CVE-2024-0582
Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap
At a glance
- Severity
- HIGH 7.8
- EPSS
- EPSS 12.84 % · percentile 96 (2026-10-28)
- State
- PUBLISHED
- Published
- Updated
- Assigner
- redhat
- NVD status
- Modified
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.
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | redhat |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · secalert@redhat.com (Secondary) |
| CVSS 3.1 | HIGH 7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | NVD · nvd@nist.gov (Primary) |
Weaknesses (CWE)
European references
- ENISA EUVD · EUVD-2024-16375
- GCVE · GCVE-0-2024-0582
CERT-FR advisories
- CERTFR-2024-AVI-0178 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 6.4 < 6.6.5cpe:2.3:o:linux:linux_kernel:6.7:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.7:rc2:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:6.7:rc3:*:*:*:*:*:*
Affected products
References
- https://access.redhat.com/security/cve/CVE-2024-0582
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2504
- https://bugzilla.redhat.com/show_bug.cgi?id=2254050
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d
- http://www.openwall.com/lists/oss-security/2024/04/24/3
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |