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CVE-2023-2008

HIGHCVSS 8.2/10EPSS 1.01%

Last modified

CVE-2023-2008 is a high-severity vulnerability rated 8.2/10 on the CVSS scale. A flaw was found in the Linux kernel's udmabuf device driver, within a fault handler. This issue occurs due to the lack of proper validation of user-supplied data, which can result in memory access past the end of an array. EPSS estimates a 1.01% chance of exploitation in the next 30 days.

Description

A flaw was found in the Linux kernel's udmabuf device driver, within a fault handler. This issue occurs due to the lack of proper validation of user-supplied data, which can result in memory access past the end of an array. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.

Metrics

CVSS 3.1
8.2/10

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

EPSS Probability
1.01%

60.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
LinuxLinux Kernel< 5.19
LinuxLinux Kernel>= 4.20, < 5.4.202
LinuxLinux Kernel>= 5.5, < 5.10.127
LinuxLinux Kernel>= 5.11, < 5.15.51
LinuxLinux Kernel>= 5.16, < 5.18.8
LinuxLinux Kernel5.19

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-2008?
A flaw was found in the Linux kernel's udmabuf device driver, within a fault handler. This issue occurs due to the lack of proper validation of user-supplied data, which can result in memory access past the end of an array. This may allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel.
How severe is CVE-2023-2008?
CVE-2023-2008 has a CVSS score of 8.2/10 (HIGH severity). The EPSS model estimates a 1.01% probability of exploitation in the next 30 days.
How do I fix CVE-2023-2008?
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.

How Strix Helps

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Source: NVD / NIST