What is CVE-2023-53361?

CVE-2023-53361 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-09-17.

How severe is CVE-2023-53361?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2023-53361 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Linux

CVE-2023-53361

In the Linux kernel, the following vulnerability has been resolved: LoongArch: mm: Add p?d_leaf() definitions When I do LTP test, LTP test case ksm06 caused panic at break_ksm_pmd_entry -> pmd_leaf (Huge page table but False) -> pte_present (panic) The reason is pmd_leaf() is not defined, So like commit 501b81046701 ("mips: mm: add p?d_leaf() definitions") add p?d_leaf() definition for LoongArch.

EPSS: 0.002 (6.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

Linux — versions 09cfefb7fa70c3af011b0db0a513fd80b2f18abc, 5.19, 0
Linux Linux_kernel

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)
416baaa9-dc9f-4396-8d5f-8c081fb06d67 (Patch)

Frequently asked questions

What is CVE-2023-53361?: CVE-2023-53361 is a medium-severity vulnerability in Linux. CVSS score: 5.5/10. Published 2025-09-17.
How severe is CVE-2023-53361?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2023-53361 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.