USN-8033-1 linux, linux-aws, linux-gcp, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

USN-8033-1: 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: - Nios II architecture; - Sun Sparc architecture; - User-Mode Linux UML; - x86 architecture; - Block layer subsystem;...

PT-2026-7891

webfsd 1.21 is vulnerable to a Buffer Overflow via a crafted request. This is due to the filename variable...

Exploit for CVE-2026-2249

Overview The METIS DFS devices, specifically in versions lowe...

CVE-2026-21253

Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally...

USN-8013-4: 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: - Cryptographic API; - SMB network file system; CVE-2025-38561, CVE-2025-40019...

USN-8015-4: 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: - Cryptographic API; - SMB network file system; - iouring subsystem; CVE-2025-38561, CVE-2025-39698, CVE-2025-40019...

kernel: ext4: fix use-after-free in ext4_orphan_cleanup

A use-after-free vulnerability was found in the ext4 filesystem's orphan inode cleanup routine in the Linux kernel. When ext4inodeattachjinode fails with -ENOMEM during orphan cleanup at mount time, the error is not properly propagated. The inode is freed via iput, but the orphan list still...

kernel: libceph: fix potential use-after-free in have_mon_and_osd_map()

A use-after-free vulnerability was found in the Ceph client session initialization in the Linux kernel. The havemonandosdmap function checks map epochs without holding the appropriate locks, racing with concurrent map updates that free the old map. This can result in dereferencing freed memory...

CVE-2025-66277 QTS, QuTS hero

A link following vulnerability has been reported to affect several QNAP operating system versions. The remote attackers can then exploit the vulnerability to traverse the file system to unintended locations. We have already fixed the vulnerability in the following versions: QTS 5.2.8.3350 build...

Malicious code in python-files-mod (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 3f9a5cad398dbfcea1ea0ed1a7b20c678a67941581a4562aa92703ac86ee421a Disguised as file system manipulation library, the package hides an obfuscated code to communicate with a Telegram channel. Though the usage is not known at th...

MAL-2026-851 Malicious code in python-files-mod (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 3f9a5cad398dbfcea1ea0ed1a7b20c678a67941581a4562aa92703ac86ee421a Disguised as file system manipulation library, the package hides an obfuscated code to communicate with a Telegram channel. Though the usage is not known at th...

kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

A flaw null pointer dereference in the Linux kernel NFS functionality was found in the way client does some specific action for existing NFS connection. A client user could use this flaw to crash the server system...

PT-2026-7574

Name of the Vulnerable Software and Affected Versions QNAP QTS versions prior to 5.2.8.3350 build 20251216 QNAP QuTS hero h5.3.2 versions prior to h5.3.2.3354 build 20251225 QNAP QuTS hero h5.2.8 versions prior to h5.2.8.3350 build 20251216 Description A flaw exists that allows remote attackers t...

Huawei EMUI and Huawei HarmonyOS file system module out-of-bounds write vulnerability

Huawei EMUI is a mobile operating system developed based on Android.Huawei HarmonyOS is an operating system. Provides a full-scene distributed operating system based on a microkernel. An out-of-bounds write vulnerability exists in the Huawei EMUI and Huawei HarmonyOS file system module, which can...

Vulnerabilities fixed in Microsoft Windows

Microsoft has fixed vulnerabilities in Windows. A malicious party can exploit the vulnerabilities to carry out attacks that can lead to the following categories of damage: - Denial-of-Service DoS - Manipulation of data - Accessing sensitive data - Execution of arbitrary code user privileges -...

CVE-2026-21253

Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally...

CVE-2026-21253

Use after free in Mailslot File System allows an authorized attacker to elevate privileges locally...

CVE-2026-21253

CVE-2026-21253 is a Windows vulnerability in the Mailslot File System described as a use-after-free issue that can enable local privilege escalation. The CVE’s CVSS 3.1 score is 7.0 (HIGH) with a local attack vector, high attack complexity, and requires low privileges and no user interaction. The...

CVE-2026-21253 Mailslot File System Elevation of Privilege Vulnerability

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