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CVE-2023-52506

5.5 · MEDIUM

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Set all reserved memblocks on Node#0 at initialization After commit 61167ad5fecdea ("mm: pass nid to reserve_bootmem…

Published Mar 2, 2024CWE-476EPSS 0.22%

Overview

CVE-2023-52506 is a medium-severity vulnerability. It was published on March 2, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical description

In the Linux kernel, the following vulnerability has been resolved:

LoongArch: Set all reserved memblocks on Node#0 at initialization

After commit 61167ad5fecdea ("mm: pass nid to reserve_bootmem_region()")

we get a panic if DEFERRED_STRUCT_PAGE_INIT is enabled:

[ 0.000000] CPU 0 Unable to handle kernel paging request at virtual address 0000000000002b82, era == 90000000040e3f28, ra == 90000000040e3f18

[ 0.000000] Oops[#1]:

[ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 6.5.0+ #733

[ 0.000000] pc 90000000040e3f28 ra 90000000040e3f18 tp 90000000046f4000 sp 90000000046f7c90

[ 0.000000] a0 0000000000000001 a1 0000000000200000 a2 0000000000000040 a3 90000000046f7ca0

[ 0.000000] a4 90000000046f7ca4 a5 0000000000000000 a6 90000000046f7c38 a7 0000000000000000

[ 0.000000] t0 0000000000000002 t1 9000000004b00ac8 t2 90000000040e3f18 t3 90000000040f0800

[ 0.000000] t4 00000000000f0000 t5 80000000ffffe07e t6 0000000000000003 t7 900000047fff5e20

[ 0.000000] t8 aaaa

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refgit.kernel.org/stable/c/19878758accf6b2788091a771d9f9fee7bab11abRefgit.kernel.org/stable/c/b795fb9f5861ee256070d59e33130980a01fadd7Refgit.kernel.org/stable/c/19878758accf6b2788091a771d9f9fee7bab11abRefgit.kernel.org/stable/c/b795fb9f5861ee256070d59e33130980a01fadd7Refgit.kernel.org/stable/c/f105e893a8edd48bdf4bef9fef845a9ff402f737

How CyberStrike helps

Frequently asked questions

What is CVE-2023-52506?

CVE-2023-52506 is a medium-severity vulnerability. It was published on March 2, 2024 and has a CVSS 3.1 base score of 5.5 (MEDIUM).

How severe is CVE-2023-52506?

This vulnerability has a CVSS 3.1 base score of 5.5, rated MEDIUM. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2023-52506?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2023-52506?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2023-52506 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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