Use After Free in Linux Kernel
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.
Vulnerability class: Use-After-Free
EPSS: 0.128 (95.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- secalert@redhat.com (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
- secalert@redhat.com (Mailing List, Issue Tracking)
- secalert@redhat.com (x_refsource_REDHAT, issue-tracking, Patch, Third Party Advisory, Issue Tracking)
- secalert@redhat.com (Patch, Mailing List)
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2024-0582?
- CVE-2024-0582 is a high-severity vulnerability in Linux Kernel, classified under Use After Free. CVSS score: 7.8/10. Published 2024-01-16.
- How severe is CVE-2024-0582?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2024-0582 known to be exploited?
- 39 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.