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.
Published: 2018-03-08
Score: 5.5 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-1369-1 linux security update
Debian DSA Debian DSA DSA-4187-1 linux security update
Debian DSA Debian DSA DSA-4188-1 linux security update
EUVD EUVD EUVD-2018-19469 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.
Ubuntu USN Ubuntu USN USN-3654-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3654-2 Linux kernel (Xenial HWE) vulnerabilities
Ubuntu USN Ubuntu USN USN-3656-1 Linux kernel (Raspberry Pi 2, Snapdragon) vulnerabilities
Ubuntu USN Ubuntu USN USN-3697-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3697-2 Linux kernel (OEM) vulnerabilities
Ubuntu USN Ubuntu USN USN-3698-1 Linux kernel vulnerabilities
Ubuntu USN Ubuntu USN USN-3698-2 Linux kernel (Trusty HWE) vulnerabilities
History

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Subscriptions

Linux Linux Kernel
Redhat Enterprise Linux Rhel Extras Rt
cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published:

Updated: 2024-08-05T06:37:57.906Z

Reserved: 2018-03-08T00:00:00.000Z

Link: CVE-2018-7757

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2018-03-08T14:29:00.567

Modified: 2024-11-21T04:12:40.657

Link: CVE-2018-7757

cve-icon Redhat

Severity : Low

Publid Date: 2018-03-08T00:00:00Z

Links: CVE-2018-7757 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses