How severe is CVE-2023-53226?

CVE-2023-53226 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2023-53226 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-53226?

CVE-2023-53226 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-53226?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2023-53226 have an EU (EUVD) identifier?

Yes. CVE-2023-53226 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59858.

When was CVE-2023-53226 published?

CVE-2023-53226 was published on 2025-09-15 and last updated on 2026-06-17.

CVE-2023-53226

CVE-2023-53226 is a medium-severity vulnerability in Linux Linux Kernel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-191.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (5th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59858
Weakness: CWE-191
Affected product: Linux Linux Kernel
Published: 2025-09-15
Last modified: 2026-06-17

Description

In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet, mwifiex_uap_queue_bridged_pkt and mwifiex_process_rx_packet not out-of-bounds access the skb->data buffer.

Frequently asked questions

What is CVE-2023-53226?: In the Linux kernel, the following vulnerability has been resolved: wifi: mwifiex: Fix OOB and integer underflow when rx packets Make sure mwifiex_process_mgmt_packet, mwifiex_process_sta_rx_packet and mwifiex_process_uap_rx_packet, mwifiex_uap_queue_bridged_pkt and mwifiex_process_rx_packet not out-of-bounds access the skb->data buffer.
How severe is CVE-2023-53226?: CVE-2023-53226 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2023-53226 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (5th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-53226?: CVE-2023-53226 affects Linux Linux Kernel. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-53226?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-53226 have an EU (EUVD) identifier?: Yes. CVE-2023-53226 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59858.
When was CVE-2023-53226 published?: CVE-2023-53226 was published on 2025-09-15 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

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