Linux Kernel ksmbd Session Race Condition Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code 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 processing of SMB2SESSIONSETUP...

Linux Kernel ksmbd Session Setup Memory Leak 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 SAMR 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 processing of the SAMROPNUMQUERYUSERINFO opcode. The issue results from the la...

Linux Kernel ksmbd Memory Exhaustion Denial-of-Service Vulnerability

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of the Linux Kernel. Authentication is not required to exploit this vulnerability. The specific flaw exists within the handling of new TCP connections. The issue results from the lack of...

Canonical ksmbd-tools LSARPC 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 processing of the LSARPCOPNUMLOOKUPSID2 opcode. The issue results from the lac...

Linux Kernel ksmbd Multichannel Improper Authentication Session Hijack Vulnerability

This vulnerability allows remote attackers to hijack a session 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 Session ID within Multichanne...

Linux Kernel ksmbd Session Setup Memory Exhaustion 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 SRVSVC Null Pointer Dereference Denial-of-Service Vulnerability

This vulnerability allows remote attackers to create a denial-of-service condition on affected installations of Canonical ksmbd-tools. Authentication is not required to exploit this vulnerability. The specific flaw exists within the processing of the SRVSVCOPNUMGETSHAREINFO opcode. The issue...

Linux Kernel ksmbd RCU Callback Race Condition Local Privilege Escalation Vulnerability

This vulnerability allows local attackers to execute arbitrary code on affected installations of Linux Kernel. An attacker must first obtain the ability to execute high-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the handling of...

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 Race Condition Remote Code Execution Vulnerability

This vulnerability allows remote attackers to execute arbitrary code 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 processing of SMB2TREEDISCONNECT...

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...