Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-013496)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-013496 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: prevent bad output lengths in smb2ioctlqueryinfo When calling smb2ioctlqueryinfo with...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ksmbd module’s handling of the QUERYINFOSecurity composite request. This vulnerability may le...

PT-2026-34275

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds write exists in ksmbd when processing compound requests, such as READ combined with QUERY INFOSecurity. If the initial command consumes most of the response buffer, ksmb...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-010699)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010699 advisory. An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is a heap- based buffer overflow in setntacldacl, related to use of...

MiracleLinux 9 : kernel-5.14.0-162.6.1.el9_1 (AXSA:2023-4648:01)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2023-4648:01 advisory. off-path attacker may inject data or terminate victim's TCP session CVE-2020-36516 use-after-free vulnerability in function scosocksendmsg...

SUSE CVE-2025-40320

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential cfid UAF in smb2queryinfocompound When smb2queryinfocompound retries, a previously allocated cfid may have been freed in the first attempt. Because cfid wasn't reset on replay, later cleanup could act o...

EUVD-2025-201625

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential cfid UAF in smb2queryinfocompound When smb2queryinfocompound retries, a previously allocated cfid may have been freed in the first attempt. Because cfid wasn't reset on replay, later cleanup could act o...

DEBIAN-CVE-2025-40320

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential cfid UAF in smb2queryinfocompound When smb2queryinfocompound retries, a previously allocated cfid may have been freed in the first attempt. Because cfid wasn't reset on replay, later cleanup could act o...

CVE-2025-40320

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential cfid UAF in smb2queryinfocompound When smb2queryinfocompound retries, a previously allocated cfid may have been freed in the first attempt. Because cfid wasn't reset on replay, later cleanup could act o...

CVE-2025-40320

CVE-2025-40320 pertains to the Linux kernel CIFS smb2_query_info_compound path. The issue is a use-after-free: when smb2_query_info_compound() retries, a previously allocated cfid could be freed in the first attempt, and without resetting on replay, cleanup may operate on a stale pointer. The fix...

Unity Linux 20.1070e Security Update: kernel (UTSA-2025-987524)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-987524 advisory. In the Linux kernel, the following vulnerability has been resolved: cifs: prevent bad output lengths in smb2ioctlqueryinfo When calling smb2ioctlqueryinfo with...

smb: client: fix use-after-free in smb2_query_info_compound()

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SUSE CVE-2022-49271

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent bad output lengths in smb2ioctlqueryinfo When calling smb2ioctlqueryinfo with smbqueryinfo::flags=PASSTHRUFSCTL and smbqueryinfo::outputbufferlength=0, the following would return 0x10 buffer = memdupuserarg +...

UBUNTU-CVE-2022-49271

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent bad output lengths in smb2ioctlqueryinfo When calling smb2ioctlqueryinfo with smbqueryinfo::flags=PASSTHRUFSCTL and smbqueryinfo::outputbufferlength=0, the following would return 0x10 buffer = memdupuserarg +...

UBUNTU-CVE-2023-52751

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in smb2queryinfocompound The following UAF was triggered when running fstests generic/072 with KASAN enabled against Windows Server 2022 and mount options...

CVE-2023-32248

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2TREECONNECT and SMB2QUERYINFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this...

AZL-27760 CVE-2023-32248 affecting package kernel for versions less than 5.15.126.1-1

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2TREECONNECT and SMB2QUERYINFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this...

DEBIAN-CVE-2023-32248

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2TREECONNECT and SMB2QUERYINFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this...

UBUNTU-CVE-2023-32248

A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the handling of SMB2TREECONNECT and SMB2QUERYINFO commands. The issue results from the lack of proper validation of a pointer prior to accessing it. An attacker can leverage this...

The vulnerability of the ksmbd module in Linux operating systems allows a hacker to execute arbitrary code.

The vulnerability of the ksmbd module in Linux operating systems is related to synchronization errors when using shared resources. Exploiting this vulnerability allows a remote attacker to execute arbitrary code using the SMB2QUERYINFO and SMB2LOGOFF commands...