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ubuntucveUbuntu.comUB:CVE-2018-16597
HistorySep 21, 2018 - 12:00 a.m.

CVE-2018-16597

2018-09-2100:00:00
ubuntu.com
ubuntu.com
13

5.5 Medium

CVSS3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

HIGH

Availability Impact

NONE

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON

An issue was discovered in the Linux kernel before 4.8. Incorrect access
checking in overlayfs mounts could be used by local attackers to modify or
truncate files in the underlying filesystem.

Notes

Author Note
sbeattie according to https://bugzilla.suse.com/show_bug.cgi?id=1106512#c26 eea2fb4851e9dcbab6b991aaf47e2e024f1f55a0 is not relevant to this issue.
tyhicks Ubuntu carries an out-of-tree patch, in some Ubuntu releases, that fixes this flaw: https://git.launchpad.net/~ubuntu-kernel/ubuntu/+source/linux/+git/xenial/commit/?id=98a3740920f8f3362c1ac50598af2dc632f5051a

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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

HIGH

Availability Impact

NONE

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

4.9 Medium

CVSS2

Access Vector

LOCAL

Access Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

COMPLETE

Availability Impact

NONE

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

0.0004 Low

EPSS

Percentile

5.3%

JSON
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