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 NFS not verifying UID and fsuid matches, which could lead to timestamp delegation privilege issues...

Ubuntu 14.04 LTS / 16.04 LTS : Linux kernel vulnerabilities (USN-7930-1)

The remote Ubuntu 14.04 LTS / 16.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7930-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

USN-7930-2: Linux kernel (FIPS) vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - MTD block device drivers;...

ROS-20251215-7313

A vulnerability in the cifs.upcall function of the CIFS cifs-utils network file system mount utility package is related to the provisioning of a data element for an erroneous session. Exploitation of the vulnerability could allow an attacker to disclose protected information...

PT-2026-4489

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description The Linux kernel’s Network File System daemon nfsd is susceptible to a server crash when attempting to unlock the filesystem through an administrative interface while nfsd is not running...

The vulnerability of the fs/nfs component in Linux operating systems allows attackers to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of the fs/nfs component in Linux operating systems is related to the improper assignment of privileges. Exploiting this vulnerability allows an attacker to gain access to confidential data, compromise its integrity, and cause service failures...

The vulnerability of the NFS kernel component in Linux operating systems allows a hacker to trigger a service failure.

The vulnerability of the NFS component in Linux operating systems is related to the simultaneous execution using shared resources with incorrect synchronization. Exploiting this vulnerability allows an attacker to cause service failures...

The vulnerability of the nfs_open_local_fh() function in the fs/nfs_common/nfslocalio.c module of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the nfsopenlocalfh function in the fs/nfscommon/nfslocalio.c module of the Linux kernel is related to improper resource locking. Exploiting this vulnerability could allow an attacker to cause service failures...

The vulnerability of the nfs_fh_to_dentry() function in the fs/nfs/export.c component of the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the nfsfhtodentry function in the fs/nfs/export.c component of the Linux operating system is related to reading data from beyond the allowed buffer size. Exploiting this vulnerability allows an attacker to cause service failures...

The vulnerability of the fs/nfsd/nfs4state.c component in the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the fs/nfsd/nfs4state.c component in the Linux operating system is related to an unvalidated return value. Exploiting this vulnerability allows an attacker to cause a service failure...

PT-2026-4480

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the NFS daemon nfsd related to handling grace periods during server shutdown. Specifically, writing to the v4 end grace structure can occur concurrently with...

USN-7907-5: Linux kernel kernel vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - Cryptographic API; - ACPI drivers; - Hardware monitoring drivers; - InfiniBand drivers; - Mailbox framework; -...

OESA-2025-2804 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: drm/amd/display: Fix slab-use-after-free on hdcpwork Why A slab-use-after-free is reported when HDCP is destroyed but the propertyvalidatedwork queue is still...

kernel: nfsd: handle get_client_locked() failure in nfsd4_setclientid_confirm()

A vulnerability has been identified in the Linux kernel's Network File System NFS daemon that could allow for a Denial of Service and in worst case scenario Arbitrary Code Execution. This Use-After-Free flaw arises from a race condition when the kernel handles the confirmation of an NFS client...

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...

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...

NFSD: Fix crash in nfsd4_read_release()

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kernel: cifs: Fix oops due to uninitialised variable

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix oops due to uninitialised variable Fix smb3inittransformrq to initialise buffer to NULL before calling netfsallocfolioqbuffer as netfs assumes it can append to the buffer it is given. Setting it to NULL means it should...

CVE-2022-50643

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix xid leak in cifscopyfilerange If the file is used by swap, before return -EOPNOTSUPP, should free the xid, otherwise, the xid will be leaked...

The vulnerability of the nfs_direct_write_completion() function in the fs/nfs/direct.c module of the Linux file system support module allows a hacker to cause a service failure.

The vulnerability of the nfsdirectwritecompletion function in the fs/nfs/direct.c module of the Linux file system support module is related to the execution of operations outside of the buffer in memory. Exploiting this vulnerability could allow an attacker to cause a service failure...