kernel: ext4: Avoid null pointer dereference when decoding EROFS w/o a journal

The ext4decodeerror function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers to cause a denial of service NULL pointer dereference, and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal...

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

Updated kernel packages that fix multiple security issues and several bugs are now available for Red Hat Enterprise Linux 5. The Red Hat Security Response Team has rated this update as having important security impact. Common Vulnerability Scoring System CVSS base scores, which give detailed...

kernel security and bug fix update

2.6.18-164.15.1.0.1.el5 - xen check to see if hypervisor supports memory reservation change Chuck Anderson orabug 7556514 - Add entropy support to igb John Sobecki orabug 7607479 - nfs convert ENETUNREACH to ENOTCONN orabug 7689332 - NET Add xen pv/bonding netconsole support Tina yang orabug...

Ubuntu Update for Linux kernel vulnerabilities USN-894-1

Ubuntu Update for Linux kernel vulnerabilities USN-894-1 OpenVAS Vulnerability Test $Id: gbubuntuUSN8941.nasl 7965 2017-12-01 07:38:25Z santu $ Ubuntu Update for Linux kernel vulnerabilities USN-894-1 Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH,...

Ubuntu 6.06 LTS / 8.04 LTS / 8.10 / 9.04 / 9.10 : linux, linux-source-2.6.15 vulnerabilities (USN-894-1)

Amerigo Wang and Eric Sesterhenn discovered that the HFS and ext4 filesystems did not correctly check certain disk structures. If a user were tricked into mounting a specially crafted filesystem, a remote attacker could crash the system or gain root privileges. CVE-2009-4020, CVE-2009-4308 It was...

SuSE Update for kernel SUSE-SA:2010:005

Check for the Version of kernel OpenVAS Vulnerability Test SuSE Update for kernel SUSE-SA:2010:005 Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms ...

SuSE Update for kernel SUSE-SA:2010:001

Check for the Version of kernel OpenVAS Vulnerability Test SuSE Update for kernel SUSE-SA:2010:001 Authors: System Generated Check Copyright: Copyright c 2010 Greenbone Networks GmbH, http://www.greenbone.net This program is free software; you can redistribute it and/or modify it under the terms ...

openSUSE Security Update : kernel (kernel-1749)

The openSUSE 11.1 Kernel was updated to 2.6.27.42 fixing various bugs and security issues. Following security issues were fixed: CVE-2009-4536: A underflow in the e1000 jumbo ethernet frame handling could be use by link-local remote attackers to crash the machine or potentially execute code in...

Linux Kernel ext4_decode_error函数空指针引用拒绝服务漏洞

CVE ID: CVE-2009-4308 Linux Kernel是开放源码操作系统Linux所使用的内核。 Linux Kernel的ext4子系统的fs/ext4/super.c文件中的ext4decodeerror函数中存在空指针引用错误。用户受骗加载了特制的只读文件系统就可以触发这个漏洞，导致拒绝服务的情况。 Linux kernel 2.6.x Linux ----- 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：...

Linux Kernel ext4_fill_flex_info函数拒绝服务漏洞

CVE ID: CVE-2009-4307 Linux Kernel是开放源码操作系统Linux所使用的内核。 Linux Kernel的ext4子系统fs/ext4/super.c文件中的ext4fillflexinfo函数中存在拒绝服务漏洞。如果用户所加载的 ext4文件系统中的超级块带有超大的FLEXBG组大小（也称为sloggroupsperflex值），groupsperflex就会溢出，导致0除数错误，系统可能会崩溃。 Linux kernel 2.6.x 厂商补丁： Linux ----- 目前厂商已经发布了升级补丁以修复这个安全问题，请到厂商的主页下载：...

SuSE 11.2 Security Update: kernel (2009-12-18)

The Linux kernel for openSUSE 11.2 was updated to 2.6.31.8 to fix the following bugs and security issues : - A file overwrite issue on the ext4 filesystem could be used by local attackers that have write access to a filesystem to change/overwrite files of other users, including root. CVE-2009-413...

Linux Kernel Ext4 'move extents' ioctl本地特权提升漏洞

Bugraq ID: 37277 CVE ID：CVE-2009-4131 Linux是一款开放源代码的操作系统。 处理"EXT4IOCMOVEEXT" IOCTL时缺少充分的访问检查，本地攻击者发送特殊构建的IOCTL可以ROOT权限覆盖系统任意文件，导致拒绝服务或特权提升。 Linux kernel 2.6.31 5 Linux kernel 2.6.31 .2 Linux kernel 2.6.31 -rc7 Linux kernel 2.6.31 -rc6 Linux kernel 2.6.31 -rc3 + Trustix Secure Enterprise Linux 2.0...

Fedora Core 12 FEDORA-2009-13039 (kernel)

The remote host is missing an update to the kernel announced via advisory FEDORA-2009-13039. Note: This VT has been deprecated and is therefore no longer functional. SPDX-FileCopyrightText: 2009 E-Soft Inc. Some text descriptions might be excerpted from a referenced sources, and are Copyright C b...

CVE-2009-4307

The ext4fillflexinfo function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service divide-by-zero error and panic via a malformed ext4 filesystem containing a super block with a large FLEXBG group size aka sloggroupsperflex...

Null pointer dereference

The ext4decodeerror function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers to cause a denial of service NULL pointer dereference, and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal...

CVE-2009-4308

The ext4decodeerror function in fs/ext4/super.c in the ext4 filesystem in the Linux kernel before 2.6.32 allows user-assisted remote attackers to cause a denial of service NULL pointer dereference, and possibly have unspecified other impact, via a crafted read-only filesystem that lacks a journal...

Denial of service

The ext4fillflexinfo function in fs/ext4/super.c in the Linux kernel before 2.6.32-git6 allows user-assisted remote attackers to cause a denial of service divide-by-zero error and panic via a malformed ext4 filesystem containing a super block with a large FLEXBG group size aka sloggroupsperflex...

Design/Logic Flaw

Unspecified vulnerability in the EXT4IOCMOVEEXT aka move extents ioctl implementation in the ext4 filesystem in the Linux kernel 2.6.32-git6 and earlier allows local users to cause a denial of service filesystem corruption via unknown vectors, a different vulnerability than CVE-2009-4131...

CVE-2009-4131

The EXT4IOCMOVEEXT aka move extents ioctl implementation in the ext4 filesystem in the Linux kernel before 2.6.32-git6 allows local users to overwrite arbitrary files via a crafted request, related to insufficient checks for file permissions...

CVE-2009-4306

Unspecified vulnerability in the EXT4IOCMOVEEXT aka move extents ioctl implementation in the ext4 filesystem in the Linux kernel 2.6.32-git6 and earlier allows local users to cause a denial of service filesystem corruption via unknown vectors, a different vulnerability than CVE-2009-4131...