kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values

A vulnerability was identified in the Linux kernel's ext4 filesystem implementation due to a flaw in how it processes filesystem metadata. An attacker with local privileges could create a malicious ext4 filesystem image to trigger this issue. When the system attempts to mount this malicious image...

kernel: ext4: fix undefined behavior in bit shift for ext4_check_flag_values

A vulnerability was identified in the Linux kernel's ext4 filesystem implementation due to a flaw in how it processes filesystem metadata. An attacker with local privileges could create a malicious ext4 filesystem image to trigger this issue. When the system attempts to mount this malicious image...

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...

RHEL 9 : kernel (RHSA-2025:22066)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22066 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ALSA: usb-audio: Validate UAC...

RHEL 8 : kernel (RHSA-2025:22072)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22072 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: ALSA: usb-audio: Validate UAC...

RHEL 9 : kernel-rt (RHSA-2025:22087)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:22087 advisory. The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism...

CLSA-2025-1763990271 Fix of 12 CVEs

Focal update: v5.4.291 upstream stable release LP: 2106002 // CVE-2024-58072 - wifi: rtlwifi: remove unused checkbuddypriv Focal update: v5.4.291 upstream stable release LP: 2106002 - wifi: rtlwifi: remove unused timer and related code - wifi: rtlwifi: remove unused dualmac control leftovers Foca...

CLSA-2025-1763989962 Fix of 8 CVEs

CVE-url: https://ubuntu.com/security/CVE-2025-38352 - posix-cpu-timers: fix race between handleposixcputimers and posixcputimerdel CVE-url: https://ubuntu.com/security/CVE-2022-25265 - x86/elf: Add table to document READIMPLIESEXEC - x86/elf: Split READIMPLIESEXEC from executable PTGNUSTACK -...

SUSE-SU-2025:4189-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2021-4460: drm/amdkfd: Fix UBSAN shift-out-of-bounds warning bsc1250764. - CVE-2022-48631: ext4: fix bug in extents parsing when ehentries == 0 and ehdepth 0...

The vulnerability of the ext4_xattr inode_update_ref() function in the Linux operating system allows a hacker to execute arbitrary code.

The vulnerability of the ext4xattr inodeupdateref function in the Linux operating system is related to a countable loss of significance. Exploiting this vulnerability could allow an attacker to execute arbitrary code...

Ubuntu 16.04 LTS : Linux kernel (Oracle) vulnerabilities (USN-7875-1)

"The remote Ubuntu 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7875-1 advisory. Jean-Claude Graf, Sandro Regge, Ali Hajiabadi, and Kaveh Razavi discovered that the Linux kernel contained insufficient branch predictor isolation betwe...

Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-49882)

ext4: In ext4exttrytomergeup, path1.pbh should be set to NULL after it has been released, otherwise it may be released twice. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information. %NASLMINLEVEL 80900 C Tenable, Inc...

Siemens SCALANCE and RUGGEDCOM Devices Improper Input Validation (CVE-2024-49983)

ext4: When calling ext4forcesplitextentat in ext4extreplayupdateex, the 'ppath' is updated but it is the 'path' that is freed, thus potentially triggering a double-free. This plugin only works with Tenable.ot. Please visit https://www.tenable.com/products/tenable-ot for more information...

SUSE CVE-2025-40119

In the Linux kernel, the following vulnerability has been resolved: ext4: fix potential null deref in ext4mbinit In ext4mbinit, ext4mbavgfragmentsizedestroy may be called when sbi-smbavgfragmentsize remains uninitialized e.g., if groupinfo slab cache allocation fails. Since...

SUSE CVE-2025-40190

In the Linux kernel, the following vulnerability has been resolved: ext4: guard against EA inode refcount underflow in xattr update syzkaller found a path where ext4xattrinodeupdateref reads an EA inode refcount that is already ref underflow: refcount=-1 refchange=-1 EXT4-fs warning: eainode dec...

ext4: guard against EA inode refcount underflow in xattr update

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ext4: avoid potential buffer over-read in parse_apply_sb_mount_options()

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SUSE CVE-2025-40167

In the Linux kernel, the following vulnerability has been resolved: ext4: detect invalid INLINEDATA + EXTENTS flag combination syzbot reported a BUGON in ext4escacheextent when opening a verity file on a corrupted ext4 filesystem mounted without a journal. The issue is that the filesystem has an...

SUSE CVE-2025-40198

In the Linux kernel, the following vulnerability has been resolved: ext4: avoid potential buffer over-read in parseapplysbmountoptions Unlike other strings in the ext4 superblock, we rely on tune2fs to make sure smountopts is NUL terminated. Harden parseapplysbmountoptions by treating smountopts ...

CVE-2025-40167

In the Linux kernel, the following vulnerability has been resolved: ext4: detect invalid INLINEDATA + EXTENTS flag combination syzbot reported a BUGON in ext4escacheextent when opening a verity file on a corrupted ext4 filesystem mounted without a journal. The issue is that the filesystem has an...