Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the reuse of the ksmbdsessionsderegister function after release...

PT-2025-20331

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability has been resolved in the Linux kernel related to the ksmbd module. The issue arises when the wait event timeout function sets the state of the current task to TASK...

PT-2025-18456

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A warning in the Linux kernel has been resolved, specifically in the ksmbd component, related to the kernel write iter function. This issue prevented writing to a directory...

SUSE CVE-2025-21967

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdfreeworkstruct -interimentry of ksmbdwork could be deleted after oplock is freed. We don't need to manage it with linked list. The interim request could be immediately sent whenever a oplock brea...

SUSE CVE-2025-21994

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix incorrect validation for numaces field of smbacl parsedcal validate numaces to allocate posixacestatearray. if numaces ULONGMAX / sizeofstruct smbace It is an incorrect validation that we can create an array of size...

SUSE CVE-2025-21945

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2lock If smblock-zerolen has value, -llist of smblock is not delete and flock is old one. It will cause use-after-free on error handling routine...

SUSE CVE-2025-21946

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bounds in parsesecdesc If osidoffset, gsidoffset and dacloffset could be greater than smbntsd struct size. If it is smaller, It could cause slab-out-of-bounds. And when validating sid, It need to check it includ...

CVE-2025-21994

CVE-2025-21994 in the Linux kernel ksmbd component fixes an incorrect validation of the num_aces field in smb_acl. The code previously validated num_aces against ULONG_MAX / sizeof(struct smb_ace *), allowing potential allocation of an array of size ULONG_MAX. The correct check uses the actual nu...

CVE-2025-21994 ksmbd: fix incorrect validation for num_aces field of smb_acl

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix incorrect validation for numaces field of smbacl parsedcal validate numaces to allocate posixacestatearray. if numaces ULONGMAX / sizeofstruct smbace It is an incorrect validation that we can create an array of size...

CVE-2025-21994

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix incorrect validation for numaces field of smbacl parsedcal validate numaces to allocate posixacestatearray. if numaces ULONGMAX / sizeofstruct smbace It is an incorrect validation that we can create an array of size...

SUSE CVE-2025-21955

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbdwork could be freed when after connection release. Increment rcount of ksmbdconn to indicate that requests are not finished yet and to not release the...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from incorrect validation of the numaces field of smbacl by the ksmbd module, which could lead to memory allocati...

CVE-2025-21967

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdfreeworkstruct -interimentry of ksmbdwork could be deleted after oplock is freed. We don't need to manage it with linked list. The interim request could be immediately sent whenever a oplock brea...

DEBIAN-CVE-2025-21967

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in ksmbdfreeworkstruct -interimentry of ksmbdwork could be deleted after oplock is freed. We don't need to manage it with linked list. The interim request could be immediately sent whenever a oplock brea...

CVE-2025-21955

In the Linux kernel, the following vulnerability has been resolved: ksmbd: prevent connection release during oplock break notification ksmbdwork could be freed when after connection release. Increment rcount of ksmbdconn to indicate that requests are not finished yet and to not release the...

CVE-2025-21944

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix bug on trap in smb2lock If lock count is greater than 1, flags could be old value. It should be checked with flags of smblock, not flags. It will cause bug-on trap from locksfreelock in error handling routine...

CVE-2025-21947

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix type confusion via race condition when using ipcmsgsendrequest req-handle is allocated using ksmbdacquireid&ipcida, based on idaalloc. req-handle from ksmbdipcloginrequest and FSCTLPIPETRANSCEIVE ioctl can be same and ...

AZL-59760 CVE-2025-21947 affecting package kernel 5.15.200.1-1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix type confusion via race condition when using ipcmsgsendrequest req-handle is allocated using ksmbdacquireid&ipcida, based on idaalloc. req-handle from ksmbdipcloginrequest and FSCTLPIPETRANSCEIVE ioctl can be same and ...

DEBIAN-CVE-2025-21945

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in smb2lock If smblock-zerolen has value, -llist of smblock is not delete and flock is old one. It will cause use-after-free on error handling routine...

AZL-59862 CVE-2025-21947 affecting package kernel for versions less than 6.6.85.1-2

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix type confusion via race condition when using ipcmsgsendrequest req-handle is allocated using ksmbdacquireid&ipcida, based on idaalloc. req-handle from ksmbdipcloginrequest and FSCTLPIPETRANSCEIVE ioctl can be same and ...