kernel: rpmsg: char: Avoid double destroy of default endpoint

In the Linux kernel, the following vulnerability has been resolved: rpmsg: char: Avoid double destroy of default endpoint The rpmsgdevremove in rpmsgcore is the place for releasing this default endpoint. So need to avoid destroying the default endpoint in rpmsgchrdeveptdevdestroy, this should be...

SUSE CVE-2025-37856

In the Linux kernel, the following vulnerability has been resolved: btrfs: harden blockgroup::bglist against listdel races As far as I can tell, these calls of listdelinit on bglist cannot run concurrently with btrfsmarkbgunused or btrfsmarkbgtoreclaim, as they are in transaction error paths and...

UBUNTU-CVE-2025-22115

In the Linux kernel, the following vulnerability has been resolved: btrfs: fix block group refcount race in btrfscreatependingblockgroups Block group creation is done in two phases, which results in a slightly unintuitive property: a block group can be allocated/deallocated from after...

PT-2025-20507

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A vulnerability in the Linux kernel has been resolved, specifically in the btrfs module, where the block group::bg list was not properly hardened against list del races. This issue could...

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 Linux kernel, which stems from a reference count underflow caused by calling the nouveauboref function without initializing nouveaubo...

kernel: netfilter: nft_flow_offload: reset dst in route object after setting up flow

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftflowoffload: reset dst in route object after setting up flow dst is transferred to the flow object, route object does not own it anymore. Reset dst in route object, otherwise if flowoffloadadd fails, error path...

SUSE CVE-2021-47555

In the Linux kernel, the following vulnerability has been resolved: net: vlan: fix underflow for the realdev refcnt Inject error before devholdrealdev in registervlandev, and execute the following testcase: ip link add dev dummy1 type dummy ip link add name dummy1.100 link dummy1 type vlan id 100...

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 Linux kernel, which stems from a reference count underflow...

Linux kernel 安全漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel, which is caused by a reference count underflow in the btrfs module...

UBUNTU-CVE-2024-27403

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftflowoffload: reset dst in route object after setting up flow dst is transferred to the flow object, route object does not own it anymore. Reset dst in route object, otherwise if flowoffloadadd fails, error path...

Linux kernel 安全漏洞

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel, which is caused by a reference count underflow in the netfilter module...

Linux kernel security vulnerabilities

Linux kernel is the kernel used by the Linux Foundation's open source operating system Linux. A security vulnerability exists in the Linux kernel that stems from a reference count underflow problem...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: unregister flowtable hooks on netns exit CVE-2022-48935 In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: double hook unregistration in netns path...

PT-2025-54030

Name of the Vulnerable Software and Affected Versions linux affected versions not specified Description A flaw exists in the Linux kernel related to RDMA/efa resource deallocation. Specifically, the order of resource deallocation was incorrect, potentially leading to a refcount underflow when...

UBUNTU-CVE-2019-15794

Overlayfs in the Linux kernel and shiftfs, a non-upstream patch to the Linux kernel included in the Ubuntu 5.0 and 5.3 kernel series, both replace vma-vmfile in their mmap handlers. On error the original value is not restored, and the reference is put for the file to which vmfile points. On...

macOS XNU - Missing Locking in checkdirs_callback() Enables Race with fchdir_common()

macOS XNU - Missing Locking in checkdirscallback Enables Race with fchdircommon On macOS, when a new mount point is created, the kernel uses checkdirs to, as a comment above the function explains: "Scan all active processes to see if any of them have a current or root directory onto which the new...