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CVE-2023-2513

Good to know:

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Date: May 8, 2023

A use-after-free vulnerability was found in the Linux kernel's ext4 filesystem in the way it handled the extra inode size for extended attributes. This flaw could allow a privileged local user to cause a system crash or other undefined behaviors.

Language: C

Severity Score

Related Resources (8)

https://nvd.nist.gov/vuln/detail/CVE-2023-2513
https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1@huawei.com/
https://lore.kernel.org/all/20220616021358.2504451-1-libaokun1%40huawei.com/
https://access.redhat.com/security/cve/CVE-2023-2513
https://github.com/torvalds/linux/commit/67d7d8ad99be
https://bugzilla.redhat.com/show_bug.cgi?id=2193097
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-2513
https://www.mend.io/vulnerability-database/CVE-2023-2513

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): HIGH
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): HIGH
Availability (A): HIGH

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