CVE-2026-45972 smb: client: fix potential UAF and double free in smb2_open_file()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2openfile Zero out @erriov and @errbuftype before retrying SMB2open to prevent an UAF bug if @data != NULL, otherwise a double free...

CVE-2026-45972 smb: client: fix potential UAF and double free in smb2_open_file()

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2openfile Zero out @erriov and @errbuftype before retrying SMB2open to prevent an UAF bug if @data != NULL, otherwise a double free...

CVE-2026-45972

The CVE-2026-45972 issue affects the Linux kernel SMB client, specifically smb2_open_file(), where improper handling could lead to memory corruption (UAF) or a double free during SMB2_open() retries. The fixed description states that zeroing err_iov and err_buftype before retrying SMB2_open() pre...

CVE-2026-1933

A flaw was found in Samba’s handling of NTFS-style reparse points on shares configured with read only = yes. Due to missing SMB-layer access checks, authenticated users with underlying filesystem write permissions may create or delete reparse point metadata through SMB operations even on read-onl...

PT-2026-43839

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF and double free issue exists in the SMB client. The problem occurs within the smb2 open file function when retrying SMB2 open. If the data variable is not null, a UA...

PT-2026-43791

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the ksmbd module where the function ksmbd vfs kern path end removing is not called on certain error paths. This failure to balance the corresponding ksmbd vfs kern pat...

CVE-2026-45972

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF and double free in smb2openfile Zero out @erriov and @errbuftype before retrying SMB2open to prevent an UAF bug if @data != NULL, otherwise a double free...

📄 Windows Shell LNK Spoofing / NTLMv2 Hash Capture

A spoofing vulnerability in Windows Shell File Explorer allows an attacker to capture NTLMv2 hashes without user interaction. By crafting a malicious .lnk shortcut file with a UNC path pointing to an attacker-controlled SMB server, the target's Windows system automatically sends an NTLMv2...

CVE-2026-44449

Lumiverse before 0.9.7 is vulnerable to an injection in the toSmbPath(fullPath) handling. If the primary path lookup fails, the code falls back to a dirname/basename split and only validates the directory prefix, then concatenates the basename directly into the smbclient -c script without validat...

CVE-2026-4480

A flaw was found in the Samba printing subsystem. Samba passes the client-controlled job description string to the command configured with the "print command" setting via the "%J" substitution character without escaping shell meta characters. A remote attacker could exploit this vulnerability by...

PT-2026-43401

Lumiverse is a full-featured AI chat application. Prior to 0.9.7, when the primary toSmbPathfullPath call throws, the method falls back to a dirname/basename split and only validates the directory prefix. The basename is concatenated directly into the smbclient -c script without validation...

USN-8279-3 linux-nvidia-tegra-igx vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8279-3: Linux kernel (NVIDIA Tegra IGX) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8291-3: Linux kernel (Low Latency) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - SMB network file system; - Netfilter; - iouring subsystem; CVE-2024-35862, CVE-2024-50060, CVE-2026-23274,...

Ubuntu 24.04 LTS : Linux kernel (FIPS) vulnerabilities (USN-8296-1)

The remote Ubuntu 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8296-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in...

USN-8279-2 linux-gcp-5.15 vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

USN-8279-2: Linux kernel (GCP) vulnerabilities

It was discovered that the Linux kernel algifaead module did not properly handle in-place cryptographic operations. This flaw is known as Copy Fail. A local attacker could use this to escalate privileges, or possibly escape a container. CVE-2026-31431 Several security issues were discovered in th...

OESA-2026-2416 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cryptmessage when using async crypto The CVE-2024-50047 fix removed asynchronous crypto handling from cryptmessage, assuming a...

CLSA-2026-1779358660 curl: Fix of 2 CVEs

CVE-2026-5773: wrong reuse of SMB connection; disable connection reuse for SMBS so a subsequent transfer cannot wrongfully reuse a pooled connection to a different share - CVE-2026-6276: clear stale custom-Host cookiehost between requests on the same easy handle cookie leak across origins...

CLSA-2026-1779358008 Fix CVE(s): CVE-2026-5773

SECURITY UPDATE: libcurl may reuse the wrong connection for SMBS transfers, leading to access of an unintended SMB share with the same credentials. - debian/patches/CVE-2026-5773.patch: disable connection reuse for SMBS in lib/url.c by returning early from ConnectionExists when the requested...