USN-7798-1: Linux kernel (Azure) 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: - Network drivers; - SMB network file system; - Packet sockets; - Network traffic control; - VMware vSockets driver; ...

kernel: smb: client: fix use-after-free in cifs_oplock_break

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifsoplockbreak A race condition can occur in cifsoplockbreak leading to a use-after-free of the cinode structure when unmounting: cifsoplockbreak cifsFileInfoputcfile cifsFileInfoputfinal...

IconEnvironmentDataBlock - Windows LNK File Special UNC Path NTLM Leak

This module creates a malicious Windows shortcut LNK file that specifies a special UNC path in IconEnvironmentDataBlock of Shell Link .LNK that can trigger an authentication attempt to a remote server. This can be used to harvest NTLM authentication credentials. When a victim browse to the locati...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update as...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

RHEL 9 : kernel (RHSA-2025:17122)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:17122 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: usb: dwc3: gadget: check that...

K000156675: tcpdump vulnerabilities CVE-2018-10103 and CVE-2018-10105

Security Advisory Description CVE-2018-10103 tcpdump before 4.9.3 mishandles the printing of SMB data issue 1 of 2. CVE-2018-10105 tcpdump before 4.9.3 mishandles the printing of SMB data issue 2 of 2. Impact These vulnerabilities can result in denial of service DoS or, potentially, execution of...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: fs: relax assertions on failure to encode file handles CVE-2024-57924 In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. CVE-2025-231...

Linux Distros Unpatched Vulnerability : CVE-2025-57632

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs NextCommand, libsmb2 repeatedly calls smb2addiovector to append to a fixed-size...

Important: kernel-livepatch-5.10.239-236.958

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifsoplockbreak CVE-2025-38527 In the Linux kernel, the following vulnerability has been resolved: net/sched: Fix backlog accounting in qdiscdequeueinternal CVE-2025-39677 In the...

ksmbd: discard write access to the directory open

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CVE-2025-57632

libsmb2 6.2+ is vulnerable to Buffer Overflow. When processing SMB2 chained PDUs NextCommand, libsmb2 repeatedly calls smb2addiovector to append to a fixed-size iovec array without checking the upper bound of v-niov SMB2MAXVECTORS=256. An attacker can craft responses with many chained PDUs to...

smb: client: fix race with concurrent opens in rename(2)

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smb3: fix temporary data corruption in collapse range

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smb3: fix temporary data corruption in insert range

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SUSE CVE-2023-53377

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent use-after-free by freeing the cfile later In smb2compoundop we have a possible use-after-free which can cause hard to debug problems later on. This was revealed during stress testing with KASAN enabled kernel. Fixin...

CVE-2023-53377

In the Linux kernel, the following vulnerability has been resolved: cifs: prevent use-after-free by freeing the cfile later In smb2compoundop we have a possible use-after-free which can cause hard to debug problems later on. This was revealed during stress testing with KASAN enabled kernel. Fixin...

CVE-2023-53427

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix warning and UAF when destroy the MR list If the MR allocate failed, the MR recovery work not initialized and list not cleared. Then will be warning and UAF when release the MR: WARNING: CPU: 4 PID: 824 at...

CVE-2023-53399

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix NULL pointer dereference in smb2getinfofilesystem If share is , share-path is NULL and it cause NULL pointer dereference issue...