__________________________________________________________
	
						   The U.S. Department of Energy
					   Computer Incident Advisory Capability
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								 INFORMATION BULLETIN
	
							  Linux Kernel Vulnerabilties
						 [Debian Security Advisory DSA-1067-1]
	
	May 22, 2006 19:00 GMT                                            Number Q-204
	[REVISED 30 May 2006]
	______________________________________________________________________________
	PROBLEM:       There are several local and remote vulnerabilities have been 
				   discovered in the Linux Kernel. 
	PLATFORM:      Debian GNU/Linux 3.0 alias woody 
	DAMAGE:        May lead to a Denial of Service or the execution of arbitrary 
				   code. 
	SOLUTION:      Upgrade to the appropriate version. 
	______________________________________________________________________________
	VULNERABILITY  The risk is MEDIUM. May execute arbitrary code. 
	ASSESSMENT:                                                                   
	______________________________________________________________________________
	LINKS: 
	 CIAC BULLETIN:      http://www.ciac.org/ciac/bulletins/204.shtml 
	 ORIGINAL BULLETIN:  Debian Security Advisory DSA-1067-1
						 http://www.debian.org/security/2006/dsa-1067 
	 ADDITIONAL LINKS:   Debian Security Advisories:
						 DSA-1069-1
						 http://www.debian.org/security/2006/dsa-1069
						 DSA-1070-1
						 http://www.debian.org/security/2006/dsa-1070
						 DSA-1082-1
					     http://www.debian.org/security/2006/dsa-1082
	 CVE:                http://www.cve.mitre.org/cgi-bin/cvename.cgi?name= 
						 CVE-2004-0427, CVE-2005-0489, CVE-2004-0394, 
						 CVE-2004-0447, CVE-2004-0554, CVE-2004-0565, 
						 CVE-2004-0685, CVE-2005-0001, CVE-2004-0883, 
						 CVE-2004-0949, CVE-2004-1016, CVE-2004-1333, 
						 CVE-2004-0997, CVE-2004-1335, CVE-2004-1017, 
						 CVE-2005-0124, CVE-2005-0528, CVE-2003-0984, 
						 CVE-2004-1070, CVE-2004-1071, CVE-2004-1072, 
						 CVE-2004-1073, CVE-2004-1074, CVE-2004-0138, 
						 CVE-2004-1068, CVE-2004-1234, CVE-2005-0003, 
						 CVE-2004-1235, CVE-2005-0504, CVE-2005-0384, 
						 CVE-2005-0135 
	______________________________________________________________________________
	REVISION HISTORY:
	05/30/2006 - added a link to Debian Security Advisory DSA-1082-1 for Debian 
	             GNU/Linux 3.0 alias woody.
				 
				 
				 
	[***** Start Debian Security Advisory DSA-1067-1 *****]
	
	Debian Security Advisory
	DSA-1067-1 kernel-source-2.4.16 -- several vulnerabilities
	Date Reported: 
	20 May 2006 
	Affected Packages: 
	kernel-source-2.4.16
	kernel-image-2.4.16-lart
	kernel-image-2.4.16-riscpc
	kernel-image-2.4.16-netwinder 
	Vulnerable: 
	Yes 
	Security database references: 
	In Mitre's CVE dictionary: CVE-2004-0427, CVE-2005-0489, CVE-2004-0394, 
	CVE-2004-0447, CVE-2004-0554, CVE-2004-0565, CVE-2004-0685, CVE-2005-0001, 
	CVE-2004-0883, CVE-2004-0949, CVE-2004-1016, CVE-2004-1333, CVE-2004-0997, 
	CVE-2004-1335, CVE-2004-1017, CVE-2005-0124, CVE-2005-0528, CVE-2003-0984, 
	CVE-2004-1070, CVE-2004-1071, CVE-2004-1072, CVE-2004-1073, CVE-2004-1074, 
	CVE-2004-0138, CVE-2004-1068, CVE-2004-1234, CVE-2005-0003, CVE-2004-1235, 
	CVE-2005-0504, CVE-2005-0384, CVE-2005-0135.
	
	More information: 
	Several local and remote vulnerabilities have been discovered in the Linux 
	kernel that may lead to a denial of service or the execution of arbitrary code. 
	The Common Vulnerabilities and Exposures project identifies the following 
	problems:
	
	CVE-2004-0427 
	A local denial of service vulnerability in do_fork() has been found.
	
	CVE-2005-0489 
	A local denial of service vulnerability in proc memory handling has been found.
	
	CVE-2004-0394 
	A buffer overflow in the panic handling code has been found.
	
	CVE-2004-0447 
	A local denial of service vulnerability through a null pointer dereference in 
	the IA64 process handling code has been found.
	
	CVE-2004-0554 
	A local denial of service vulnerability through an infinite loop in the signal 
	handler code has been found.
	
	CVE-2004-0565 
	An information leak in the context switch code has been found on the IA64 
	architecture.
	
	CVE-2004-0685 
	Unsafe use of copy_to_user in USB drivers may disclose sensitive information.
	
	CVE-2005-0001 
	A race condition in the i386 page fault handler may allow privilege escalation.
	
	CVE-2004-0883 
	Multiple vulnerabilities in the SMB filesystem code may allow denial of service 
	or information disclosure.
	
	CVE-2004-0949 
	An information leak discovered in the SMB filesystem code.
	
	CVE-2004-1016 
	A local denial of service vulnerability has been found in the SCM layer.
	
	CVE-2004-1333 
	An integer overflow in the terminal code may allow a local denial of service 
	vulnerability.
	
	CVE-2004-0997 
	A local privilege escalation in the MIPS assembly code has been found.
	
	CVE-2004-1335 
	A memory leak in the ip_options_get() function may lead to denial of service.
	
	CVE-2004-1017 
	Multiple overflows exist in the io_edgeport driver which might be usable as a 
	denial of service attack vector.
	
	CVE-2005-0124 
	Bryan Fulton reported a bounds checking bug in the coda_pioctl function which 
	may allow local users to execute arbitrary code or trigger a denial of service 
	attack.
	
	CVE-2005-0528 
	A local privilege escalation in the mremap function has been found.
	
	CVE-2003-0984 
	Inproper initialization of the RTC may disclose information.
	
	CVE-2004-1070 
	Insufficient input sanitising in the load_elf_binary() function may lead to 
	privilege escalation.
	
	CVE-2004-1071 
	Incorrect error handling in the binfmt_elf loader may lead to privilege 
	escalation.
	
	CVE-2004-1072 
	A buffer overflow in the binfmt_elf loader may lead to privilege escalation or 
	denial of service.
	
	CVE-2004-1073 
	The open_exec function may disclose information.
	
	CVE-2004-1074 
	The binfmt code is vulnerable to denial of service through malformed a.out 
	binaries.
	
	CVE-2004-0138 
	A denial of service vulnerability in the ELF loader has been found.
	
	CVE-2004-1068 
	A programming error in the unix_dgram_recvmsg() function may lead to privilege 
	escalation.
	
	CVE-2004-1234 
	The ELF loader is vulnerable to denial of service through malformed binaries.
	
	CVE-2005-0003 
	Crafted ELF binaries may lead to privilege escalation, due to insufficient 
	checking of overlapping memory regions.
	
	CVE-2004-1235 
	A race condition in the load_elf_library() and binfmt_aout() functions may 
	allow privilege escalation.
	
	CVE-2005-0504 
	An integer overflow in the Moxa driver may lead to privilege escalation.
	
	CVE-2005-0384 
	A remote denial of service vulnerability has been found in the PPP driver.
	
	CVE-2005-0135 
	An IA64 specific local denial of service vulnerability has been found in the 
	unw_unwind_to_user() function.
	
	The following matrix explains which kernel version for which architecture fix 
	the problems mentioned above:
	
	 Debian 3.0 (woody) 
	Source  2.4.16-1woody2 
	arm/lart  20040419woody1 
	arm/netwinder  20040419woody1 
	arm/riscpc  20040419woody1 
	
	We recommend that you upgrade your kernel package immediately and reboot the 
	machine.
	
	Fixed in: 
	Debian GNU/Linux 3.0 (woody)
	Source: 
	http://security.debian.org/pool/updates/main/k/kernel-image-2.4.16-lart/
	kernel-image-2.4.16-lart_20040419woody1.dsc
	
	http://security.debian.org/pool/updates/main/k/kernel-image-2.4.16-lart/
	kernel-image-2.4.16-lart_20040419woody1.tar.gz
	
	http://security.debian.org/pool/updates/main/k/kernel-image-2.4.16-netwinder
	/kernel-image-2.4.16-netwinder_20040419woody1.dsc
	
	http://security.debian.org/pool/updates/main/k/kernel-image-2.4.16-netwinder/
	kernel-image-2.4.16-netwinder_20040419woody1.tar.gz
	
	http://security.debian.org/pool/updates/main/k/kernel-image-2.4.16-riscpc/
	kernel-image-2.4.16-riscpc_20040419woody1.dsc
	
	http://security.debian.org/pool/updates/main/k/kernel-image-2.4.16-riscpc/
	kernel-image-2.4.16-riscpc_20040419woody1.tar.gz
	
	http://security.debian.org/pool/updates/main/k/kernel-source-2.4.16/kernel
	-source-2.4.16_2.4.16-1woody3.dsc
	
	http://security.debian.org/pool/updates/main/k/kernel-source-2.4.16/kernel
	-source-2.4.16_2.4.16-1woody3.diff.gz
	
	http://security.debian.org/pool/updates/main/k/kernel-source-2.4.16/kernel
	-source-2.4.16_2.4.16.orig.tar.gz
	
	ARM: 
	http://security.debian.org/pool/updates/main/k/kernel-image-2.4.16-lart/
	kernel-image-2.4.16-lart_20040419woody1_arm.deb
	
	http://security.debian.org/pool/updates/main/k/kernel-image-2.4.16-netwinder
	/kernel-headers-2.4.16_20040419woody1_arm.deb
	
	http://security.debian.org/pool/updates/main/k/kernel-image-2.4.16-netwinder/
	kernel-image-2.4.16-netwinder_20040419woody1_arm.deb
	
	http://security.debian.org/pool/updates/main/k/kernel-image-2.4.16-riscpc/
	kernel-image-2.4.16-riscpc_20040419woody1_arm.deb
	
	Architecture-independent component: 
	http://security.debian.org/pool/updates/main/k/kernel-source-2.4.16/kernel
	-doc-2.4.16_2.4.16-1woody3_all.deb
	
	http://security.debian.org/pool/updates/main/k/kernel-source-2.4.16/kernel
	-source-2.4.16_2.4.16-1woody3_all.deb
	
	MD5 checksums of the listed files are available in the original advisory.
	
	
	[***** End Debian Security Advisory DSA-1067-1 *****]
	_______________________________________________________________________________
	
	CIAC wishes to acknowledge the contributions of Debian for the 
	information contained in this bulletin.
	_______________________________________________________________________________
	
	
	CIAC, the Computer Incident Advisory Capability, is the computer
	security incident response team for the U.S. Department of Energy
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