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CVE
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CVE-2011-2928Date: (C)2011-08-29   (M)2018-04-12


The befs_follow_link function in fs/befs/linuxvfs.c in the Linux kernel before 3.1-rc3 does not validate the length attribute of long symlinks, which allows local users to cause a denial of service (incorrect pointer dereference and OOPS) by accessing a long symlink on a malformed Be filesystem.

CVSS Score and Metrics +CVSS Score and Metrics -

CVSS V3 Severity:CVSS V2 Severity:
CVSS Score : CVSS Score : 4.9
Exploit Score: Exploit Score: 3.9
Impact Score: Impact Score: 6.9
 
CVSS V3 Metrics:CVSS V2 Metrics:
Attack Vector: Access Vector: LOCAL
Attack Complexity: Access Complexity: LOW
Privileges Required: Authentication: NONE
User Interaction: Confidentiality: NONE
Scope: Integrity: NONE
Confidentiality: Availability: COMPLETE
Integrity:  
Availability:  
  
Reference:
http://www.securityfocus.com/archive/1/archive/1/519387/100/0/threaded
BID-49256
SREASON-8360
http://www.openwall.com/lists/oss-security/2011/08/19/1
http://www.openwall.com/lists/oss-security/2011/08/19/5
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=338d0f0a6fbc82407864606f5b64b75aeb3c70f2
http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.1-rc3
http://www.pre-cert.de/advisories/PRE-SA-2011-06.txt
linux-kernel-be-dos(69343)

CPE    691
cpe:/o:linux:linux_kernel:2.6.33:rc8
cpe:/o:linux:linux_kernel:2.6.33:rc7
cpe:/o:linux:linux_kernel:2.6.33:rc4
cpe:/o:linux:linux_kernel:2.6.33:rc3
...
CWE    1
CWE-20
OVAL    6
oval:org.secpod.oval:def:600648
oval:org.secpod.oval:def:600617
oval:org.secpod.oval:def:600622
oval:org.secpod.oval:def:700679
...

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