CVE-2024-0582: high-severity vulnerability in kernel
Kernel: io_uring: page use-after-free vulnerability via buffer ring mmap
Published · Updated
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68Vexday Risk Score
Prioritize patching. It exploitation observed by VulnCheck and has a public proof of concept.
ssvc Actcvss 7.8epss 13%
from disclosure to weapon73 days
Published on NVDJan 16
1st PoC+73d
VulnCheck+407d
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
kernelRed Hat · Red Hat Enterprise Linux 6Red Hat · Red Hat Enterprise Linux 7Red Hat · Red Hat Enterprise Linux 8Red Hat · Red Hat Enterprise Linux 9public PoCs found — 8
vulncheckvulncheck.com/xdb/494d2265863funverifiedvulncheckvulncheck.com/xdb/3310aa824bc4unverifiedvulncheckvulncheck.com/xdb/ec7832b63942unverifiedvulncheckvulncheck.com/xdb/3c50fe9f072cunverifiedvulncheckvulncheck.com/xdb/a072578b3a49unverifiedvulncheckvulncheck.com/xdb/bfb1c1ee8b94unverifiedvulncheckvulncheck.com/xdb/a6f992529075unverifiedvulncheckvulncheck.com/xdb/9734054a5048unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
Related CVEs — kernel
In the same product, most dangerous first.
CVE-2023-4911HIGHGlibc: buffer overflow in ld.so leading to privilege escalationEPSS 63.8%KEVCVE-2024-6387HIGHOpenssh: regresshion - race condition in ssh allows rce/dosEPSS 99.5%CVE-2024-3094CRITICALXz: malicious code in distributed sourceEPSS 90.9%CVE-2023-46847HIGHSquid: denial of service in http digest authenticationEPSS 78.5%CVE-2024-12084CRITICALRsync: heap buffer overflow in rsync due to improper checksum length handlingEPSS 72.5%CVE-2023-1183MEDIUMArbitrary file writeEPSS 64.9%
References
https://access.redhat.com/security/cve/CVE-2024-0582https://bugs.chromium.org/p/project-zero/issues/detail?id=2504https://bugzilla.redhat.com/show_bug.cgi?id=2254050https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2dhttp://www.openwall.com/lists/oss-security/2024/04/24/3