CVE-2024-0582

HIGHCVSS 7.8/10EPSS 12.84%

Last modified

CVE-2024-0582 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.. EPSS estimates a 12.84% chance of exploitation in the next 30 days.

Description

A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially 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
12.84%

95.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersionsUpdate
LinuxLinux Kernel>= 6.4, < 6.6.5
LinuxLinux Kernel6.7Rc1

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2024-0582?
A memory leak flaw was found in the Linux kernel’s io_uring functionality in how a user registers a buffer ring with IORING_REGISTER_PBUF_RING, mmap() it, and then frees it. This flaw allows a local user to crash or potentially escalate their privileges on the system.
How severe is CVE-2024-0582?
CVE-2024-0582 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 12.84% probability of exploitation in the next 30 days.
How do I fix CVE-2024-0582?
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-2024-0582?

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

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Source: NVD / NIST