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cve[email protected]CVE-2015-8952
HistoryOct 16, 2016 - 9:59 p.m.

CVE-2015-8952

2016-10-1621:59:00
CWE-19
[email protected]
web.nvd.nist.gov
72
cve
2015-8952
linux kernel
ext2
ext4
filesystem
xattr
block caching
denial of service
soft lockup

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

5.5 Medium

AI Score

Confidence

High

2.1 Low

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:L/AC:L/Au:N/C:N/I:N/A:P

0.0004 Low

EPSS

Percentile

9.3%

JSON

The mbcache feature in the ext2 and ext4 filesystem implementations in the Linux kernel before 4.6 mishandles xattr block caching, which allows local users to cause a denial of service (soft lockup) via filesystem operations in environments that use many attributes, as demonstrated by Ceph and Samba.

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5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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5.5 Medium

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High

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LOCAL

Access Complexity

LOW

Authentication

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Confidentiality Impact

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Integrity Impact

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Availability Impact

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0.0004 Low

EPSS

Percentile

9.3%

JSON
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