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Vulnerability record · CVE-2024-0582 · published 16 January 2024

CVE-2024-0582: Linux kernel use after free vulnerability

Linux · Linux Kernel

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.

7.8 CVSS 3.1 High EPSS 13% · top 3.8% CWE-416 · Use after free
7.8CVSS 3.1 base score
13%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
9References
17 Jun 2026Last modified by NVD

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.

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://access.redhat.com/security/cve/CVE-2024-0582 Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=2504 Issue TrackingMailing List
https://bugzilla.redhat.com/show_bug.cgi?id=2254050 Issue TrackingPatchThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d Mailing ListPatch
http://www.openwall.com/lists/oss-security/2024/04/24/3
https://access.redhat.com/security/cve/CVE-2024-0582 Third Party Advisory
https://bugs.chromium.org/p/project-zero/issues/detail?id=2504 Issue TrackingMailing List
https://bugzilla.redhat.com/show_bug.cgi?id=2254050 Issue TrackingPatchThird Party Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d Mailing ListPatch

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Source: NIST National Vulnerability Database (record CVE-2024-0582), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.