How severe is CVE-2022-33303?

CVE-2022-33303 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-2022-33303 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-33303?

CVE-2022-33303 primarily affects Qualcomm Wcn685x-5 Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2022-33303?

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

When was CVE-2022-33303 published?

CVE-2022-33303 was published on 2023-06-06 and last updated on 2026-06-17.

CVE-2022-33303

CVE-2022-33303 is a medium-severity vulnerability in Qualcomm Wcn685x-5 Firmware 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-400.

Key facts

Severity: Medium (CVSS 3.x base score 5.5)
EPSS exploit prediction: 0% (1st percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-400
Affected product: Qualcomm Wcn685x-5 Firmware
Published: 2023-06-06
Last modified: 2026-06-17

Description

Transient DOS due to uncontrolled resource consumption in Linux kernel when malformed messages are sent from the Gunyah Resource Manager message queue.

Frequently asked questions

What is CVE-2022-33303?: Transient DOS due to uncontrolled resource consumption in Linux kernel when malformed messages are sent from the Gunyah Resource Manager message queue.
How severe is CVE-2022-33303?: CVE-2022-33303 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-2022-33303 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (1st percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-33303?: CVE-2022-33303 primarily affects Qualcomm Wcn685x-5 Firmware. In total, 21 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2022-33303?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2022-33303 published?: CVE-2022-33303 was published on 2023-06-06 and last updated on 2026-06-17.

References

https://www.qualcomm.com/company/product-security/bulletins/june-2023-bulletin

Affected products (21)

cpe:2.3:o:qualcomm:wcn685x-5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn685x-1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn785x-1_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcn785x-5_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa6145p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa6150p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa6155p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8145p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8150p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8155p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sa8195p_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8450_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8350_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sm8350-ac_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9380_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wcd9385_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8830_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:wsa8835_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Wcn685x-5 Firmware

CVE-2023-33083 — Critical (CVSS 9.8): Memory corruption in WLAN Host while processing RRM beacon on the AP.
CVE-2023-33082 — Critical (CVSS 9.8): Memory corruption while sending an Assoc Request having BTM Query or BTM Response containing MBO IE.
CVE-2023-33045 — Critical (CVSS 9.8): Memory corruption in WLAN Firmware while parsing a NAN management frame carrying a S3 attribute.
CVE-2023-33028 — Critical (CVSS 9.8): Memory corruption in WLAN Firmware while doing a memory copy of pmk cache.
CVE-2022-33288 — Critical (CVSS 9.3): Memory corruption due to buffer copy without checking the size of input in Core while sending SCM command to get write…
CVE-2022-33269 — Critical (CVSS 9.3): Memory corruption due to integer overflow or wraparound in Core while DDR memory assignment.

All CVEs affecting Qualcomm Wcn685x-5 Firmware →

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