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ubuntucveUbuntu.comUB:CVE-2017-17807
HistoryDec 20, 2017 - 12:00 a.m.

CVE-2017-17807

2017-12-2000:00:00
ubuntu.com
ubuntu.com
32

CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0

Percentile

10.1%

The KEYS subsystem in the Linux kernel before 4.14.6 omitted an
access-control check when adding a key to the current task’s “default
request-key keyring” via the request_key() system call, allowing a local
user to use a sequence of crafted system calls to add keys to a keyring
with only Search permission (not Write permission) to that keyring, related
to construct_get_dest_keyring() in security/keys/request_key.c.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchlinux< 4.13.0-38.43UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-144.193UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-119.143UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1016.16UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1054.63UNKNOWN
ubuntu16.04noarchlinux-azure< 4.13.0-1014.17UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.13.0-1012.16UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.13.0-38.43~16.04.1UNKNOWN
ubuntu18.04noarchlinux-hwe-edge< 4.18.0-8.9~18.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.13.0-38.43~16.04.1UNKNOWN
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CVSS2

2.1

Attack Vector

LOCAL

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

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

CVSS3

3.3

Attack Vector

LOCAL

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

LOW

Availability Impact

NONE

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

EPSS

0

Percentile

10.1%