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: cifs: fix oops during encryption

An out-of-bounds memory access vulnerability exists in the linux kernel, such that A stack-allocated buffer backed by vmalloc was passed into crypto code scatterwalkmapandcopy → memcpy where a cross-page write occurred. This ended up hitting a read-only mapping, causing a page-level fault and...

SUSE-SU-2026:20560-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Server 16.0 and SUSE Linux Micro 6.2 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2024-53164: net: sched: fix ordering of qlen adjustment bsc1234863. - CVE-2024-57891: schedext: Fix invalid irq restore in...

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...

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...

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...

Linux Distros Unpatched Vulnerability : CVE-2022-50567

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - fs: jfs: fix shift-out-of-bounds in dbAllocAG Syzbot found a crash : UBSAN: shift-out-of-bounds in dbAllocAG. The underlying bug is the missing check of...

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 ...

USN-7887-1: Linux kernel (Raspberry Pi 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: - ARM64 architecture; - PowerPC architecture; - x86 architecture; - ACPI drivers; - Ublk userspace block driver; -...

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 ...

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...

The vulnerability of the nilfs_ioctl_set_alloc_range() function in the fs/nilfs2/ioctl.c module of the NILFS2 file system support module in the Linux operating system allows a hacker to cause a service failure.

The vulnerability of the nilfsioctlsetallocrange function in the fs/nilfs2/ioctl.c module of the NILFS2 file system support in the Linux operating system is related to the possibility of integer overflow. Exploiting this vulnerability could allow an attacker to cause a service failure...