PT-2026-34887

In the Linux kernel, the following vulnerability has been resolved: smb: client: make use of smbdirect socket.recv io.credits.available The logic off managing recv credits by counting posted recv io and granted credits is racy. That's because the peer might already consumed a credit, but between...

PT-2026-34891

In the Linux kernel, the following vulnerability has been resolved: smb: smbdirect: introduce smbdirect socket.recv io.credits.available The logic off managing recv credits by counting posted recv io and granted credits is racy. That's because the peer might already consumed a credit, but between...

CVE-2026-39907

Unisys WebPerfect Image Suite versions 3.0.3960.22810 and 3.0.3960.22604 expose an unauthenticated WCF SOAP endpoint on TCP port 1208 that accepts unsanitized file paths in the ReadLicense action's LFName parameter, allowing remote attackers to trigger SMB connections and leak NTLMv2...

USN-8180-4 linux-azure-fips 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: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

USN-8180-3: Linux kernel 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: - ARM64 architecture; - Block layer subsystem; - Drivers core; - Bluetooth drivers; - DMA engine subsystem; - GPU...

ksmbd: replace hardcoded hdr2_len with offsetof() in smb2_calc_max_out_buf_len()

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SUSE CVE-2026-31444

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free and NULL deref in smbgrantoplock smbgrantoplock has two issues in the oplock publication sequence: 1 opinfo is linked into ci-moplist via opinfoadd before addleasegloballist is called. If...

EUVD-2026-24776

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free and NULL deref in smbgrantoplock smbgrantoplock has two issues in the oplock publication sequence: 1 opinfo is linked into ci-moplist via opinfoadd before addleasegloballist is called. If...

CVE-2026-31444

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free and NULL deref in smbgrantoplock smbgrantoplock has two issues in the oplock publication sequence: 1 opinfo is linked into ci-moplist via opinfoadd before addleasegloballist is called. If...

CVE-2026-31477

In CVE-2026-31477, the Linux kernel ksmbd component smb2_lock() had three error-handling issues after detaching smb_lock from lock_list: (1) non-UNLOCK path leaks smb_lock and its flock when vfs_lock_file() returns an unexpected error, (2) UNLOCK path leaks on -ENOENT with stale error code, and (...

CVE-2026-31444 ksmbd: fix use-after-free and NULL deref in smb_grant_oplock()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free and NULL deref in smbgrantoplock smbgrantoplock has two issues in the oplock publication sequence: 1 opinfo is linked into ci-moplist via opinfoadd before addleasegloballist is called. If...

EUVD-2026-24641

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potencial OOB in getfileallinfo for compound requests When a compound request consists of QUERYDIRECTORY + QUERYINFO FILEALLINFORMATION and the first command consumes nearly the entire maxtranssize, getfileallinfo woul...

CVE-2026-31433

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix potencial OOB in getfileallinfo for compound requests When a compound request consists of QUERYDIRECTORY + QUERYINFO FILEALLINFORMATION and the first command consumes nearly the entire maxtranssize, getfileallinfo woul...

CVE-2026-31433

CVE-2026-31433 affects the Linux kernel ksmbd module. A vulnerability arises when processing a compound SMB request of QUERY_DIRECTORY + QUERY_INFO (FILE_ALL_INFORMATION): the code lacked a validation check on the client-provided OutputBufferLength before copying a filename into the smb2_file_all...

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 are security vulnerabilities in the Linux kernel, which stem from issues with the smbgrantoplock function. These vulnerabilities involve reusing freed resources an...

kernel security update

6.12.0-124.52.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list...

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 ksmbd’s handling of composite requests like QUERYDIRECTORY + QUERYINFOFILEALLINFORMATION. This...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012965)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012965 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential deadlock when releasing mids All releasemid callers seem to hold a...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-012947)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-012947 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free bug in cifsdebugdataprocshow Skip SMB sessions that are being...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-011320)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-011320 advisory. In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix reference count leak in smbcheckpermdacl The issue happens in a specific path in...