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 not properly refreshing routes when using incorrect routes and next-hop objects, which could lead to a...

Linux Distros Unpatched Vulnerability : CVE-2025-68774

"The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - hfsplus: fix missing hfsbnodeget in hfsbnodecreate When sync and link are called concurrently, both threads may enter hfsbnodefind without finding the node in...

PT-2026-2591

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel’s ublk subsystem related to reference counting of user copy operations. Specifically, when a ublk server process releases a ublk character device file,...

Linux Distros Unpatched Vulnerability : CVE-2025-71070

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: ublk: clean up user copy references on ublk server exit If a ublk server process releases a...

Linux Distros Unpatched Vulnerability : CVE-2025-71097

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv4: Fix reference count leak when using error routes with nexthop objects When a nexthop object is deleted, it is marked as dead and then fibtableflush is...

CVE-2022-38999

The AOD module has the improper update of reference count vulnerability. Successful exploitation of this vulnerability may affect data integrity, confidentiality, and availability...

CVE-2022-26364

x86 pv: Insufficient care with non-coherent mappings This CNA information record relates to multiple CVEs; the text explains which aspects/vulnerabilities correspond to which CVE. Xen maintains a type reference count for pages, in addition to a regular reference count. This scheme is used to...

CVE-2022-26362

x86 pv: Race condition in typeref acquisition Xen maintains a type reference count for pages, in addition to a regular reference count. This scheme is used to maintain invariants required for Xen's safety, e.g. PV guests may not have direct writeable access to pagetables; updates need auditing by...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000480)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000480 advisory. An issue was discovered in the Linux kernel before 5.0.6. In rxqueueaddkobject and netdevqueueaddkobject in net/core/net-sysfs.c, a reference count is mishandled, ak...

PT-2026-27745

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to tracing buffer management. Specifically, a double-free condition can occur in the tracing buffers mmap close function when a process forks an...

PT-2026-27649

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to ethernet functionality within the mtk eth soc module. Specifically, the issue concerns the handling of the eBPF program pointer during the mt...

PT-2026-27656

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to Near Field Communication NFC functionality using the PN533 driver. Specifically, the driver fails to properly release a reference to the USB...

PT-2026-27721

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A logic error exists in the drbd al begin io nonblock function within the Linux kernel’s DRBD module. The issue arises from a potential failure in lc get cumulative while holding the...

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...

PT-2026-6151

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel contains a flaw related to an OF node reference count leakage when checking for the existence of the 'leds' child node. The issue was identified through automated review...

CVE-2022-50868

In the Linux kernel, the following vulnerability has been resolved: hwrng: amd - Fix PCI device refcount leak foreachpcidev is implemented by pcigetdevice. The comment of pcigetdevice says that it will increase the reference count for the returned pcidev and also decrease the reference count for...

CVE-2023-54201

In the Linux kernel, the following vulnerability has been resolved: RDMA/efa: Fix wrong resources deallocation order When trying to destroy QP or CQ, we first decrease the refcount and potentially free memory regions allocated for the object and then request the device to destroy the object. If t...

CVE-2022-50835

In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fcdoonepass In fcdoonepass miss release buffer head after use which will lead to reference count leak...

SUSE CVE-2022-50835

In the Linux kernel, the following vulnerability has been resolved: jbd2: add miss release buffer head in fcdoonepass In fcdoonepass miss release buffer head after use which will lead to reference count leak...

SUSE CVE-2022-50855

In the Linux kernel, the following vulnerability has been resolved: bpf: prevent leak of lsm program after failed attach In 0, we added the ability to bpfprogattach LSM programs to cgroups, but in our validation to make sure the prog is meant to be attached to BPFLSMCGROUP, we return too early if...