Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 kernel was updated to fix various security issues The following security issues were fixed: CVE-2025-38321: smb: Log an error when closeallcacheddirs fails bsc1246328. CVE-2025-38728: smb3: fix for slab out of bounds on mount to ksmbd bsc1249256. CVE-2025-39890:...

SUSE-SU-2026:0278-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP7 RT kernel was updated to fix various security issues The following security issues were fixed: - CVE-2025-38321: smb: Log an error when closeallcacheddirs fails bsc1246328. - CVE-2025-38728: smb3: fix for slab out of bounds on mount to ksmbd bsc1249256. -...

CLSA-2026-1768774361 kernel: Fix of 31 CVEs

ip6vti: fix slab-use-after-free in decodesession6 CVE-2023-53821 - ACPICA: Add AMLNOOPERANDRESOLVE flag to Timer CVE-2023-53395 - wifi: mac80211hwsim: drop short frames CVE-2023-53321 - ext4: add bounds checking in getmaxinlinexattrvaluesize CVE-2023-53285 - md/raid10: fix null-ptr-deref in...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001296)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001296 advisory. Linux kernel is vulnerable to a stack-out-of-bounds write in the ext4 filesystem code when mounting and writing to a crafted ext4 image in ext4updateinlinedata. An...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003375)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003375 advisory. Use-after-free vulnerability in fs/crypto/ in the Linux kernel before 4.10.7 allows local users to cause a denial of service NULL pointer dereference or possibly gai...

MiracleLinux 3 : kernel-2.6.18-308.7.AXS3 (AXSA:2012-1010:08)

The remote MiracleLinux 3 host has packages installed that are affected by a vulnerability as referenced in the AXSA:2012-1010:08 advisory. The kernel package contains the Linux kernel vmlinuz, the core of any Linux operating system. The kernel handles the basic functions of the operating system:...

PT-2026-8140

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to a reference count leak within the ext4 file system. Specifically, the error branch in the ext4 xattr inode update ref function fails to relea...

SUSE CVE-2023-54187

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential corruption when moving a directory F2FS has the same issue in ext4rename causing crash revealed by xfstests/generic/707. See also commit 0813299c586b "ext4: Fix possible corruption when moving a directory"...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-992989)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992989 advisory. In the Linux kernel, the following vulnerability has been resolved: ext4: fix WARNING in mbfindextent Syzbot found the following issue: EXT4-fs: Warning: mounting wi...

EUVD-2022-55853

In the Linux kernel, the following vulnerability has been resolved: ext4: fix inode leak in ext4xattrinodecreate on an error path There is issue as follows when do setxattr with inject fault: localhost fsck.ext4 -fn /dev/sda e2fsck 1.46.6-rc1 12-Sep-2022 Pass 1: Checking inodes, blocks, and sizes...

CVE-2023-54187 f2fs: fix potential corruption when moving a directory

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix potential corruption when moving a directory F2FS has the same issue in ext4rename causing crash revealed by xfstests/generic/707. See also commit 0813299c586b "ext4: Fix possible corruption when moving a directory"...

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...

ext4: add i_data_sem protection in ext4_destroy_inline_data_nolock()

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CVE-2023-53813

In the Linux kernel, the following vulnerability has been resolved: ext4: fix rbtree traversal bug in ext4mbusepreallocated During allocations, while looking for preallocationsPA in the per inode rbtree, we can't do a direct traversal of the tree because ext4mbdiscardgrouppreallocation can...

CVE-2023-53861

In the Linux kernel, the following vulnerability has been resolved: ext4: correct grp validation in ext4mbgoodgroup Group corruption check will access memory of grp and will trigger kernel crash if grp is NULL. So do NULL check before corruption check...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from a corrupted ext4 filesystem mbcache entry, which could lead to a deadlock...

USN-7774-1 linux, linux-aws, linux-aws-5.15, linux-gcp, linux-gcp-5.15, linux-gke, linux-gkeop, linux-hwe-5.15, linux-ibm, linux-ibm-5.15, linux-intel-iotg, linux-intel-iotg-5.15, linux-lowlatency, linux-lowlatency-hwe-5.15, linux-nvidia, linux-nvidia-tegra, linux-nvidia-tegra-5.15, linux-oracle, linux-raspi, linux-xilinx-zynqmp 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; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Serial ATA and Parallel ATA...

SUSE SLES12: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2025:4189-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:4189-1 advisory. The SUSE Linux Enterprise 12 SP5 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2021-4460:...

UBUNTU-CVE-2025-40179

In the Linux kernel, the following vulnerability has been resolved: ext4: verify orphan file size is not too big In principle orphan file can be arbitrarily large. However orphan replay needs to traverse it all and we also pin all its buffers in memory. Thus filesystems with absurdly large orphan...

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 ...