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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.128 (96.2th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 96th percentile — 96.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.128 · newest: 0.128 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- access.redhat.com/security/cve/CVE-2024-0582 (Third Party Advisory, vdb-entry)
- bugs.chromium.org/p/project-zero/issues/detail (Mailing List, Issue Tracking)
- bugzilla.redhat.com/show_bug.cgi (issue-tracking, Patch, Third Party Advisory, Issue Tracking)
- git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/ (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.