CVE-2024-0582
Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap
- State
- Published
- Severity
- 7.8 High
- Published
- Jan 16, 2024
- Updated
- Nov 20, 2025
- Reserved
- Jan 16, 2024
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
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 7.8 High | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H | redhat |
Weaknesses
- CWE-416 Use After Free
Affected Products
| Product | Versions |
|---|---|
kernel |
|
Red Hat Enterprise Linux 6Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 7Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 8Red Hat | |
Red Hat Enterprise Linux 9Red Hat | |
Red Hat Enterprise Linux 9Red Hat |
References
- https://access.redhat.com/security/cve/CVE-2024-0582vdb-entry
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2504
- RHBZ#2254050issue-tracking
- 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
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