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CVE-2023-1249

Good to know:

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Date: March 23, 2023

A use-after-free flaw was found in the Linux kernel’s core dump subsystem. This flaw allows a local user to crash the system. Only if patch 390031c94211 ("coredump: Use the vma snapshot in fill_files_note") not applied yet, then kernel could be affected.

Language: C

Severity Score

Related Resources (7)

https://access.redhat.com/security/cve/CVE-2023-1249
http://packetstormsecurity.com/files/171912/CentOS-Stream-9-Missing-Kernel-Security-Fix.html
https://nvd.nist.gov/vuln/detail/CVE-2023-1249
https://security-tracker.debian.org/tracker/CVE-2023-1249
https://patchwork.kernel.org/project/linux-fsdevel/patch/87iltzn3nd.fsf_-_@email.froward.int.ebiederm.org/
https://people.canonical.com/~ubuntu-security/cve/CVE-2023-1249
https://www.mend.io/vulnerability-database/CVE-2023-1249

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): NONE
Integrity (I): NONE
Availability (A): HIGH

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