CVE-2018-7757
Detail
Modified After Enrichment
This CVE record has been updated after NVD enrichment efforts were completed. Enrichment data supplied by the NVD may require amendment due to these changes.
Description
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.
Metrics
CVSS Version 4.0
CVSS Version 3.x
CVSS Version 2.0
NVD enrichment efforts reference publicly available information to associate
vector strings. CVSS information contributed by other sources is also
displayed.
CVSS 4.0 Severity and Vector Strings:
NVD assessment
not yet provided.
CVSS 3.x Severity and Vector Strings:
Vector:
CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS 2.0 Severity and Vector Strings:
Vector:
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
References to Advisories, Solutions, and Tools
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URL
Source(s)
Tag(s)
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
CVE, MITRE
Patch
Vendor Advisory
http://www.securityfocus.com/bid/103348
CVE, MITRE
Third Party Advisory
VDB Entry
https://access.redhat.com/errata/RHSA-2018:2948
CVE, MITRE
https://access.redhat.com/errata/RHSA-2018:3083
CVE, MITRE
https://access.redhat.com/errata/RHSA-2018:3096
CVE, MITRE
https://github.com/torvalds/linux/commit/4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
CVE, MITRE
Patch
Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
CVE, MITRE
https://usn.ubuntu.com/3654-1/
CVE, MITRE
https://usn.ubuntu.com/3654-2/
CVE, MITRE
https://usn.ubuntu.com/3656-1/
CVE, MITRE
https://usn.ubuntu.com/3697-1/
CVE, MITRE
https://usn.ubuntu.com/3697-2/
CVE, MITRE
https://usn.ubuntu.com/3698-1/
CVE, MITRE
https://usn.ubuntu.com/3698-2/
CVE, MITRE
https://www.debian.org/security/2018/dsa-4187
CVE, MITRE
https://www.debian.org/security/2018/dsa-4188
CVE, MITRE
Weakness Enumeration
CWE-ID
CWE Name
Source
CWE-772
Missing Release of Resource after Effective Lifetime
NIST
Change History
13 change records found show changes
CVE Modified by MITRE
6/16/2026 10:03:39 PM
Action
Type
Old Value
New Value
Added
Affected
[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}]
CVE Modified by CVE
11/20/2024 11:12:40 PM
Action
Type
Old Value
New Value
Added
Reference
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
Added
Reference
http://www.securityfocus.com/bid/103348
Added
Reference
https://access.redhat.com/errata/RHSA-2018:2948
Added
Reference
https://access.redhat.com/errata/RHSA-2018:3083
Added
Reference
https://access.redhat.com/errata/RHSA-2018:3096
Added
Reference
https://github.com/torvalds/linux/commit/4a491b1ab11ca0556d2fda1ff1301e862a2d44c4
Added
Reference
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html
Added
Reference
https://usn.ubuntu.com/3654-1/
Added
Reference
https://usn.ubuntu.com/3654-2/
Added
Reference
https://usn.ubuntu.com/3656-1/
Added
Reference
https://usn.ubuntu.com/3697-1/
Added
Reference
https://usn.ubuntu.com/3697-2/
Added
Reference
https://usn.ubuntu.com/3698-1/
Added
Reference
https://usn.ubuntu.com/3698-2/
Added
Reference
https://www.debian.org/security/2018/dsa-4187
Added
Reference
https://www.debian.org/security/2018/dsa-4188
CVE Modified by MITRE
5/14/2024 1:26:42 AM
Action
Type
Old Value
New Value
CWE Remap by NIST
10/02/2019 8:03:26 PM
Action
Type
Old Value
New Value
Changed
CWE
CWE-399
CWE-772
CVE Modified by MITRE
10/31/2018 6:32:31 AM
Action
Type
Old Value
New Value
Added
Reference
https://access.redhat.com/errata/RHSA-2018:2948 [No Types Assigned]
Added
Reference
https://access.redhat.com/errata/RHSA-2018:3083 [No Types Assigned]
Added
Reference
https://access.redhat.com/errata/RHSA-2018:3096 [No Types Assigned]
CVE Modified by MITRE
7/12/2018 9:29:03 PM
Action
Type
Old Value
New Value
Added
Reference
https://usn.ubuntu.com/3698-1/ [No Types Assigned]
CVE Modified by MITRE
7/03/2018 9:29:05 PM
Action
Type
Old Value
New Value
Added
Reference
https://usn.ubuntu.com/3697-1/ [No Types Assigned]
Added
Reference
https://usn.ubuntu.com/3697-2/ [No Types Assigned]
Added
Reference
https://usn.ubuntu.com/3698-2/ [No Types Assigned]
CVE Modified by MITRE
5/23/2018 9:29:02 PM
Action
Type
Old Value
New Value
Added
Reference
https://usn.ubuntu.com/3656-1/ [No Types Assigned]
CVE Modified by MITRE
5/22/2018 9:29:03 PM
Action
Type
Old Value
New Value
Added
Reference
https://usn.ubuntu.com/3654-1/ [No Types Assigned]
Added
Reference
https://usn.ubuntu.com/3654-2/ [No Types Assigned]
CVE Modified by MITRE
5/03/2018 9:29:16 PM
Action
Type
Old Value
New Value
Added
Reference
https://lists.debian.org/debian-lts-announce/2018/05/msg00000.html [No Types Assigned]
CVE Modified by MITRE
5/02/2018 9:29:41 PM
Action
Type
Old Value
New Value
Added
Reference
https://www.debian.org/security/2018/dsa-4187 [No Types Assigned]
Added
Reference
https://www.debian.org/security/2018/dsa-4188 [No Types Assigned]
Initial Analysis by NIST
3/28/2018 6:14:57 PM
Action
Type
Old Value
New Value
Added
CVSS V3
AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Added
CVSS V2
(AV:L/AC:L/Au:N/C:N/I:N/A:P)
Added
CWE
CWE-399
Added
CPE Configuration
OR
*cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (including) 4.15.7
Changed
Reference Type
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 No Types Assigned
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 Patch, Vendor Advisory
Changed
Reference Type
http://www.securityfocus.com/bid/103348 No Types Assigned
http://www.securityfocus.com/bid/103348 Third Party Advisory, VDB Entry
Changed
Reference Type
https://github.com/torvalds/linux/commit/4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 No Types Assigned
https://github.com/torvalds/linux/commit/4a491b1ab11ca0556d2fda1ff1301e862a2d44c4 Patch, Third Party Advisory
CVE Modified by MITRE
3/13/2018 9:29:02 PM
Action
Type
Old Value
New Value
Added
Reference
http://www.securityfocus.com/bid/103348 [No Types Assigned]
Quick Info
CVE Dictionary Entry: CVE-2018-7757 NVD
Published Date: 03/08/2018 NVD
Last Modified: 06/16/2026
Source: MITRE