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 that stems from a reference counting error in the tracing tracebufferedeventdisable function...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992316)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992316 advisory. In the Linux kernel, the following vulnerability has been resolved: tracing: Have traceeventfile have ref counters The following can crash the kernel: cd...

SUSE CVE-2022-50745

In the Linux kernel, the following vulnerability has been resolved: staging: media: tegra-video: fix devicenode use after free At probe time this code path is followed: tegracsiinit tegracsichannelsalloc foreachchildofnodenode, channel -- iterates over channels automatically gets 'channel'...

SUSE CVE-2023-54035

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: fix underflow in chain reference counter Set element addition error path decrements reference counter on chains twice: once on element release and again via nftdatarelease. Then, d6b478666ffa "netfilter:...

SUSE CVE-2025-68732

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix race in syncpt alloc/free Fix race condition between host1xsyncptalloc and host1xsyncptput by using krefputmutex instead of krefput + manual mutex locking. This ensures no thread can acquire the syncptmutex after...

EUVD-2023-60250

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifssmbsesincrefcount helper to get an active reference of @ses and @ses-dfsrootses if set. This will prevent @ses-dfsrootses of being put in the next call to cifsputsmbses and thus...

CVE-2023-54076

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifssmbsesincrefcount helper to get an active reference of @ses and @ses-dfsrootses if set. This will prevent @ses-dfsrootses of being put in the next call to cifsputsmbses and thus...

CVE-2023-54076

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifssmbsesincrefcount helper to get an active reference of @ses and @ses-dfsrootses if set. This will prevent @ses-dfsrootses of being put in the next call to cifsputsmbses and thus...

UBUNTU-CVE-2023-54107

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: dropping parent refcount after pdfreefn is done Some cgroup policies will access parent pd through child pd even after pdofflinefn is done. If pdfreefn for parent is called before child, then UAF can be triggered. Hen...

CVE-2023-54076 smb: client: fix missed ses refcounting

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix missed ses refcounting Use new cifssmbsesincrefcount helper to get an active reference of @ses and @ses-dfsrootses if set. This will prevent @ses-dfsrootses of being put in the next call to cifsputsmbses and thus...

CVE-2023-54076

The CVE-2023-54076 issue in the Linux kernel affects the SMB client (CIFS) by missing ses reference counting, potentially allowing use-after-free of ses->dfs_root_ses. The fix adds a new helper, cifs_smb_ses_inc_refcount(), to obtain an active reference on @ses and @ses->dfs_root_ses (if se...

UBUNTU-CVE-2025-68732

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix race in syncpt alloc/free Fix race condition between host1xsyncptalloc and host1xsyncptput by using krefputmutex instead of krefput + manual mutex locking. This ensures no thread can acquire the syncptmutex after...

CVE-2025-68732

In the Linux kernel, the following vulnerability has been resolved: gpu: host1x: Fix race in syncpt alloc/free Fix race condition between host1xsyncptalloc and host1xsyncptput by using krefputmutex instead of krefput + manual mutex locking. This ensures no thread can acquire the syncptmutex after...

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 that stems from improper handling of session reference counting, which could lead to reuse after release...

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 that stems from improper handling of reference counting, which could lead to a memory leak...

CVE-2025-68300 fs/namespace: fix reference leak in grab_requested_mnt_ns

In the Linux kernel, the following vulnerability has been resolved: fs/namespace: fix reference leak in grabrequestedmntns lookupmntns already takes a reference on mntns. grabrequestedmntns doesn't need to take an extra reference...

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 that stems from improper handling of reference counting during netpoll cleanup, which could lead to a memory leak...

SUSE CVE-2022-50666

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix QP destroy to wait for all references dropped. Delay QP destroy completion until all siw references to QP are dropped. The calling RDMA core will free QP structure after successful return from siwqpdestroy call, so...

DEBIAN-CVE-2023-53836

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: Fix skb refcnt race after locking changes There is a race where skb's from the skpsockbacklog can be referenced after userspace side has already skbconsumed the skbuff and its refcnt dropped to zer0 causing use afte...

UBUNTU-CVE-2022-50666

In the Linux kernel, the following vulnerability has been resolved: RDMA/siw: Fix QP destroy to wait for all references dropped. Delay QP destroy completion until all siw references to QP are dropped. The calling RDMA core will free QP structure after successful return from siwqpdestroy call, so...