kernel: remove SUID when splicing into an inode

The genericfilesplicewrite function in fs/splice.c in the Linux kernel before 2.6.19 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified...

Debian DSA-1653-1 : linux-2.6 - denial of service/privilege escalation

Several vulnerabilities have been discovered in the Linux kernel that may lead to a denial of service or privilege escalation. The Common Vulnerabilities and Exposures project identifies the following problems : - CVE-2007-6716 Joe Jin reported a local denial of service vulnerability that allows...

kernel: tmpfs: fix kernel BUG in shmem_delete_inode

The shmemdeleteinode function in mm/shmem.c in the tmpfs implementation in the Linux kernel before 2.6.26.1 allows local users to cause a denial of service system crash via a certain sequence of file create, remove, and overwrite operations, as demonstrated by the insserv program, related to...

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 MRG 1.0. 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...

Linux Kernel UBIFS Orphan Inode Local Denial of Service Vulnerability

CVE: CVE-2008-3275 The Linux kernel is prone to a local denial-of-service vulnerability affecting the VFS behavior in UBIFS UBI File System. Attackers can exploit this issue to cause the kernel to crash, denying service to legitimate users. Ubuntu Ubuntu Linux 8.04 LTS sparc Ubuntu Ubuntu Linux...

CVE-2008-3833

The genericfilesplicewrite function in fs/splice.c in the Linux kernel before 2.6.19 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified...

CVE-2008-3833

The genericfilesplicewrite function in fs/splice.c in the Linux kernel before 2.6.19 does not properly strip setuid and setgid bits when there is a write to a file, which allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified...

PT-2008-5180 · Linux +1 · Linux Kernel +1

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to 2.6.19 Description: The issue allows local users to gain the privileges of a different group, and obtain sensitive information or possibly have unspecified other impact, by splicing into an inode in order to...

Linux内核Ext3无效索引节点序号拒绝服务攻击漏洞

Secunia Advisory:SA21369 Linux内核被报告一个漏洞，该漏洞可被恶意用户操作进行拒绝服务攻击Denial of Service。 该漏洞是由处理一个无效索引节点序号（inode number）时ext3内的一个错误引起的。盖漏洞可被操作发送一个特殊处理的带有V2程序例如 V2LOOKUP的NFS请求使其列入无效索引节点序号。 成功操作会致使输出目录被重置为只读。 该漏洞已经在版本2.6.14.4、2.6.17.6和2.6.17.7中被证实。其他版本可能同样被影响。 Linux Kernel 2.6.x 仅同意信任用户访问受影响系统。...

Linux Kernel dnotify.c文件本地竞争条件漏洞

BUGTRAQ ID: 29003 CVECAN ID: CVE-2008-1375 Linux Kernel是开放源码操作系统Linux所使用的内核。 Linux Kernel的dnotify子系统在fcntl和close调用之间存在竞争条件，在最后一个描述符已经离开current-files之后可以将dnotifystruct注入到inode的列表中，这可能导致系统崩溃或获得root用户权限。 Linux kernel 2.6.25.1 厂商补丁： Debian ------ Debian已经为此发布了一个安全公告（DSA-1565-1）以及相应补丁: DSA-1565-1：New...

Important: kernel security and bug fix update

2.6.18-53.1.6.0.1.el5 - NET Add entropy support to e1000 and bnx2 John Sobecki ORA 6045759 - NET Fix msi issue with kexec/kdump Michael Chan ORA 6219364 - MM Fix allocpagesnode static nid' race made kernel crash Joe Jin ORA 6187457 - splice Fix bad unlockpage in error case Jens Axboe ORA 6263574 ...

Null pointer to an inode in a dentry can cause an oops in sysfs_readdir

The sysfsreaddir function in the Linux kernel 2.6, as used in Red Hat Enterprise Linux RHEL 4.5 and other distributions, allows users to cause a denial of service kernel OOPS by dereferencing a null pointer to an inode in a dentry...

Design/Logic Flaw

JFFS2, as used on One Laptop Per Child OLPC build 542 and possibly other Linux systems, when POSIX ACL support is enabled, does not properly store permissions during 1 inode creation or 2 ACL setting, which might allow local users to access restricted files or directories after a remount of a...

CVE-2007-3104

The sysfsreaddir function in the Linux kernel 2.6, as used in Red Hat Enterprise Linux RHEL 4.5 and other distributions, allows users to cause a denial of service kernel OOPS by dereferencing a null pointer to an inode in a dentry...

Null pointer dereference

The sysfsreaddir function in the Linux kernel 2.6, as used in Red Hat Enterprise Linux RHEL 4.5 and other distributions, allows users to cause a denial of service kernel OOPS by dereferencing a null pointer to an inode in a dentry...

Important: kernel security update

2.6.9-55.0.2.0.1 - fix entropy flag in bnx2 driver to generate entropy pool John Sobecki orabug 5931647 - fix for nfs open call taking longer issue Chuck Lever orabug 5580407 bz 219412 - fix enomem due to larger mtu size page alloc Zach Brown orabug 5486128 - fix percpu api bugon with rds Zach...

Null pointer to an inode in a dentry can cause an oops in sysfs_readdir

The sysfsreaddir function in the Linux kernel 2.6, as used in Red Hat Enterprise Linux RHEL 4.5 and other distributions, allows users to cause a denial of service kernel OOPS by dereferencing a null pointer to an inode in a dentry...

Linux Kernel listxattr本地拒绝服务漏洞

Linux Kernel是开放源码操作系统Linux所使用的内核。 Linux Kernel的listxattr系统调用实现上存在漏洞，本地攻击者可能利用此漏洞导致拒绝服务（数据破坏）或权限提升。 必须首先存在不良的inode才能成功利用这个漏洞。 Linux kernel = 2.6.19.2 RedHat Enterprise Linux WS 4 RedHat Enterprise Linux ES 4 RedHat Enterprise Linux AS 4 RedHat已经为此发布了一个安全公告（RHSA-2007:0014-01）以及相应补丁:...

CVE-2006-5753

Unspecified vulnerability in the listxattr system call in Linux kernel, when a "bad inode" is present, allows local users to cause a denial of service data corruption and possibly gain privileges via unknown vectors...

kernel listxattr syscall can corrupt user space programs

Unspecified vulnerability in the listxattr system call in Linux kernel, when a "bad inode" is present, allows local users to cause a denial of service data corruption and possibly gain privileges via unknown vectors...