Linux Kernel Security Vulnerabilities

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 the possibility that nfsd may duplicate page additions when splicing reads...

UBUNTU-CVE-2022-49927

In the Linux kernel, the following vulnerability has been resolved: nfs4: Fix kmemleak when allocate slot failed If one of the slot allocate failed, should cleanup all the other allocated slots, otherwise, the allocated slots will leak: unreferenced object 0xffff8881115aa100 size 64: comm...

DEBIAN-CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

UBUNTU-CVE-2025-23143

In the Linux kernel, the following vulnerability has been resolved: net: Fix null-ptr-deref by socklockinitclassandname and rmmod. When I ran the repro 0 and waited a few seconds, I observed two LOCKDEP splats: a warning immediately followed by a null-ptr-deref. 1 Reproduction Steps: 1 Mount CIFS...

Linux Kernel Security Vulnerabilities

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 a memory leak when nfs4 fails to allocate a slot, which could lead to resource exhaustion...

nfsd DoS

The vulnerability of the nfsd component in the Linux operating system is related to a memory leak. Exploiting this vulnerability can allow an attacker to cause a service failure...

USN-7468-1: Linux kernel (Azure, N-Series) vulnerabilities

Michael Randrianantenaina discovered that the Bluetooth driver in the Linux Kernel contained an improper access control vulnerability. A nearby attacker could use this to connect a rougue device and possibly execute arbitrary code. CVE-2024-8805 Attila Szász discovered that the HFS+ file system...

USN-7462-2 linux-aws-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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7462-2: Linux kernel (AWS 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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

USN-7461-2 linux-azure-fips, linux-fips, linux-gcp-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: - GPU drivers; - Network drivers; - File systems infrastructure; - Ext4 file system; - Network file system NFS server...

Ubuntu 18.04 LTS / 20.04 LTS : Linux kernel vulnerabilities (USN-7462-1)

The remote Ubuntu 18.04 LTS / 20.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-7462-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

UBUNTU-CVE-2025-39688

In the Linux kernel, the following vulnerability has been resolved: nfsd: allow SCSTATUSFREEABLE when searching via nfs4lookupstateid The pynfs DELEG8 test fails when run against nfsd. It acquires a delegation and then lets the lease time out. It then tries to use the deleg stateid and expects to...

DEBIAN-CVE-2025-22024

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix management of listener transports Currently, when no active threads are running, a root user using nfsdctl command can try to remove a particular listener from the list of previously added ones, then start the server by...

CVE-2025-22024 nfsd: fix management of listener transports

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix management of listener transports Currently, when no active threads are running, a root user using nfsdctl command can try to remove a particular listener from the list of previously added ones, then start the server by...

CVE-2024-58092

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix legacy client tracking initialization Get rid of the nfsd4legacytrackingops-init call in checkforlegacymethods. That will be handled in the caller nfsd4clienttrackinginit. Otherwise, we'll wind up calling...

kernel: nfs: Handle error of rpc_proc_register() in nfs_net_init().

In the Linux kernel, the following vulnerability has been resolved: nfs: Handle error of rpcprocregister in nfsnetinit. syzkaller reported a warning 0 triggered while destroying immature netns. rpcprocregister was called in initnfsfs, but its error has been ignored since at least the initial comm...

Linux Kernel Security Vulnerabilities

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 originates from nfsd ignoring the svcprocregister return code...

Linux Kernel Security Vulnerabilities

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 nfsd failing to release the dlstid reference count...

NFS Linux Kernel Data Compromise

The vulnerability of the functions nfsacldprocgetacl and nfsd3procgetacl in the fs/nfsd/nfs2acl.c module related to the support for the Network File System in Linux operating systems is associated with the reutilization of previously freed memory. Exploiting this vulnerability could allow an...

Linux kernel NFSD DoS

The vulnerability of the NFSD component in the Linux operating system’s kernel is related to the assignment of the NULL pointer in the function nfsd4processcbupdate. Exploiting this vulnerability can allow an attacker to cause a service failure...