kernel: nfsd4: bug in read_buf

Multiple buffer overflows in fs/nfsd/nfs4xdr.c in the XDR implementation in the NFS server in the Linux kernel before 2.6.34-rc6 allow remote attackers to cause a denial of service panic or possibly execute arbitrary code via a crafted NFSv4 compound WRITE request, related to the readbuf and...

kernel: nfsd4: bug in read_buf

Multiple buffer overflows in fs/nfsd/nfs4xdr.c in the XDR implementation in the NFS server in the Linux kernel before 2.6.34-rc6 allow remote attackers to cause a denial of service panic or possibly execute arbitrary code via a crafted NFSv4 compound WRITE request, related to the readbuf and...

PT-2010-4077 · Linux +2 · Linux Kernel +2

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 2.6.34-rc6 Description: The issue is related to multiple buffer overflows in the XDR implementation in the NFS server, specifically in the fs/nfsd/nfs4xdr.c file. This can be exploited by remote attackers via a...

FreeBSD Security Advisory (FreeBSD-SA-10:06.nfsclient.asc)

The remote host is missing an update to the system as announced in the referenced advisory FreeBSD-SA-10:06.nfsclient.asc SPDX-FileCopyrightText: 2010 E-Soft Inc. Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders...

HP-UX with NFS/ONCplus NFS access

No description provided...

CVE-2007-6733

The nfslock function in fs/nfs/file.c in the Linux kernel 2.6.9 does not properly remove POSIX locks on files that are setgid without group-execute permission, which allows local users to cause a denial of service BUG and system crash by locking a file on an NFS filesystem and then changing this...

CentOS 5 : kernel (CESA-2009:0473)

Updated kernel packages that fix several security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...

kernel: nfsv4: kernel panic in nfs4_proc_lock()

The nfs4proclock function in fs/nfs/nfs4proc.c in the NFSv4 client in the Linux kernel before 2.6.31-rc4 allows remote NFS servers to cause a denial of service NULL pointer dereference and panic by sending a certain response containing incorrect file attributes, which trigger attempted use of an...

Omni-NFS Server Buffer Overflow

This file is part of the Metasploit Framework and may be subject to redistribution and commercial restrictions. Please see the Metasploit Framework web site for more information on licensing and terms of use. http://metasploit.com/projects/Framework/ require 'msf/core' class Metasploit3 'Omni-NFS...

PT-2009-5897 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 2.6.31.2 Description: The issue is related to the lookup cb cred function in the nfsd4 subsystem, which attempts to access a credentials cache even when a client specifies the AUTH NULL authentication flavor. Th...

nfs-utils: incorrect use of tcp_wrappers, causing hostname-based rules to be ignored

The goodclient function in nfs-utils 1.0.9, and possibly other versions before 1.1.3, invokes the hostsctl function with the wrong order of arguments, which causes TCP Wrappers to ignore netgroups and allows remote attackers to bypass intended access restrictions...

kernel: nfs: fix NFS v4 client handling of MAY_EXEC in nfs_permission

The nfspermission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel 2.6.29.3 and earlier, when atomicopen is available, does not check execute aka EXEC or MAYEXEC permission bits, which allows local users to bypass permissions and execute files, as demonstrated by file...

Important: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix several security issues and various bugs are now available for Red Hat Enterprise Linux 4. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...

kernel: nfs: fix NFS v4 client handling of MAY_EXEC in nfs_permission

The nfspermission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel 2.6.29.3 and earlier, when atomicopen is available, does not check execute aka EXEC or MAYEXEC permission bits, which allows local users to bypass permissions and execute files, as demonstrated by file...

kernel: nfsd should drop CAP_MKNOD for non-root

nfsd in the Linux kernel before 2.6.28.9 does not drop the CAPMKNOD capability before handling a user request in a thread, which allows local users to create device nodes, as demonstrated on a filesystem that has been exported with the rootsquash option...

kernel: nfs: fix NFS v4 client handling of MAY_EXEC in nfs_permission

The nfspermission function in fs/nfs/dir.c in the NFS client implementation in the Linux kernel 2.6.29.3 and earlier, when atomicopen is available, does not check execute aka EXEC or MAYEXEC permission bits, which allows local users to bypass permissions and execute files, as demonstrated by file...

Important: Red Hat Security Advisory: kernel security and bug fix update

Updated kernel packages that fix several security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...

kernel: nfsv4 client can be crashed by stating a long filename

fs/nfs/client.c in the Linux kernel before 2.6.23 does not properly initialize a certain structure member that stores the maximum NFS filename length, which allows local users to cause a denial of service OOPS via a long filename, related to the encodelookup function...

RHEL 4 : kernel (RHSA-2009:1024)

Updated kernel packages are now available as part of the ongoing support and maintenance of Red Hat Enterprise Linux version 4. This is the eighth regular update. These updated packages fix two security issues, hundreds of bugs, and add numerous enhancements. Space precludes a detailed descriptio...

RHEL 5 : kernel (RHSA-2009:0473)

Updated kernel packages that fix several security issues and several bugs are now available for Red Hat Enterprise Linux 5. This update has been rated as having important security impact by the Red Hat Security Response Team. The kernel packages contain the Linux kernel, the core of any Linux...