CVE-2024-0582

high

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.

References

https://bugzilla.redhat.com/show_bug.cgi?id=2254050

https://access.redhat.com/security/cve/CVE-2024-0582

https://securelist.com/vulnerabilities-and-exploits-in-q4-2024/115761/

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d

https://bugs.chromium.org/p/project-zero/issues/detail?id=2504

Details

Source: Mitre, NVD

Published: 2024-01-16

Updated: 2024-09-23

Risk Information

CVSS v2

Base Score: 6.8

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

Severity: Medium

CVSS v3

Base Score: 7.8

Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.12836