Linux Kernel ksmbd Session NULL Pointer Dereference Denial-of-Service Vulnerability

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Linux Kernel. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable. The specific flaw exists within the handling of SMB2LOGOF...

Linux Kernel ksmbd Tree Connection NULL Pointer Dereference Denial-of-Service Vulnerability

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Linux Kernel. Authentication is not required to exploit this vulnerability, but only systems with ksmbd enabled are vulnerable. The specific flaw exists within the handling of...

Canonical ksmbd-tools WKSSVC Heap-based Buffer Overflow Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Canonical ksmbd-tools. Authentication is not required to exploit this vulnerability. The specific flaw exists within the WKSSVC service. The issue results from the lack of proper validation of the...

USN-6079-1: Linux kernel vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Ziming Zhang discovered that the VMware Virtual GPU DR...

USN-6079-1 linux, linux-aws, linux-azure, linux-azure-5.19, linux-kvm, linux-lowlatency, linux-raspi vulnerabilities

It was discovered that some AMD x86-64 processors with SMT enabled could speculatively execute instructions using a return address from a sibling thread. A local attacker could possibly use this to expose sensitive information. CVE-2022-27672 Ziming Zhang discovered that the VMware Virtual GPU DR...

PT-2023-3673 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.3.4 Description: An issue was discovered in the Linux kernel where ksmbd has an out-of-bounds read in smb2 find context vals when create context's name len is larger than the tag length. This issue may allow a...

PT-2023-3671 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.3.4 Description: The issue is related to the function session user in the fs/ksmbd/smb2pdu.c module of the Linux kernel's KSMBD file system. It involves an out-of-bounds read due to improper checking of the...

PT-2023-3670 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 6.3.4 Description: An issue was discovered in the Linux kernel that may lead to out-of-bounds access due to an off-by-one error in memory allocation. This error is caused by the ksmbd smb2 check message function...

PT-2023-2820 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: 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 SMB2 TREE CONNECT and SMB2 QUERY INFO commands. T...

PT-2023-2813

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The issue is related to insufficient protection of internal data in the ksmbd module of the Linux kernel, which can be exploited by a remote attacker to gain unauthorized access to...

PT-2023-2825 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: The issue is related to a synchronization error in the rcu barrier function of the ksmbd module in the Linux kernel, which can be exploited to elevate privileges and execute arbitrary...

PT-2023-2814 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux kernel's ksmbd affected versions not specified Description: The issue is related to errors in synchronization when using a shared resource in the Linux kernel's ksmbd module, a high-performance in-kernel SMB server. The specific flaw...

PT-2023-2822

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The issue is related to incorrect resource release in the ksmbd module of the Linux kernel, which can be exploited by a remote attacker to cause a denial-of-service using the SMB2 SESSIO...

PT-2023-2816 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The issue results from the lack of proper locking when performing operations on an object,...

PT-2023-2818 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: 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 SMB2 LOGOFF commands. The issue results from the...

PT-2023-2823 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux Kernel ksmbd affected versions not specified Description: A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of "SMB2 TREE DISCONNECT" commands. The issu...

PT-2023-2819

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The issue is related to a flaw in the authentication procedure of the ksmbd module in Linux operating systems. This flaw can be exploited by a remote attacker to perform a brute force...

PT-2023-2815 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: The issue is related to a flaw in the authentication procedure of the ksmbd module in Linux operating systems. This flaw can be exploited by a remote attacker to hijack an active...

PT-2023-2817

Name of the Vulnerable Software and Affected Versions Linux Kernel affected versions not specified Description The issue is related to incorrect resource release in the ksmbd module of the Linux kernel, which can be exploited by a remote attacker to cause a denial-of-service using the SMB2 SESSIO...

PT-2023-2821 · Linux +5 · Linux Kernel +5

Name of the Vulnerable Software and Affected Versions: Linux Kernel affected versions not specified Description: A flaw was found in the Linux kernel's ksmbd, a high-performance in-kernel SMB server. The specific flaw exists within the processing of SMB2 LOGOFF and SMB2 CLOSE commands. The issue...