Latest CVE Feed

Vulnerabilities published in the last 30 days. Filter by severity, exploit status, or attack vector.

Score
Vulnerability
Published
0.0 NA
CVE-2026-64398 — ksmbd: add a permission check for FSCTL_SET_ZERO_DATA

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add a permission check for FSCTL_SET_ZERO_DATA FSCTL_SET_ZERO_DATA in smb2_ioctl() destroys file data via ksmbd_vfs_zero_d…

linux_kernel | Authorization
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64397 — ksmbd: serialize QUERY_DIRECTORY requests per file

In the Linux kernel, the following vulnerability has been resolved: ksmbd: serialize QUERY_DIRECTORY requests per file smb2_query_dir() stores a pointer to its stack-allocated private data in the k…

linux_kernel | Race Condition
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64396 — ksmbd: fix UAF of struct file_lock in SMB2_LOCK deferred-lock cancellation

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix UAF of struct file_lock in SMB2_LOCK deferred-lock cancellation When a blocking byte-range lock request is deferred in…

linux_kernel | Memory Corruption
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64395 — ksmbd: require source read access for duplicate extents

In the Linux kernel, the following vulnerability has been resolved: ksmbd: require source read access for duplicate extents FSCTL_DUPLICATE_EXTENTS_TO_FILE passes the source file directly to vfs_cl…

linux_kernel | Authorization
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64394 — ksmbd: add a WRITE_DAC/WRITE_OWNER check to SMB2 SET_INFO SECURITY

In the Linux kernel, the following vulnerability has been resolved: ksmbd: add a WRITE_DAC/WRITE_OWNER check to SMB2 SET_INFO SECURITY commit cc57232cae23 ("ksmbd: fix FSCTL permission bypass by ad…

linux_kernel | Authorization
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64393 — ksmbd: run set info with opener credentials

In the Linux kernel, the following vulnerability has been resolved: ksmbd: run set info with opener credentials SMB2 SET_INFO handlers call path-based VFS helpers after checking the access mask gra…

linux_kernel | Authorization
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64392 — ksmbd: use opener credentials for delete-on-close

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use opener credentials for delete-on-close Delete-on-close can be completed by deferred or durable handle teardown, where …

linux_kernel | Authorization
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64391 — ksmbd: use opener credentials for ADS I/O

In the Linux kernel, the following vulnerability has been resolved: ksmbd: use opener credentials for ADS I/O Alternate data streams are stored as xattrs. Unlike regular file I/O, their read and wr…

linux_kernel | Authorization
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64390 — ksmbd: track the connection owning a byte-range lock

In the Linux kernel, the following vulnerability has been resolved: ksmbd: track the connection owning a byte-range lock SMB2_LOCK adds each granted byte-range lock to both the file lock list and t…

linux_kernel | Race Condition
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64389 — ksmbd: validate NTLMv2 response before updating session key

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate NTLMv2 response before updating session key ksmbd_auth_ntlmv2() derives the NTLMv2 session key into sess->sess_ke…

linux_kernel | Authentication
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64388 — smb/client: fix chown/chgrp with SMB3 POSIX Extensions

In the Linux kernel, the following vulnerability has been resolved: smb/client: fix chown/chgrp with SMB3 POSIX Extensions Ownership (chown) and group (chgrp) modifications were being ignored when …

linux_kernel | Misconfiguration
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64387 — smb: client: fix query directory replay double-free

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query directory replay double-free A response-bearing attempt can return a replayable error and free its respons…

linux_kernel | Memory Corruption
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64386 — smb: client: fix query_info() replay double-free

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query_info() replay double-free A response-bearing attempt can return a replayable error and free its response b…

linux_kernel | Memory Corruption
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64385 — smb: client: fix double-free in SMB2_ioctl() replay

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_ioctl() replay A response-bearing attempt can return a replayable error and free its respons…

linux_kernel | Memory Corruption
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64384 — smb: client: fix change notify replay double-free

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix change notify replay double-free A response-bearing attempt can return a replayable error and free its response …

linux_kernel | Memory Corruption
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64383 — smb: client: fix double-free in SMB2_flush() replay

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_flush() replay SMB2_flush() keeps its response buffer bookkeeping across replay attempts. If…

linux_kernel | Memory Corruption
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64382 — smb: client: fix double-free in SMB2_open() replay

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_open() replay A response-bearing attempt can return a replayable error and free its response…

linux_kernel | Memory Corruption
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64381 — smb: client: Fix next buffer leak in receive_encrypted_standard()

In the Linux kernel, the following vulnerability has been resolved: smb: client: Fix next buffer leak in receive_encrypted_standard() receive_encrypted_standard() allocates next_buffer before check…

linux_kernel | Memory Corruption
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64380 — smb: client: harden POSIX SID length parsing

In the Linux kernel, the following vulnerability has been resolved: smb: client: harden POSIX SID length parsing posix_info_sid_size() reads sid[1] to obtain the subauthority count, but its existin…

linux_kernel | Memory Corruption
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
0.0 NA
CVE-2026-64379 — smb: client: mask server-provided mode to 07777 in modefromsid

In the Linux kernel, the following vulnerability has been resolved: smb: client: mask server-provided mode to 07777 in modefromsid When modefromsid is active, parse_dacl() applies the server-provid…

linux_kernel | Misconfiguration
Jul 25, 2026 Jul 25, 2026
Jul 25, 2026
Jul 25, 2026
Showing 20 of 9243 Results