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CVE
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CVE-2011-2695Date: (C)2011-07-28   (M)2018-06-11


Multiple off-by-one errors in the ext4 subsystem in the Linux kernel before 3.0-rc5 allow local users to cause a denial of service (BUG_ON and system crash) by accessing a sparse file in extent format with a write operation involving a block number corresponding to the largest possible 32-bit unsigned integer.

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:
SECUNIA-45193
http://www.spinics.net/lists/linux-ext4/msg25697.html
http://www.openwall.com/lists/oss-security/2011/07/15/7
http://www.openwall.com/lists/oss-security/2011/07/15/8
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=f17722f917b2f21497deb6edc62fb1683daa08e6
http://www.kernel.org/pub/linux/kernel/v3.0/testing/ChangeLog-3.0-rc5
https://bugzilla.redhat.com/show_bug.cgi?id=722557

CPE    682
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-189
OVAL    9
oval:org.secpod.oval:def:700679
oval:org.secpod.oval:def:700715
oval:org.secpod.oval:def:201555
oval:org.secpod.oval:def:201683
...

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