EUVD-2022-55839

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

UBUNTU-CVE-2023-54258

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential oops in cifsoplockbreak With deferred close we can have closes that race with lease breaks, and so with the current checks for whether to send the lease response, oplockresponse, this can mean that an unmount...

UBUNTU-CVE-2022-50885

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix NULL-ptr-deref in rxeqpdocleanup when socket create failed There is a null-ptr-deref when mount.cifs over rdma: BUG: KASAN: null-ptr-deref in rxeqpdocleanup+0x2f3/0x360 rdmarxe Read of size 8 at addr 000000000000001...

UBUNTU-CVE-2023-54203

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix slab-out-of-bounds in initsmb2rsphdr When smb1 mount fails, KASAN detect slab-out-of-bounds in initsmb2rsphdr like the following one. For smb1 negotiate56bytes , initsmb2rsphdr for smb2 is called. The issue occurs whil...

UBUNTU-CVE-2023-54260

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix lost destroy smbd connection when MR allocate failed If the MR allocate failed, the smb direct connection info is NULL, then smbddestroy will directly return, then the connection info will be leaked. Let's set the smb...

CVE-2022-50885

In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix NULL-ptr-deref in rxeqpdocleanup when socket create failed There is a null-ptr-deref when mount.cifs over rdma: BUG: KASAN: null-ptr-deref in rxeqpdocleanup+0x2f3/0x360 rdmarxe Read of size 8 at addr 000000000000001...

CVE-2022-50859

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

CVE-2022-50856

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifssesaddchannel Before return, should free the xid, otherwise, the xid will be leaked...

CVE-2022-50859

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

UBUNTU-CVE-2022-50859

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

CVE-2023-54280 cifs: fix potential race when tree connecting ipc

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential race when tree connecting ipc Protect access of TCPServerInfo::hostname when building the ipc tree name as it might get freed in cifsd thread and thus causing an use-after-free bug in treeconnectdfstarget. Als...

CVE-2023-54258

In the Linux kernel, the following vulnerability has been resolved: cifs: fix potential oops in cifsoplockbreak With deferred close we can have closes that race with lease breaks, and so with the current checks for whether to send the lease response, oplockresponse, this can mean that an unmount...

CVE-2022-50859

CVE-2022-50859 : Linux kernel CIFS: fix for the error length of VALIDATE_NEGOTIATE_INFO message. The fix shortens the message from 28 bytes to 26 bytes by correcting the extended-dialect length after adding smb3.1.1 to the default dialect list. Root cause: after extending the dialects from 3 to 4...

CVE-2022-50859 cifs: Fix the error length of VALIDATE_NEGOTIATE_INFO message

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

CVE-2022-50859 cifs: Fix the error length of VALIDATE_NEGOTIATE_INFO message

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix the error length of VALIDATENEGOTIATEINFO message Commit d5c7076b772a "smb3: add smb3.1.1 to default dialect list" extend the dialects from 3 to 4, but forget to decrease the extended length when specific the dialect,...

CVE-2022-50856 cifs: Fix xid leak in cifs_ses_add_channel()

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifssesaddchannel Before return, should free the xid, otherwise, the xid will be leaked...

CVE-2022-50856

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifssesaddchannel Before return, should free the xid, otherwise, the xid will be leaked...

PT-2025-53977

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel's CIFS implementation related to the length of the VALIDATE NEGOTIATE INFO message. A commit extended the dialects from 3 to 4 but failed to adjust the...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992334)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992334 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: fix DFS traversal oops without CONFIGCIFSDFSUPCALL When compiled with CONFIGCIFSDFSUPCALL...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-992527)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992527 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: fix DFS traversal oops without CONFIGCIFSDFSUPCALL When compiled with CONFIGCIFSDFSUPCALL...