ksmbd: use check_add_overflow() to prevent u16 DACL size overflow

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SUSE CVE-2026-31709

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate the whole DACL before rewriting it in cifsacl buildsecdesc and idmodetocifsacl derive a DACL pointer from a server-supplied dacloffset and then use the incoming ACL to rebuild the chmod/chown security...

CVE-2026-31712

A flaw was found in the ksmbd component of the Linux kernel. An authenticated Server Message Block SMB client with permissions to set an Access Control List ACL on a file can craft a malicious Discretionary Access Control List DACL. This crafted DACL, containing an undersized Access Control Entry...

CVE-2026-31712

In the Linux kernel, the following vulnerability has been resolved: ksmbd: require minimum ACE size in smbcheckpermdacl Both ACE-walk loops in smbcheckpermdacl only guard against an under-sized remaining buffer, not against an ACE whose declared ace-size is smaller than the struct it claims to...

CVE-2026-31709

In the Linux kernel, the following vulnerability has been resolved: smb: client: validate the whole DACL before rewriting it in cifsacl buildsecdesc and idmodetocifsacl derive a DACL pointer from a server-supplied dacloffset and then use the incoming ACL to rebuild the chmod/chown security...

CVE-2026-31706

In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate numaces and harden ACE walk in smbinheritdacl smbinheritdacl trusts the on-disk numaces value from the parent directory's DACL xattr and uses it to size a heap allocation: acesbase = kmallocsizeofstruct smbace...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from incomplete DACL validation in the functions buildsecdesc and idmodetocifsacl. This vulnerability...

Linux kernel 安全漏洞

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 the possibility of overflowing the u16 DACL size when performing operations on setposixaclentriesdacl a...

PT-2026-36339

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the SMB client where the system fails to fully validate the Discretionary Access Control List DACL before rewriting it in cifsacl. The functions build sec desc and id...

PT-2026-36334

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description In the ksmbd module, the functions set posix acl entries dacl and set ntacl dacl accumulate Access Control Entry ACE sizes using u16 variables. When a file contains numerous POSIX ACL...

PT-2026-38145

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 148.0.7778.96 Description Insufficient policy enforcement in Extensions allows a remote attacker who has compromised the renderer process to bypass discretionary access control a type of access control where the...

CVE-2025-63602

A vulnerability was discovered in Awesome Miner thru 11.2.4 that allows arbitrary read and write to kernel memory and MSRs such as LSTAR as an unprivileged user. This is due to the implementation of an insecure version of WinRing0 1.2.0.5, renamed to IntelliBreeze.Maintenance.Service.sys that lac...

EUVD-2007-1436

Malware in sbrugna...

EUVD-2019-9880

Malware in sbrugna...

EUVD-2007-1063

Malware in sbrugna...

EUVD-2024-46986

Malicious code in bioql PyPI...

Linux Distros Unpatched Vulnerability : CVE-2025-4051

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Insufficient data validation in DevTools in Google Chrome prior to 136.0.7103.59 allowed a remote attacker who convinced a user to engage in specific UI gesture...

Astra Linux – Vulnerability in Chromium

Inappropriate implementation in DevTools in Google Chrome prior to 136.0.7103.59 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass discretionary access control via a crafted HTML page. Chromium security severity: Low...

CVE-2019-1321

An elevation of privilege vulnerability exists when Windows CloudStore improperly handles file Discretionary Access Control List DACL, aka 'Microsoft Windows CloudStore Elevation of Privilege Vulnerability'...

CVE-2025-4051

Insufficient data validation in DevTools in Google Chrome prior to 136.0.7103.59 allowed a remote attacker who convinced a user to engage in specific UI gestures to bypass discretionary access control via a crafted HTML page. Chromium security severity: Medium...