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.

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
• RedHat, Enterprise Linux 2.1 AS
• RedHat, Enterprise Linux 3 Desktop
• RedHat, Enterprise Linux 3 WS
• RedHat, Enterprise Linux 3 AS
• RedHat, Enterprise Linux 3 ES
• 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 Enterprise Server 7.0
• 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

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.

Consequences:

Obtain Information

References:

• Guardian Digital Security Advisory ESA-20040428-004, kernel at http://www.linuxsecurity.com/content/view/105991/101/.
• Linux kernel Web site, The Linux Kernel Archives at http://www.kernel.org.
• Trustix Secure Linux Security Advisory #2004-0020, kernel at http://www.linuxsecurity.com/content/view/105947/109/. (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

Reported:

Apr 14, 2004

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