CVE-2024-0582
highA 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…
Vendor / product: 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.
CVSS
7.8
7.8 (CVSS v3.1)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2024-01-16 15:15
Modified: 2026-11-04 21:17
NVD status: Modified
Last synced 4 hours ago
Verified against the source API 2026-11-04 21:37 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
linux / linux_kernel ≥6.4 <6.6.5, 6.7
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
Patch / mitigation: https://bugzilla.redhat.com/show_bug.cgi?id=2254050
Patch / mitigation: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d
Patch / mitigation: https://bugzilla.redhat.com/show_bug.cgi?id=2254050
References
- https://access.redhat.com/security/cve/CVE-2024-0582 secalert@redhat.com
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2504 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2254050 secalert@redhat.com
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8ec... secalert@redhat.com
- http://www.openwall.com/lists/oss-security/2024/04/24/3 af854a3a-2127-422b-91ae-364da2661108
- https://access.redhat.com/security/cve/CVE-2024-0582 af854a3a-2127-422b-91ae-364da2661108
- https://bugs.chromium.org/p/project-zero/issues/detail?id=2504 af854a3a-2127-422b-91ae-364da2661108
- https://bugzilla.redhat.com/show_bug.cgi?id=2254050 af854a3a-2127-422b-91ae-364da2661108
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8ec... af854a3a-2127-422b-91ae-364da2661108
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 21:37 UTC · record ↗