CVE-2025-23131: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: dlm: prevent NPD when writing a positive value to eventdone douevent returns the value written to eventdone. In case it is a positive value, newlockspace would undo all the work, and lockspace would not be set. dlmnewlockspace,...

dlm bug fix and enhancement update

An update is available for dlm. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list For detailed information on changes in this release, see the Rocky Linux 9.5...

SUSE CVE-2022-49337

In the Linux kernel, the following vulnerability has been resolved: ocfs2: dlmfs: fix error handling of userdlmdestroylock When userdlmdestroylock failed, it didn't clean up the flags it set before exit. For USERLOCKINTEARDOWN, if this function fails because of lock is still in used, next time wh...

SUSE CVE-2022-49407

In the Linux kernel, the following vulnerability has been resolved: dlm: fix plock invalid read This patch fixes an invalid read showed by KASAN. A unlock will allocate a "struct plockop" and a followed sendop will append it to a global sendlist data structure. In some cases a followed devread...

CVE-2022-49407 dlm: fix plock invalid read

In the Linux kernel, the following vulnerability has been resolved: dlm: fix plock invalid read This patch fixes an invalid read showed by KASAN. A unlock will allocate a "struct plockop" and a followed sendop will append it to a global sendlist data structure. In some cases a followed devread...

CVE-2022-49407: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: dlm: fix plock invalid read This patch fixes an invalid read showed by KASAN. A unlock will allocate a "struct plockop" and a followed sendop will append it to a global sendlist data structure. In some cases a followed devread...

Linux kernel null pointer dereference vulnerability (CNVD-2025-04164)

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. Linux kernel suffers from a null pointer dereference vulnerability that stems from a DLM module that may cause a null pointer dereference to lkbresource when requestlock is...

Security update for the Linux Kernel

The SUSE Linux Enterprise 12 SP5 kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2021-47222: net: bridge: fix vlan tunnel dst refcnt when egressing bsc1224857. CVE-2021-47223: net: bridge: fix vlan tunnel dst null pointer dereference bsc1224856...

CVE-2024-47809

In the Linux kernel, the following vulnerability has been resolved: dlm: fix possible lkbresource null dereference This patch fixes a possible null pointer dereference when this function is called from requestlock as lkb-lkbresource is not assigned yet, only after validatelockargs by calling...

CVE-2024-47809

In the Linux kernel, the following vulnerability has been resolved: dlm: fix possible lkbresource null dereference This patch fixes a possible null pointer dereference when this function is called from requestlock as lkb-lkbresource is not assigned yet, only after validatelockargs by calling...

AZL-56121 CVE-2024-47809 affecting package kernel for versions less than 6.6.76.1-1

In the Linux kernel, the following vulnerability has been resolved: dlm: fix possible lkbresource null dereference This patch fixes a possible null pointer dereference when this function is called from requestlock as lkb-lkbresource is not assigned yet, only after validatelockargs by calling...

CVE-2024-47809 dlm: fix possible lkb_resource null dereference

In the Linux kernel, the following vulnerability has been resolved: dlm: fix possible lkbresource null dereference This patch fixes a possible null pointer dereference when this function is called from requestlock as lkb-lkbresource is not assigned yet, only after validatelockargs by calling...

CVE-2024-47809

CVE-2024-47809 (Linux kernel) fixes a possible NULL pointer dereference in the DLM code path when a lock block (lkb) is created but the lkb_resource is not yet assigned (until attach_lkb via validate_lock_args). The issue could occur when request_lock() calls, potentially exposing a crash; anothe...

CVE-2024-47809 dlm: fix possible lkb_resource null dereference

In the Linux kernel, the following vulnerability has been resolved: dlm: fix possible lkbresource null dereference This patch fixes a possible null pointer dereference when this function is called from requestlock as lkb-lkbresource is not assigned yet, only after validatelockargs by calling...

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. Linux kernel suffers from a null pointer dereference vulnerability that stems from a DLM module that may cause a null pointer dereference to lkbresource when requestlock is...

CVE-2024-47809: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: dlm: fix possible lkbresource null dereference This patch fixes a possible null pointer dereference when this function is called from requestlock as lkb-lkbresource is not assigned yet, only after validatelockargs by calling...

CVE-2024-56749

In the Linux kernel, the following vulnerability has been resolved: dlm: fix dlmrecovermembers refcount on error If dlmrecovermembers fails we don't drop the references of the previous created rootlist that holds and keep all rsbs alive during the recovery. It might be not an unlikely event becau...

DEBIAN-CVE-2024-56749

In the Linux kernel, the following vulnerability has been resolved: dlm: fix dlmrecovermembers refcount on error If dlmrecovermembers fails we don't drop the references of the previous created rootlist that holds and keep all rsbs alive during the recovery. It might be not an unlikely event becau...

UBUNTU-CVE-2024-56749

In the Linux kernel, the following vulnerability has been resolved: dlm: fix dlmrecovermembers refcount on error If dlmrecovermembers fails we don't drop the references of the previous created rootlist that holds and keep all rsbs alive during the recovery. It might be not an unlikely event becau...

CVE-2024-56749 dlm: fix dlm_recover_members refcount on error

In the Linux kernel, the following vulnerability has been resolved: dlm: fix dlmrecovermembers refcount on error If dlmrecovermembers fails we don't drop the references of the previous created rootlist that holds and keep all rsbs alive during the recovery. It might be not an unlikely event becau...