CVE-2026-31597

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix use-after-free in ocfs2fault when VMFAULTRETRY filemapfault may drop the mmaplock before returning VMFAULTRETRY, as documented in mm/filemap.c: "If our return value has VMFAULTRETRY set, it's because the mmaplock may b...

PT-2026-35006

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A memory leak exists in the mmap region function. When /dev/zero is mapped with MAP SHARED, the mmap zero prepare function calls shmem zero setup desc, which allocates a new shmem file t...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from the ocfs2 file system’s ocfs2fault function. When filemapfault returns VMFAULTRETRY, it may relea...

Linux kernel 安全漏洞

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, which stems from a memory leak in the mmapregion function. This vulnerability may lead to resource exhaustion...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-010934)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-010934 advisory. In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: Fix a possible warning in privcmdioctlmmapresource As 'kdata.num' is user-controlled...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-007471)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-007471 advisory. In the Linux kernel, the following vulnerability has been resolved: xen/privcmd: Fix a possible warning in privcmdioctlmmapresource As 'kdata.num' is user-controlled...

CLSA-2026-1775831524 Fix of 8 CVEs

CVE-2024-56640 - net/smc: fix LGR and link use-after-free issue CVE-2024-56640 CVE-2026-23209 - macvlan: fix error recovery in macvlancommonnewlink CVE-2026-23209 CVE-2026-23193 - scsi: target: iscsi: Fix use-after-free in iscsitdecsessionusagecount CVE-2026-23193 CVE-2026-23204 - net/sched:...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-006569)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-006569 advisory. In the Linux kernel, the following vulnerability has been resolved: perf/core: Exit early on perfmmap fail When perfmmap fails to allocate a buffer, it still invokes...

The vulnerability of the erdma_mmap() function in the drivers/infiniband/hw/erdma/erdma_verbs.c file of the Linux operating system’s kernel driver allows a hacker to cause a service failure.

The vulnerability of the erdmammap function in the drivers/infiniband/hw/erdma/erdmaverbs.c file of the Linux operating system’s kernel driver is related to errors during the update of the reference counters. Exploiting this vulnerability could allow a remote attacker to cause service interruptio...

SUSE CVE-2026-23380

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix WARNON in tracingbuffersmmapclose When a process forks, the child process copies the parent's VMAs but the usermapped reference count is not incremented. As a result, when both the parent and child processes exit,...

CVE-2026-23380 tracing: Fix WARN_ON in tracing_buffers_mmap_close

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix WARNON in tracingbuffersmmapclose When a process forks, the child process copies the parent's VMAs but the usermapped reference count is not incremented. As a result, when both the parent and child processes exit,...

CVE-2026-23380

CVE-2026-23380 (Linux kernel) describes a local vulnerability in tracing buffers memory management. When a process forks, the child’s VMAs copy the parent’s without incrementing user_mapped, so exiting both processes may cause tracing_buffers_mmap_close() to run twice; on the second call user_map...

CVE-2026-23380

In the Linux kernel, the following vulnerability has been resolved: tracing: Fix WARNON in tracingbuffersmmapclose When a process forks, the child process copies the parent's VMAs but the usermapped reference count is not incremented. As a result, when both the parent and child processes exit,...

ROS-20260324-73-0003

A vulnerability in the mmap function of the Linux operating system kernel is related to errors in updating the reference count. Exploitation of the vulnerability could allow an attacker to cause a denial of service...

perf/core: Fix refcount bug and potential UAF in perf_mmap

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SUSE CVE-2026-23248

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

EUVD-2026-12811

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

CVE-2026-23248

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

CVE-2026-23248

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...

UBUNTU-CVE-2026-23248

In the Linux kernel, the following vulnerability has been resolved: perf/core: Fix refcount bug and potential UAF in perfmmap Syzkaller reported a refcountt: addition on 0; use-after-free warning in perfmmap. The issue is caused by a race condition between a failing mmap setup and a concurrent mm...