Linux kernel JFS file system information disclosure

linux-jfs-info-disclosure (15902)

Medium Risk

Description:

Linux kernel could allow a local attacker to obtain sensitive information. Linux kernel leaks JFS file system code, which could allow an attacker to obtain sensitive information.

Consequences:

Obtain Information

Remedy:

Upgrade to the latest version of Linux kernel (2.4.26-rc4 or later), available from the Linux kernel Web site. See References.

For Mandrake Linux:
Upgrade to the latest kernel package, as listed below. Refer to MandrakeSoft Security Advisory MDKSA-2004:029 : kernel for more information. See References.

Mandrake Linux 9.1: 2.4.21.0.29mdk-1-1mdk or later
Mandrake Linux 9.2: 2.4.22.29mdk-1-1mdk or later
Mandrake Linux Multi Network Firewall 8.2: 2.4.19.39mdk-1-1mdk or later
Mandrake Linux Corporate Server 2.1: 2.4.19.39mdk-1-1mdk or later
Mandrake Linux 10.0: 2.4.25.3mdk-1-1mdk or later

For Trustix Secure Linux 2, 2.0, and 2.1:
Upgrade to the latest kernel package (2.4.25-6tr or later), as listed in Trustix Secure Linux Security Advisory #2004-0020. See References.

For EnGarde Secure Linux Community Edition and Professional Edition:
Apply the update for this vulnerability, as listed in Guardian Digital Security Advisory ESA-20040428-004. See References.

For Turbolinux:
Upgrade to the latest kernel package, as listed below. Refer to Turbolinux Security Advisory TLSA-2004-14 for more information. See References.

Turbolinux Appliance Server 1.0 Hosting Edition: 2.4.25-3 or later
Turbolinux 10 Desktop: 2.6.0-8 or later
Turbolinux 8 Server or Workstation: 2.4.18-19 or later
Turbolinux 7 Server or Workstation: 2.4.18-19 or later

For Gentoo Linux:
Upgrade to the latest version of kernel, as listed in GLSA 200407-02. See References.

For Red Hat Linux:
Refer to RHSA-2005:663-19 for patch, upgrade, or suggested workaround information. See References.

For other distributions:
Contact your vendor for upgrade or patch information.

References:

• Guardian Digital Security Advisory ESA-20040428-004: kernel.
• Linux kernel Web site: The Linux Kernel Archives.
• Trustix Secure Linux Security Advisory #2004-0020: kernel. (From LinuxSecurity archive)
• BID-10143: Linux Kernel JFS File System Information Leakage Vulnerability
• CVE-2004-0181: The JFS file system code in Linux 2.4.x has an information leak in which in-memory data is written to the device for the JFS file system, which allows local users to obtain sensitive information by reading the raw device.
• GLSA-200407-02: Linux Kernel: Multiple vulnerabilities
• MDKSA-2004:029: Updated kernel packages fix multiple vulnerabilities
• RHSA-2004-504: Updated Itanium kernel packages resolve security issues
• RHSA-2005-663: Updated kernel packages available for Red Hat Enterprise Linux 3 Update 6
• SUSE-SA:2004:009: Linux Kernel: local privilege escalation / information leakage

Platforms Affected:

• EngardeLinux Secure Community 2.0
• EngardeLinux Secure Professional 1.5
• Gentoo Linux
• Linux Kernel 2.4.0
• Linux Kernel 2.4.1
• Linux Kernel 2.4.10
• Linux Kernel 2.4.11
• Linux Kernel 2.4.12
• Linux Kernel 2.4.13
• Linux Kernel 2.4.14
• Linux Kernel 2.4.15
• Linux Kernel 2.4.16
• Linux Kernel 2.4.17
• Linux Kernel 2.4.18
• Linux Kernel 2.4.19
• Linux Kernel 2.4.2
• Linux Kernel 2.4.20
• Linux Kernel 2.4.21
• Linux Kernel 2.4.22
• Linux Kernel 2.4.23
• Linux Kernel 2.4.24
• Linux Kernel 2.4.25
• Linux Kernel 2.4.3
• Linux Kernel 2.4.4
• Linux Kernel 2.4.5
• Linux Kernel 2.4.6
• Linux Kernel 2.4.7
• Linux Kernel 2.4.8
• Linux Kernel 2.4.9
• MandrakeSoft Mandrake Linux 10.0
• MandrakeSoft Mandrake Linux 9.1
• MandrakeSoft Mandrake Linux 9.1 PPC
• MandrakeSoft Mandrake Linux 9.2
• MandrakeSoft Mandrake Linux 9.2 AMD64
• MandrakeSoft Mandrake Linux Corporate Server 2.1
• MandrakeSoft Mandrake Linux Corporate Server 2.1 X86_64
• MandrakeSoft Mandrake Multi Network Firewall 8.2
• Novell SuSE Linux Enterprise Server 7.0
• RedHat Enterprise Linux 2.1 AS
• RedHat Enterprise Linux 3 ES
• RedHat Enterprise Linux 3 AS
• RedHat Enterprise Linux 3 Desktop
• RedHat Enterprise Linux 3 WS
• RedHat Linux Advanced Workstation 2.1 Itanium
• SUSE SuSE Linux 8.1
• SUSE SuSE Linux 9.0
• SuSE SuSE Linux Connectivity Server
• SuSE SuSE Linux Database Server
• SuSE SuSE Linux Office Server
• Trustix Secure Enterprise Linux 2.0
• Trustix Secure Linux 2.0
• Trustix Secure Linux 2.1
• Turbolinux Turbolinux 10 Desktop
• Turbolinux Turbolinux 7 Server
• Turbolinux Turbolinux 7 Workstation
• Turbolinux Turbolinux 8 Server
• Turbolinux Turbolinux 8 Workstation
• Turbolinux Turbolinux Appliance Server 1.0
• Turbolinux Turbolinux Appliance Server 1.0 Hosting Ed
• Turbolinux Turbolinux Appliance Server 1.0 Workgroup Ed

Reported:

Apr 14, 2004

The information within this database may change without notice. Use of this information constitutes acceptance for use in an AS IS condition. There are NO warranties, implied or otherwise, with regard to this information or its use. Any use of this information is at the user's risk. In no event shall the author/distributor (IBM Internet Security Systems X-Force) be held liable for any damages whatsoever arising out of or in connection with the use or spread of this information.

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