Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: exthdr: fix 4-byte stack OOB write If priv-len is a multiple of 4, then dstlen / 4 can write past the destination array which leads to stack corruption. This construct is necessary to clean th...

PT-2024-40993 · Suse · Suse Linux Enterprise

Name of the Vulnerable Software and Affected Versions: SUSE Linux Enterprise 15 SP5 RT kernel affected versions not specified Description: The issue concerns a regression with kerberized nfs4 shares. This update fixes the regression and includes various security bugfixes. Recommendations: At the...

CVE-2021-47507

In the Linux kernel, the following vulnerability has been resolved: nfsd: Fix nsfd startup race again Commit bd5ae9288d64 "nfsd: register pernet ops last, unregister first" has re-opened rpcpipefsevent race against nfsdnetid registration registerpernetsubsys which has been fixed by commit...

SUSE CVE-2021-47359

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix soft lockup during fsstress Below traces are observed during fsstress and system got hung. 130.698396 watchdog: BUG: soft lockup - CPU6 stuck for 26s!...

CVE-2021-47359

In the Linux kernel, the following vulnerability has been resolved: cifs: Fix soft lockup during fsstress Below traces are observed during fsstress and system got hung. 130.698396 watchdog: BUG: soft lockup - CPU6 stuck for 26s!...

DEBIAN-CVE-2021-47259

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix use-after-free in nfs4initclient KASAN reports a use-after-free when attempting to mount two different exports through two different NICs that belong to the same server. Olga was able to hit this with kernels starting...

DEBIAN-CVE-2021-47260

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a potential NULL dereference in nfsgetclient None of the callers are expecting NULL returns from nfsgetclient so this code will lead to an Oops. It's better to return an error pointer. I expect that this is dead code so...

UBUNTU-CVE-2021-47259

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix use-after-free in nfs4initclient KASAN reports a use-after-free when attempting to mount two different exports through two different NICs that belong to the same server. Olga was able to hit this with kernels starting...

UBUNTU-CVE-2021-47260

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix a potential NULL dereference in nfsgetclient None of the callers are expecting NULL returns from nfsgetclient so this code will lead to an Oops. It's better to return an error pointer. I expect that this is dead code so...

UBUNTU-CVE-2021-47322

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix an Oops in pnfsmarkrequestcommit when doing ODIRECT Fix an Oopsable condition in pnfsmarkrequestcommit when we're putting a set of writes on the commit list to reschedule them after a failed pNFS attempt...

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 the nfsdrename function incorrectly cleaning up paths...

The vulnerability of the Linux operating system’s Network File System kernel allows a hacker to cause a service failure.

The vulnerability of the Linux operating system’s Network File System kernel lies in the lack of protection against unauthorized data processing during the execution of the .GETDEVICEINFO and LAYOUTGET operations in UDP packets. Exploiting this vulnerability can allow an attacker to cause service...

The vulnerability of the nfs_direct_commit_schedule() function in the fs/nfs/direct.c module of the Linux kernel’s Network File System (NFS) allows a attacker to cause a service failure.

The vulnerability of the nfsdirectcommitschedule function in the fs/nfs/direct.c module of the Linux kernel’s Network File System NFS module is related to the reutilization of previously freed memory. Exploiting this vulnerability could allow an attacker to cause a service failure...

SUSE CVE-2024-27031

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix nfsnetfsissueread xarray locking for writeback interrupt The loop inside nfsnetfsissueread currently does not disable interrupts while iterating through pages in the xarray to submit for NFS read. This is not safe though...

DEBIAN-CVE-2024-27031

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix nfsnetfsissueread xarray locking for writeback interrupt The loop inside nfsnetfsissueread currently does not disable interrupts while iterating through pages in the xarray to submit for NFS read. This is not safe though...

UBUNTU-CVE-2024-27031

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix nfsnetfsissueread xarray locking for writeback interrupt The loop inside nfsnetfsissueread currently does not disable interrupts while iterating through pages in the xarray to submit for NFS read. This is not safe though...

UBUNTU-CVE-2024-26958

In the Linux kernel, the following vulnerability has been resolved: nfs: fix UAF in direct writes In production we have been hitting the following warning consistently ------------ cut here ------------ refcountt: underflow; use-after-free. WARNING: CPU: 17 PID: 1800359 at lib/refcount.c:28...

kernel: NFS: Fix a potential data corruption

A logic error was found in the Linux kernel's NFS client implementation in the write request retransmission handling for ODIRECT operations. A local user performing direct I/O writes over NFS can trigger this issue when the server completes writes synchronously and network conditions require...

UBUNTU-CVE-2024-26868

In the Linux kernel, the following vulnerability has been resolved: nfs: fix panic when nfs4fflayoutprepareds fails We've been seeing the following panic in production BUG: kernel NULL pointer dereference, address: 0000000000000065 PGD 2f485f067 P4D 2f485f067 PUD 2cc5d8067 PMD 0 RIP:...

CVE-2024-29937

NFS in a BSD derived codebase, as used in OpenBSD through 7.4 and FreeBSD through 14.0-RELEASE, allows remote attackers to execute arbitrary code via a bug that is unrelated to memory corruption...