CVE-2026-43350

In the Linux kernel, the following vulnerability has been resolved: smb: client: require a full NFS mode SID before reading mode bits parsedacl treats an ACE SID matching sidunixNFSmode as an NFS mode SID and reads sid.subauth2 to recover the mode bits. That assumes the ACE carries three...

CVE-2024-27686

Mikrotik RouterOS x86 6.40.5 through 6.49.10 fixed in 7 allows a remote attacker to cause a denial of service device crash via crafted packet data to the SMB service on TCP port 445...

Linux Kernel Security Vulnerabilities

The Linux kernel is the kernel used by the Linux operating system developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from ksmbd’s ability to record key bytes during SMB3 signature and encryption key generation, potentially...

CVE-2024-27686

Mikrotik RouterOS x86 6.40.5 through 6.49.10 fixed in 7 allows a remote attacker to cause a denial of service device crash via crafted packet data to the SMB service on TCP port 445...

CVE-2024-27686

Mikrotik RouterOS x86 6.40.5 through 6.49.10 fixed in 7 allows a remote attacker to cause a denial of service device crash via crafted packet data to the SMB service on TCP port 445...

PT-2026-39001

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the SMB client where the parse dacl function incorrectly handles Access Control Entry ACE SIDs. The function treats an ACE SID matching sid unix NFS mode as an NFS mode...

PT-2026-39023

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 6.10 Description A flaw exists in the SMB client where the SMB2 write function places the write payload in iov1..n as part of rq iov. Because smb3 init transform rq pointer-shares rq iov, the crypt message functi...

CVE-2024-27686

MikroTik RouterOS (x86) versions 6.40.5 through 6.49.10 are vulnerable to a Denial of Service (DoS) attack due to insufficient handling of crafted SMB requests. A remote attacker can send specially designed packet data to the SMB service on TCP port 445 , causing the device to crash or become unr...

Mikrotik RouterOS resource management error vulnerabilities

Mikrotik RouterOS is an operating system for network devices developed by the Latvian company Mikrotik. There were resource management vulnerabilities in the Mikrotik RouterOS x86 version 6.40.5 to 6.49.10. These vulnerabilities stemmed from the SMB service’s handling of specially crafted packets...

SMB2 Protocol SMB2 DoS

The vulnerability of SMB2 protocol analyzer in Wireshark is related to improper management of sequential memory allocation. Exploiting this vulnerability can allow attackers to cause service failures...

CVE-2026-43239

A flaw was found in the Linux kernel's Server Message Block SMB client. A race condition exists where multiple operations attempting to update network interfaces could execute simultaneously. This concurrency issue could lead to an inconsistent state within the SMB client, potentially causing...

EUVD-2026-27800

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in -queryinterfaces It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating ifacelastupdate under ifacelock...

CVE-2026-43239

In the Linux kernel, the following vulnerability has been resolved: smb: client: prevent races in -queryinterfaces It was possible for two query interface works to be concurrently trying to update the interfaces. Prevent this by checking and updating ifacelastupdate under ifacelock...

CVE-2026-43112

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath When cifssanitizeprepath is called with an empty string or a string containing only delimiters e.g., "/", the current logic attempts to check cursor2 - 1 before cursor2...

CVE-2026-43112

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath When cifssanitizeprepath is called with an empty string or a string containing only delimiters e.g., "/", the current logic attempts to check cursor2 - 1 before cursor2...

CVE-2026-43112 fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifssanitizeprepath When cifssanitizeprepath is called with an empty string or a string containing only delimiters e.g., "/", the current logic attempts to check cursor2 - 1 before cursor2...

PT-2026-37579

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the SMB client within the query interfaces function. This occurs when two query interface operations concurrently attempt to update the interfaces. The issue i...

PT-2026-44278

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An out-of-bounds read exists in the smb2 compound op function. This occurs when a server sends a truncated response with a large OutputBufferLength and terminates the EA list early. In...

Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS : curl vulnerabilities (USN-8227-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS / 25.10 / 26.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-8227-1 advisory. It was discovered that curl incorrectly reused non-TLS connections when TLS was required in some STARTTLS configurations....

Linux Distros Unpatched Vulnerability : CVE-2026-31710

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: smb: client: fix dir separator in SMB1 UNIX mounts When calling cifsmountgettcon with SMB1...