occurs because a dirty folio spanning the punched range can be written back after the punch, refilling the hole...

EUVD-2026-86181

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-2026-93794 smb/client: flush dirty data before punching a hole

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-2026-93794 smb/client: flush dirty data before punching a hole

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-2026-93787 smb: client: bound dirent name against end of SMB response in cifs_filldir

In the Linux kernel, the following vulnerability has been resolved: smb: client: bound dirent name against end of SMB response in cifsfilldir cifsfilldir copies the entry name out of an SMB1 TRANS2FINDFIRST / FINDNEXT response using a length de.namelen supplied by the server. The kmalloc'd SMB...

CVE-2026-93210

The Linux kernel contains a vulnerability in the SMB client component where the DFS cache is not properly hardened against invalid target hints. Specifically, the get_tgt_name() function returns ERR_PTR(-ENOENT) when ce->tgthint is NULL, while dfs_cache_noreq_update_tgthint() incorrectly assum...

CVE-2026-93210 smb: client: harden DFS cache against invalid target hints

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...

kernel: smb: client: fix double-free in SMB2_flush() replay

A flaw was found in the Linux kernel's Server Message Block SMB client. This vulnerability, a double-free error within the SMB2flush replay mechanism, occurs when the system attempts to free a memory buffer twice. A malicious SMB server could exploit this by sending a specially crafted flush...

kernel: smb: client: fix double-free in SMB2_flush() replay

A flaw was found in the Linux kernel's Server Message Block SMB client. This vulnerability, a double-free error within the SMB2flush replay mechanism, occurs when the system attempts to free a memory buffer twice. A malicious SMB server could exploit this by sending a specially crafted flush...

Linux Distros Unpatched Vulnerability : CVE-2026-93801

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - smb/client: zero-initialize stack-allocated cifsopeninfodata Stack-allocated cifsopeninfodata may contain random data. This can make some fields have wrong valu...

Linux Distros Unpatched Vulnerability : CVE-2026-93794

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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 ...

CVE-2026-93210: Undefined Security Weakness

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...

PT-2026-97877

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client DFS cache where the get tgt name function returns an error pointer when the ce-tgthint variable is NULL. Additionally, the dfs cache noreq update tgthin...

CVE-2026-93794: Undefined Security Weakness

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...

PT-2026-97994

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where punching a hole after a large buffered write may result in the range being incorrectly reported as data. This occurs because a dirty folio spannin...