kernel: ovl: fix null pointer dereference in ovl_permission()

In the Linux kernel, the following vulnerability has been resolved: ovl: fix null pointer dereference in ovlpermission Following process: P1 P2 pathlookupat linkpathwalk inodepermission ovlpermission ovlipathrealinode, &realpath path-dentry = ovlidentryupperinode dropcache dentrykillovldentry...

kernel: ovl: Filter invalid inodes with missing lookup function

In the Linux kernel, the following vulnerability has been resolved: ovl: Filter invalid inodes with missing lookup function Add a check to the ovldentryweird function to prevent the processing of directory inodes that lack the lookup function. This is important because such inodes can cause error...

SUSE CVE-2025-37863

In the Linux kernel, the following vulnerability has been resolved: ovl: don't allow datadir only In theory overlayfs could support upper layer directly referring to a data layer, but there's no current use case for this. Originally, when data-only layers were introduced, this wasn't allowed, onl...

CVE-2025-37863

In the Linux kernel, the following vulnerability has been resolved: ovl: don't allow datadir only In theory overlayfs could support upper layer directly referring to a data layer, but there's no current use case for this. Originally, when data-only layers were introduced, this wasn't allowed, onl...

DEBIAN-CVE-2025-37863

In the Linux kernel, the following vulnerability has been resolved: ovl: don't allow datadir only In theory overlayfs could support upper layer directly referring to a data layer, but there's no current use case for this. Originally, when data-only layers were introduced, this wasn't allowed, onl...

Ensure That Mounting for Unnecessary File System Is Removed

Linux supports multiple file systems through kernel objects loaded to the kernel. As a universal OS platform, openEuler provides various kernel object files in the /lib/modules/kernel version/kernel/fs/ directory to support different file systems. You can run the insmod or modprobe command to loa...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: Fix use-after-free of encap entry in neigh update handler CVE-2021-47247 In the Linux kernel, the following vulnerability has been resolved: i2c: dev: check return value when calling devsetname...

The vulnerability of the ovl component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the ovl component in the Linux operating system’s kernel is related to improper validation of input data. Exploiting this vulnerability can allow an attacker to cause a service failure...

ovl: fix UAF in ovl_dentry_update_reval by moving dput() in ovl_link_up

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CVE-2024-47261

51l3nc3, a member of the AXIS OS Bug Bounty Program, has found that the VAPIX API uploadoverlayimage.cgi did not have sufficient input validation to allow an attacker to upload files to block access to create image overlays in the web interface of the Axis device...

PT-2025-15235 · Unknown · Tarteaucitron.Js

Name of the Vulnerable Software and Affected Versions: tarteaucitron.js versions prior to 1.20.1 Description: A vulnerability was identified in tarteaucitron.js where user-controlled inputs for element dimensions width and height were not properly validated. This allowed an attacker with direct...

Security update for warewulf4

This update for warewulf4 fixes the following issues: warewulf4 was updated from version 4.5.8 to 4.6.0: Security issues fixed for version 4.6.0: CVE-2025-22869: Fixed Denial of Service vulnerability in the Key Exchange of golang.org/x/crypto/ssh bsc1239322 CVE-2025-22870: Fixed proxy bypass usin...

The vulnerability of the `ovl_dentry_update_reval()` function in the `fs/overlayfs/copy_up.c` file of the Linux kernel file system allows a attacker to cause a service failure.

The vulnerability of the ovldentryupdatereval function in the fs/overlayfs/copyup.c file of the Linux kernel file system is related to the use of memory after it is freed. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the ovl_lookup() function in the fs/overlayfs/namei.c module of the Linux file system allows a hacker to gain access to protected information.

The vulnerability of the ovllookup function in the fs/overlayfs/namei.c module of the Linux file system supports the kernel’s file system support. This vulnerability is related to improper memory release before deleting the last reference memory leak. Exploiting this vulnerability can allow an...

SUSE CVE-2025-21887

In the Linux kernel, the following vulnerability has been resolved: ovl: fix UAF in ovldentryupdatereval by moving dput in ovllinkup The issue was caused by dputupper being called before ovldentryupdatereval, while upper-dflags was still accessed in ovldentryremote. Move dputupper after its last...

DEBIAN-CVE-2023-53004

In the Linux kernel, the following vulnerability has been resolved: ovl: fix tmpfile leak Missed an error cleanup...

UBUNTU-CVE-2023-53004

In the Linux kernel, the following vulnerability has been resolved: ovl: fix tmpfile leak Missed an error cleanup...

UBUNTU-CVE-2022-49743

In the Linux kernel, the following vulnerability has been resolved: ovl: Use "buf" flexible array for memcpy destination The "buf" flexible array needs to be the memcpy destination to avoid false positive run-time warning from the recent FORTIFYSOURCE hardening: memcpy: detected field-spanning...

USN-7380-1 linux-lowlatency 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; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - x86...

CVE-2022-49743

In the Linux kernel, the following vulnerability has been resolved: ovl: Use "buf" flexible array for memcpy destination The "buf" flexible array needs to be the memcpy destination to avoid false positive run-time warning from the recent FORTIFYSOURCE hardening: memcpy: detected field-spanning...