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...

OpenBSD security vulnerabilities

OpenBSD is a cross-platform, BSD-based, UNIX-like operating system from the Canadian OpenBSD project team. A security vulnerability exists in OpenBSD NFS versions 7.4 through 14.0 that originates from a vulnerability that allows remote attackers to execute arbitrary code...

SUSE CVE-2021-47167

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix an Oopsable condition in nfspageioaddrequest Ensure that nfspageioerrorcleanup resets the mirror array contents, so that the structure reflects the fact that it is now empty. Also change the test in nfspageiodoaddrequest...

SUSE CVE-2021-47168

In the Linux kernel, the following vulnerability has been resolved: NFS: fix an incorrect limit in filelayoutdecodelayout The "sizeofstruct nfsfh" is two bytes too large and could lead to memory corruption. It should be NFSMAXFHSIZE because that's the size of the -data buffer. I reversed the size...

SUSE CVE-2021-47166

In the Linux kernel, the following vulnerability has been resolved: NFS: Don't corrupt the value of pgbyteswritten in nfsdorecoalesce The value of mirror-pgbyteswritten should only be updated after a successful attempt to flush out the requests on the list...

DEBIAN-CVE-2023-52623

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix a suspicious RCU usage warning I received the following warning while running cthon against an ontap server running pNFS: 57.202521 ============================= 57.202522 WARNING: suspicious RCU usage 57.202523...

UBUNTU-CVE-2023-52623

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Fix a suspicious RCU usage warning I received the following warning while running cthon against an ontap server running pNFS: 57.202521 ============================= 57.202522 WARNING: suspicious RCU usage 57.202523...

FreeBSD OpenBSD NFS Code Execution

The vulnerability of the NFS network file system server implementation for FreeBSD and OpenBSD is related to errors in processing input data. Exploiting this vulnerability allows a remote attacker to execute arbitrary code with root privileges...

DEBIAN-CVE-2021-47166

In the Linux kernel, the following vulnerability has been resolved: NFS: Don't corrupt the value of pgbyteswritten in nfsdorecoalesce The value of mirror-pgbyteswritten should only be updated after a successful attempt to flush out the requests on the list...

DEBIAN-CVE-2021-47167

In the Linux kernel, the following vulnerability has been resolved: NFS: Fix an Oopsable condition in nfspageioaddrequest Ensure that nfspageioerrorcleanup resets the mirror array contents, so that the structure reflects the fact that it is now empty. Also change the test in nfspageiodoaddrequest...

DEBIAN-CVE-2021-47168

In the Linux kernel, the following vulnerability has been resolved: NFS: fix an incorrect limit in filelayoutdecodelayout The "sizeofstruct nfsfh" is two bytes too large and could lead to memory corruption. It should be NFSMAXFHSIZE because that's the size of the -data buffer. I reversed the size...

UBUNTU-CVE-2021-47168

In the Linux kernel, the following vulnerability has been resolved: NFS: fix an incorrect limit in filelayoutdecodelayout The "sizeofstruct nfsfh" is two bytes too large and could lead to memory corruption. It should be NFSMAXFHSIZE because that's the size of the -data buffer. I reversed the size...

UBUNTU-CVE-2021-47179

In the Linux kernel, the following vulnerability has been resolved: NFSv4: Fix a NULL pointer dereference in pnfsmarkmatchinglsegsreturn Commit de144ff4234f changes pnfsreturnlayout to call pnfsmarkmatchinglsegsreturn passing NULL as the struct pnfslayoutrange argument. Unfortunately,...

UBUNTU-CVE-2021-47166

In the Linux kernel, the following vulnerability has been resolved: NFS: Don't corrupt the value of pgbyteswritten in nfsdorecoalesce The value of mirror-pgbyteswritten should only be updated after a successful attempt to flush out the requests on the list...

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 security issue with Oopsable in nfspageioaddrequest...

PT-2024-11213 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: The issue concerns the corruption of the pg bytes written value in the nfs do recoalesce function. The value of mirror-pg bytes written should only be updated after a successful attemp...

PT-2024-2366

Name of the Vulnerable Software and Affected Versions OpenBSD versions through 7.4 FreeBSD versions through 14.0-RELEASE Description The issue is related to a bug in the Network File System NFS implementation used in OpenBSD and FreeBSD, allowing remote attackers to execute arbitrary code via a...

SUSE CVE-2024-26629

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix RELEASELOCKOWNER The test on socount in nfsd4releaselockowner is nonsense and harmful. Revert to using checkforlocks, changing that to not sleep. First: harmful. As is documented in the kdoc comment for...