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MEDIUM · 4.4

CVE-2020-27835

A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash ...

Vulnerability Description

A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash the system.

CVSS Score

4.4

MEDIUM

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH

Affected Products

VendorProductVersions
LinuxInfiniband Hfi1 Driver<= 5.9

Related Weaknesses (CWE)

CWE-416

References

FAQ

What is CVE-2020-27835?

CVE-2020-27835 is a vulnerability with a CVSS score of 4.4 (MEDIUM). A use after free in the Linux kernel infiniband hfi1 driver in versions prior to 5.10-rc6 was found in the way user calls Ioctl after open dev file and fork. A local user could use this flaw to crash ...

How severe is CVE-2020-27835?

CVE-2020-27835 has been rated MEDIUM with a CVSS base score of 4.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2020-27835?

Check the references section above for vendor advisories and patch information. Affected products include: Linux Infiniband Hfi1 Driver.