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ubuntucveUbuntu.comUB:CVE-2018-7757
HistoryMar 08, 2018 - 12:00 a.m.

CVE-2018-7757

2018-03-0800:00:00
ubuntu.com
ubuntu.com
42

CVSS2

2.1

Attack Vector

LOCAL

Attack 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

CVSS3

5.5

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

EPSS

0

Percentile

10.1%

Memory leak in the sas_smp_get_phy_events function in
drivers/scsi/libsas/sas_expander.c in the Linux kernel through 4.15.7
allows local users to cause a denial of service (memory consumption) via
many read accesses to files in the /sys/class/sas_phy directory, as
demonstrated by the /sys/class/sas_phy/phy-1:0:12/invalid_dword_count file.

OSVersionArchitecturePackageVersionFilename
ubuntu17.10noarchlinux< 4.13.0-46.51UNKNOWN
ubuntu14.04noarchlinux< 3.13.0-153.203UNKNOWN
ubuntu16.04noarchlinux< 4.4.0-127.153UNKNOWN
ubuntu14.04noarchlinux-aws< 4.4.0-1022.22UNKNOWN
ubuntu16.04noarchlinux-aws< 4.4.0-1060.69UNKNOWN
ubuntu16.04noarchlinux-azure< 4.15.0-1013.13~16.04.2UNKNOWN
ubuntu16.04noarchlinux-gcp< 4.15.0-1014.14~16.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe< 4.15.0-24.26~16.04.1UNKNOWN
ubuntu18.04noarchlinux-hwe-edge< 4.18.0-8.9~18.04.1UNKNOWN
ubuntu16.04noarchlinux-hwe-edge< 4.15.0-24.26~16.04.1UNKNOWN
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CVSS2

2.1

Attack Vector

LOCAL

Attack 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

CVSS3

5.5

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

EPSS

0

Percentile

10.1%