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CVE-2024-0582

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Date: January 16, 2024

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.

Language: C

Severity Score

Related Resources (7)

https://bugs.chromium.org/p/project-zero/issues/detail?id=2504
https://access.redhat.com/security/cve/CVE-2024-0582
https://nvd.nist.gov/vuln/detail/CVE-2024-0582
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=c392cbecd8eca4c53f2bf508731257d9d0a21c2d
https://bugzilla.redhat.com/show_bug.cgi?id=2254050
http://www.openwall.com/lists/oss-security/2024/04/24/3
https://www.mend.io/vulnerability-database/CVE-2024-0582

Severity Score

Weakness Type (CWE)

Use After Free

CWE-416

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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