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CVE-2018-7757

UnknownEPSS 0.56%

Last modified

CVE-2018-7757 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

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

EPSS Probability
0.56%

42.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel<= 4.15.7

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2018-7757?
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.
How severe is CVE-2018-7757?
Severity scoring for CVE-2018-7757 is pending analysis. The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.
How do I fix CVE-2018-7757?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST