USN-8013-4: Linux 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; - SMB network file system; CVE-2025-38561, CVE-2025-40019...

kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

A flaw null pointer dereference in the Linux kernel NFS functionality was found in the way client does some specific action for existing NFS connection. A client user could use this flaw to crash the server system...

kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

A flaw null pointer dereference in the Linux kernel NFS functionality was found in the way client does some specific action for existing NFS connection. A client user could use this flaw to crash the server system...

The vulnerability of the nfsd_splice_actor() function in the fs/nfsd/vfs.c module, which is part of the Linux kernel’s Network File System support, allows a hacker to cause a service failure.

The vulnerability of the nfsdspliceactor function in the fs/nfsd/vfs.c module, which is part of the Linux network file system support, involves the disclosure of confidential information. Exploiting this vulnerability could allow an attacker to cause service failures...

AlmaLinux 8 : kernel (ALSA-2026:2264)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2026:2264 advisory. kernel: vsock/vmci: Clear the vmci transport packet properly when initializing it CVE-2025-38403 kernel: net: use dstdevrcu in sksetupcaps CVE-2025-40170...

kernel: NFS: Fix potential buffer overflowin nfs_sysfs_link_rpc_client()

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix potential buffer overflowin nfssysfslinkrpcclient name is char64 where the size of clnt-clprogram-name remains unknown. Invoking strcat directly will also lead to potential buffer overflow. Change them to strscpy and...

kernel: NFSv4/pNFS: Clear NFS_INO_LAYOUTCOMMIT in pnfs_mark_layout_stateid_invalid

A flaw null pointer dereference in the Linux kernel NFS functionality was found in the way client does some specific action for existing NFS connection. A client user could use this flaw to crash the server system...

RHEL 9 : kernel (RHSA-2026:2352)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:2352 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: sched: schcake: add bounds...

SUSE CVE-2026-23053

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfsreleasefolio Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfsreleasefolio. The latter cannot make progres...

The vulnerability of the _nfs42 ProcCopyNotify() function in the fs/nfs/nfs42proc.c module, which is part of the NFS client support in Linux kernel, allows a attacker to cause a service failure.

The vulnerability of the nfs42 ProcCopyNotify function in the fs/nfs/nfs42proc.c module, which is part of the NFS client support in Linux kernel, is related to errors during link counter updates. Exploiting this vulnerability could allow an attacker to cause a service failure...

Ubuntu 22.04 LTS / 24.04 LTS : Linux kernel vulnerabilities (USN-8015-1)

The remote Ubuntu 22.04 LTS / 24.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8015-1 advisory. Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update...

The vulnerability of the nfs_set_pgio_error() function in the fs/nfs/pagelist.c module, which is part of the NFS client support in Linux kernel, allows a hacker to cause a service failure.

The vulnerability of the nfssetpgioerror function in the fs/nfs/pagelist.c module, which is part of the NFS client support in Linux kernel, stems from the execution of a loop with an unreachable exit condition an “infinite loop”. Exploiting this vulnerability could allow a attacker to cause a...

USN-8015-2: Linux kernel (Real-time) 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; - SMB network file system; - iouring subsystem; CVE-2025-38561, CVE-2025-39698, CVE-2025-40019...

USN-8015-1 linux, linux-gke, linux-gkeop, linux-hwe-6.8, linux-oracle, linux-oracle-6.8, linux-raspi 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; - SMB network file system; - iouring subsystem; CVE-2025-38561, CVE-2025-39698, CVE-2025-40019...

AZL-77157 CVE-2026-23053 affecting package kernel for versions less than 6.6.130.1-1

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfsreleasefolio Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfsreleasefolio. The latter cannot make progres...

CVE-2026-23053

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfsreleasefolio Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfsreleasefolio. The latter cannot make progres...

UBUNTU-CVE-2026-23053

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfsreleasefolio Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfsreleasefolio. The latter cannot make progres...

CVE-2026-23053

Summary (CVE-2026-23053): A Linux kernel vulnerability in NFS can deadlock during NFSv4.1 state recovery when kthreadd tries to reclaim memory by calling nfs_release_folio(). The deadlock prevents progress in nfs_release_folio(), which delays memory reclamation. The fix implemented is to initiate...

CVE-2026-23053

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfsreleasefolio Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfsreleasefolio. The latter cannot make progres...

CVE-2026-23053

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a deadlock involving nfsreleasefolio Wang Zhaolong reports a deadlock involving NFSv4.1 state recovery waiting on kthreadd, which is attempting to reclaim memory by calling nfsreleasefolio. The latter cannot make progres...