Linux kernel 缓冲区错误漏洞

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 fs/ksmbd/smb2misc.c having an out-of-bounds read and an OOPS for SMB2TREECONNECT...

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 an issue discovered in ksmbd where fs/ksmbd/smb2pdu.c omits the kfree call, also known as a memory leak, und...

CVE-2022-20943

Multiple vulnerabilities in the Server Message Block Version 2 SMB2 processor of the Snort detection engine on multiple Cisco products could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS condition on an affected device. These...

CVE-2022-20922

Multiple vulnerabilities in the Server Message Block Version 2 SMB2 processor of the Snort detection engine on multiple Cisco products could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS condition on an affected device. These...

CVE-2022-20922

Multiple vulnerabilities in the Server Message Block Version 2 SMB2 processor of the Snort detection engine on multiple Cisco products could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS condition on an affected device. These...

Design/Logic Flaw

Multiple vulnerabilities in the Server Message Block Version 2 SMB2 processor of the Snort detection engine on multiple Cisco products could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS condition on an affected device. These...

Design/Logic Flaw

Multiple vulnerabilities in the Server Message Block Version 2 SMB2 processor of the Snort detection engine on multiple Cisco products could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS condition on an affected device. These...

kernel: smb2_ioctl_query_info NULL pointer dereference

A denial of service DOS issue was found in the Linux kernel’s smb2ioctlqueryinfo function in the fs/cifs/smb2ops.c Common Internet File System CIFS due to an incorrect return from the memdupuser function. This flaw allows a local, privileged CAPSYSADMIN attacker to crash the system...

CVE-2022-20943

Multiple vulnerabilities in the Server Message Block Version 2 SMB2 processor of the Snort detection engine on multiple Cisco products could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS condition on an affected device. These...

CVE-2022-20943

CVE-2022-20943 pertains to Cisco Snort SMB2 processing. The SMB2 processor in Snort 3 (on affected Cisco products) is vulnerable to resource-management issues when handling SMB2 traffic, enabling unauthenticated remote attackers to bypass policies or cause DoS by sending high rates of SMB2 packet...

CVE-2022-20922

The CVE-2022-20922 entry concerns multiple vulnerabilities in the SMB2 processor of the Snort detection engine on Cisco products (Snort 3 configured). Affected component: Snort SMB2 processing; root cause: improper management of system resources while handling SMB2 traffic. Impact: unauthenticate...

CVE-2022-20922

Multiple vulnerabilities in the Server Message Block Version 2 SMB2 processor of the Snort detection engine on multiple Cisco products could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS condition on an affected device. These...

Multiple Cisco Products Snort SMB2 Detection Engine Policy Bypass and Denial of Service Vulnerabilities

Multiple vulnerabilities in the Server Message Block Version 2 SMB2 processor of the Snort detection engine on multiple Cisco products could allow an unauthenticated, remote attacker to bypass the configured policies or cause a denial of service DoS condition on an affected device. These...

kernel: smb2_ioctl_query_info NULL pointer dereference

A denial of service DOS issue was found in the Linux kernel’s smb2ioctlqueryinfo function in the fs/cifs/smb2ops.c Common Internet File System CIFS due to an incorrect return from the memdupuser function. This flaw allows a local, privileged CAPSYSADMIN attacker to crash the system...

kernel security, bug fix, and enhancement update

5.14.0-70.30.1.0.10.OL9 - lockdown: also lock down previous kgdb use Daniel Thompson Orabug: 34290418 CVE-2022-21499 5.14.0-70.30.10.OL9 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted...

PT-2022-6028 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel versions 5.15 through 5.18 before 5.18.18 Description: The issue is related to a lack of length validation in the smb2 write function in the fs/ksmbd/smb2pdu.c module of the Linux kernel, which can lead to a buffer overflow in...

PT-2022-33940 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions v5.15 through v5.15.60 Description: A memory leak issue was discovered in the smb2 handle negotiate function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions...

PT-2022-33936 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions v5.15 through v5.15.60 Description: A use-after-free bug was discovered in the smb2 tree disconnect function. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions...

PT-2022-33938 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux Kernel versions prior to v5.15.61 Description: The issue is related to an out of bound read for SMB2 TREE CONNECT. The actual impact and attack plausibility have not yet been proven. Recommendations: For Linux Kernel versions prior to...

GSD-2022-1005356 ksmbd: prevent out of bound read for SMB2_TREE_CONNNECT

ksmbd: prevent out of bound read for SMB2TREECONNNECT This is an automated ID intended to aid in discovery of potential security vulnerabilities. The actual impact and attack plausibility have not yet been proven. This ID is fixed in Linux Kernel version v5.19.2 by commit...