CVE-2026-23248 perf/core: Fix refcount bug and potential UAF in perf_mmap

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

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

CVE-2026-23248 affects the Linux kernel perf/core component, specifically the perf_mmap path that initializes a ring_buffer. The issue is a race between a failing mmap() setup and a concurrent mmap() on a dependent event (e.g., due to output redirection). The ring_buffer pointer (event->rb) is...

Unity Linux 20.1070a Security Update: kernel (UTSA-2026-005660)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005660 advisory. In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Fix a refcount bug in qrtrrecvmsg Syzbot reported a bug as following: refcountt:...

Linux Kernel Security Vulnerabilities

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 improper settings of refcount and delayednode pointer sequences. This vulnerability may lead to...

AZL-74445 CVE-2025-68774 affecting package kernel for versions less than 6.6.121.1-1

In the Linux kernel, the following vulnerability has been resolved: hfsplus: fix missing hfsbnodeget in hfsbnodecreate When sync and link are called concurrently, both threads may enter hfsbnodefind without finding the node in the hash table and proceed to create it. Thread A: hfspluswriteinode -...

SUSE CVE-2022-50887

In the Linux kernel, the following vulnerability has been resolved: regulator: core: fix unbalanced of node refcount in regulatordevlookup I got the the following report: OF: ERROR: memory leak, expected refcount 1 instead of 2, ofnodeget/ofnodeput unbalanced - destroy cset entry: attach overlay...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993099)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993099 advisory. In the Linux kernel, the following vulnerability has been resolved: drm/meson: Fix refcount bugs in mesonvpuhasavailableconnectors In this function, there are two...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992913)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992913 advisory. In the Linux kernel, the following vulnerability has been resolved: memory: of: Fix refcount leak bug in ofgetddrtimings We should add the ofnodeput when breaking ou...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992310)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992310 advisory. In the Linux kernel, the following vulnerability has been resolved: net: fix refcount bug in skpsockget 2 Syzkaller reports refcount bug as follows: ------------ cut...

SUSE CVE-2022-50751

In the Linux kernel, the following vulnerability has been resolved: configfs: fix possible memory leak in configfscreatedir kmemleak reported memory leaks in configfscreatedir: unreferenced object 0xffff888009f6af00 size 192: comm "modprobe", pid 3777, jiffies 4295537735 age 233.784s backtrace:...

CVE-2022-50751

In the Linux kernel, the following vulnerability has been resolved: configfs: fix possible memory leak in configfscreatedir kmemleak reported memory leaks in configfscreatedir: unreferenced object 0xffff888009f6af00 size 192: comm "modprobe", pid 3777, jiffies 4295537735 age 233.784s backtrace:...

UBUNTU-CVE-2022-50751

In the Linux kernel, the following vulnerability has been resolved: configfs: fix possible memory leak in configfscreatedir kmemleak reported memory leaks in configfscreatedir: unreferenced object 0xffff888009f6af00 size 192: comm "modprobe", pid 3777, jiffies 4295537735 age 233.784s backtrace:...

CVE-2022-50751

CVE-2022-50751 is fixed in the Linux kernel to address a memory leak in configfs_create_dir caused by incorrect refcount handling when configfs_create() fails during subsystem registration. The root cause described across the provided details is that, in the error path, configfs_d_iput() is not r...

CVE-2025-68366 nbd: defer config unlock in nbd_genl_connect

In the Linux kernel, the following vulnerability has been resolved: nbd: defer config unlock in nbdgenlconnect There is one use-after-free warning when running NBDCMDCONNECT and NBDCLEARSOCK: nbdgenlconnect nbdallocandinitconfig // configrefs=1 nbdstartdevice // configrefs=2 set NBDRTHASCONFIGREF...

EUVD-2022-55259

Malicious code in bioql PyPI...

CVE-2025-39882 drm/mediatek: fix potential OF node use-after-free

In the Linux kernel, the following vulnerability has been resolved: drm/mediatek: fix potential OF node use-after-free The foreachchildofnode helper drops the reference it takes to each node as it iterates over children and an explicit ofnodeput is only needed when exiting the loop early. Drop th...

Linux Distros Unpatched Vulnerability : CVE-2023-53445

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Fix a refcount bug in qrtrrecvmsg Syzbot reported a bug as following: refcountt:...

SUSE CVE-2023-53445

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Fix a refcount bug in qrtrrecvmsg Syzbot reported a bug as following: refcountt: addition on 0; use-after-free. ... RIP: 0010:refcountwarnsaturate+0x17c/0x1f0 lib/refcount.c:25 ... Call Trace: refcountadd...

CVE-2023-53445

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: Fix a refcount bug in qrtrrecvmsg Syzbot reported a bug as following: refcountt: addition on 0; use-after-free. ... RIP: 0010:refcountwarnsaturate+0x17c/0x1f0 lib/refcount.c:25 ... Call Trace: refcountadd...