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CVE-2022-0500

HIGHCVSS 7.8/10EPSS 0.35%

Last modified

CVE-2022-0500 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.

Metrics

CVSS 3.1
7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability
0.35%

26.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel>= 5.10, < 5.15.37
LinuxLinux Kernel>= 5.16, < 5.16.11
FedoraprojectFedora34
FedoraprojectFedora35
NetappH300e FirmwareAll versions
NetappH300s FirmwareAll versions
NetappH410c FirmwareAll versions
NetappH410s FirmwareAll versions
NetappH500e FirmwareAll versions
NetappH500s FirmwareAll versions
NetappH700e FirmwareAll versions
NetappH700s FirmwareAll versions

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2022-0500?
A flaw was found in unrestricted eBPF usage by the BPF_BTF_LOAD, leading to a possible out-of-bounds memory write in the Linux kernel’s BPF subsystem due to the way a user loads BTF. This flaw allows a local user to crash or escalate their privileges on the system.
How severe is CVE-2022-0500?
CVE-2022-0500 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2022-0500?
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.

Are you affected by CVE-2022-0500?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST