kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

A flaw out of boundary read in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

USN-7887-2: Linux kernel (Raspberry Pi) 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

kernel: NFS: Fix a race when updating an existing write

A flaw use after free in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

kernel: NFSD: Protect against send buffer overflow in NFSv2 READ

In the Linux kernel, the following vulnerability has been resolved: NFSD: Protect against send buffer overflow in NFSv2 READ Since before the git era, NFSD has conserved the number of pages held by each nfsd thread by combining the RPC receive and send buffers into a single array of pages. This...

AlmaLinux 8 : kernel (ALSA-2025:21917)

The remote AlmaLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ALSA-2025:21917 advisory. kernel: NFS: Fix a race when updating an existing write CVE-2025-39697 kernel: i40e: fix idx validation in config queues msg CVE-2025-39971 Tenable has...

Oracle Linux 9 : ELSA-2025-20518-0: / kernel (ELSA-2025-205180)

The remote Oracle Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2025-205180 advisory. - iouring/futex: ensure iofutexwait cleans up properly on failure CKI Backport Bot RHEL-114336 CVE-2025-39698 - NFS: Fix filehandle bounds checking i...

CVE-2025-40210

In the Linux kernel, the following vulnerability has been resolved: Revert "NFSD: Remove the cap on number of operations per NFSv4 COMPOUND" I've found that pynfs COMP6 now leaves the connection or lease in a strange state, which causes CLOSE9 to hang indefinitely. I've dug into it a little, but ...

DEBIAN-CVE-2025-40212

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix refcount leak in nfsdsetfhdentry nfsd exports a "pseudo root filesystem" which is used by NFSv4 to find the various exported filesystems using LOOKUP requests from a known root filehandle. NFSv3 uses the MOUNT protocol ...

UBUNTU-CVE-2025-40212

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix refcount leak in nfsdsetfhdentry nfsd exports a "pseudo root filesystem" which is used by NFSv4 to find the various exported filesystems using LOOKUP requests from a known root filehandle. NFSv3 uses the MOUNT protocol ...

CVE-2025-40212

CVE-2025-40212 affects the Linux kernel NFSD code path in nfsd_set_fh_dentry(). The vulnerability occurs when a v3 (or earlier) client uses a filehandle from the pseudo root filesystem; the function can store the export in a svc_fh and drop the reference (exp_put()) in an error path, causing a us...

CVE-2025-40212 nfsd: fix refcount leak in nfsd_set_fh_dentry()

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix refcount leak in nfsdsetfhdentry nfsd exports a "pseudo root filesystem" which is used by NFSv4 to find the various exported filesystems using LOOKUP requests from a known root filehandle. NFSv3 uses the MOUNT protocol ...

Moderate: Red Hat Security Advisory: kernel security update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from th...

kernel: NFS: Fix filehandle bounds checking in nfs_fh_to_dentry()

A flaw out of boundary read in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

Moderate: Red Hat Security Advisory: kernel-rt security update

An update for kernel-rt is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from...

kernel: NFS: Fix a race when updating an existing write

A flaw use after free in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

kernel: NFS: Fix a race when updating an existing write

A flaw use after free in the Linux kernel NFS functionality was found in the way connected user sends malicious data to the server. A remote user could use this flaw to crash the system...

RHEL 8 : kernel (RHSA-2025:21917)

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2025:21917 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: NFS: Fix a race when updating...

Moderate: kernel-rt security update

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fixes: kernel: NFS: Fix a race when updating an existing write CVE-2025-39697 kernel: i40e: fix idx validation in config queues msg CVE-2025-3997...

ALSA-2025:21917 Moderate: kernel security update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: NFS: Fix a race when updating an existing write CVE-2025-39697 kernel: i40e: fix idx validation in config queues msg CVE-2025-39971 For more details about the security issues, including t...

PT-2025-52885

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the NFSv4/pNFS implementation where the NFS INO LAYOUTCOMMIT flag is not properly cleared in the pnfs mark layout stateid invalid function. This can lead to a crash when...