CVE-2026-53198

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free of a deferred filelock on double SMB2CANCEL A deferred byte-range lock an SMB2LOCK that blocks registers an async work on conn-asyncrequests via setupasyncwork, with cancelfn = smb2removeblockedlock and...

Astra Linux – Vulnerability found in Linux 6.12, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: The socket is closed after it has been accepted, even when the per-IP limit is exceeded and a connection attempt fails. When the per-IP connection limit is exceeded in ksmbdkthreadfn, the code sets ret to -EAGAIN and...

PT-2026-51940

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the ksmbd crypt message function when using asynchronous hardware crypto engines, such as the Qualcomm Crypto Engine QCE. The function sets a NULL...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: ksmbd: A mechToken leak was fixed when the SPNEGO decoding failed after the token allocation. The kernel’s ASN.1 BER decoder calls action callbacks incrementally as it processes the input. When ksmbddecodenegTokenInit reaches the...

Astra Linux – Vulnerability in Linux 5.10

In the Linux kernel, the following vulnerabilities have been resolved: ksmbd: The function ipcvalidatemsg now validates the response sizes. This function calculates the expected message size for each response type by adding or multiplying attacker-controlled fields from the daemon’s response to a...

EUVD-2026-28682

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free by using callrcu for oplockinfo ksmbd currently frees oplockinfo immediately using kfree, even though it is accessed under RCU read-side critical sections in places like opinfoget and procshowfiles. Sinc...

CVE-2025-71223

CVE-2025-71223 affects the Linux kernel's ksmbd SMB server path (smb2_open and ksmbd_vfs_getattr). The issue is a refcount leak when ksmbd_vfs_getattr() fails, potentially causing resource leakage and local impact. A kernel update fixing the refcount leak is provided by the referenced advisories ...

AZL-53570 CVE-2024-50285 affecting package kernel for versions less than 6.6.64.2-1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: check outstanding simultaneous SMB operations If Client send simultaneous SMB operations to ksmbd, It exhausts too much memory through the "ksmbdworkcache”. It will cause OOM issue. ksmbd has a credit mechanism but it can'...

The vulnerability of the smb2_get_data_area_len function (fs/smb/server/smb2misc.c) in the Linux file system KSMBD kernel allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the smb2getdataarealen function in the file system KSMBD of the Linux operating system is related to reading data beyond the buffer boundaries in memory. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity, and accessibility of t...

USN-6464-1 linux, linux-aws, linux-aws-6.2, linux-azure, linux-azure-6.2, linux-azure-fde-6.2, linux-gcp, linux-gcp-6.2, linux-hwe-6.2, linux-kvm, linux-lowlatency, linux-lowlatency-hwe-6.2, linux-oracle, linux-raspi, linux-starfive vulnerabilities

Yu Hao and Weiteng Chen discovered that the Bluetooth HCI UART driver in the Linux kernel contained a race condition, leading to a null pointer dereference vulnerability. A local attacker could use this to cause a denial of service system crash. CVE-2023-31083 Lin Ma discovered that the Netlink...