PT-2026-61226

In the Linux kernel, the following vulnerability has been resolved: ksmbd: OOB read regression in smb check perm dacl ACE-walk loops Commit d07b26f39246 "ksmbd: require minimum ACE size in smb check perm dacl" introduced a transposed bounds check: if offsetofstruct smb ace, sid + aces size size...

CVE-2026-31705 ksmbd: fix out-of-bounds write in smb2_get_ea() EA alignment

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix out-of-bounds write in smb2getea EA alignment smb2getea applies 4-byte alignment padding via memset after writing each EA entry. The bounds check on buffreelen is performed before the value memcpy, but the alignment...

CVE-2026-31478

A flaw was found in ksmbd within the Linux kernel. This vulnerability occurs due to an incorrect calculation of the response buffer length in the smb2calcmaxoutbuflen function. The function used a hardcoded value instead of the proper offset, which could lead to issues in how response buffers are...

CVE-2026-31478 ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: replace hardcoded hdr2len with offsetof in smb2calcmaxoutbuflen After this commit e2b76ab8b5c9 "ksmbd: add support for read compound", response buffer management was changed to use dynamic iov array. In the new design,...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-010702)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010702 advisory. An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. There is an out-of- bounds read and OOPS for SMB2WRITE, when there is a large...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fixed the use-of-free issue in session logoff. The sess-user object may currently be used by another thread. For example, if another connection sends a session setup request to make the session available for use. The...

CVE-2023-54250 ksmbd: avoid out of bounds access in decode_preauth_ctxt()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: avoid out of bounds access in decodepreauthctxt Confirm that the accessed pnegctxt-HashAlgorithms address sits within the SMB request boundary; deassemblenegcontexts only checks that the eight byte smb2negcontext header +...

EUVD-2023-42915

Malicious code in bioql PyPI...

EUVD-2025-26503

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2023-32255

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in the Linux kernel's ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type,...

CVE-2025-38561

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix PreauhHashValue race condition If client send multiple session setup requests to ksmbd, PreauhHashValue race condition could happen. There is no need to free sess-PreauhHashValue at session setup phase. It can be freed...

Linux Distros Unpatched Vulnerability : CVE-2021-45100

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - The ksmbd server through 3.4.2, as used in the Linux kernel through 5.15.8, sometimes communicates in cleartext even though encryption has been enabled. This...

Linux Distros Unpatched Vulnerability : CVE-2022-47941

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - An issue was discovered in ksmbd in the Linux kernel 5.15 through 5.19 before 5.19.2. fs/ksmbd/smb2pdu.c omits a kfree call in certain smb2handlenegotiate error...

DEBIAN-CVE-2023-32253

A flaw was found in the Linux kernel's ksmbd component. A deadlock is triggered by sending multiple concurrent session setup requests, possibly leading to a denial of service...

UBUNTU-CVE-2023-32253

A flaw was found in the Linux kernel's ksmbd component. A deadlock is triggered by sending multiple concurrent session setup requests, possibly leading to a denial of service...

UBUNTU-CVE-2023-32255

A flaw was found in the Linux kernel's ksmbd component. A memory leak can occur if a client sends a session setup request with an unknown NTLMSSP message type, potentially leading to resource exhaustion...

DEBIAN-CVE-2023-32256

A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue...

UBUNTU-CVE-2023-32256

A flaw was found in the Linux kernel's ksmbd component. A race condition between smb2 close operation and logoff in multichannel connections could result in a use-after-free issue...

DEBIAN-CVE-2023-32251

A vulnerability has been identified in the Linux kernel's ksmbd component kernel SMB/CIFS server. A security control designed to prevent dictionary attacks, which introduces a 5-second delay during session setup, can be bypassed through the use of asynchronous requests. This bypass negates the...

CVE-2023-32251 Kernel: ksmbd brute force delay bypass via asynchronous requests

A vulnerability has been identified in the Linux kernel's ksmbd component kernel SMB/CIFS server. A security control designed to prevent dictionary attacks, which introduces a 5-second delay during session setup, can be bypassed through the use of asynchronous requests. This bypass negates the...