CVE-2023-43513 | Use of Out-of-range Pointer Offset in PCIe

Memory corruption while processing the event ring, the context read pointer is untrusted to HLOS and when it is passed with arbitrary values, may point to address in the middle of ring element.

Published: 2024-02-06 Last update: 2026-06-17 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2023-43513 is rated Low Risk (37/100): CVSS High severity, with low exploitation likelihood (EPSS 0.05%). Mandatory action: Monitor for updates and reassess as exploit intelligence or EPSS changes.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-43513

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-11-21 0.04% 0.05% +0.01%
2 2025-11-18 0.05% 0.04% -0.01%
3 2025-04-15 0.05%

Full EPSS history (6 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-43513

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.8 3.1 HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:L)
A normal user session is enough; they don’t have to be admin.
User interaction (UI:N)
Nobody has to click “OK” or open a trap file; it can work without a victim helping.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:H)
Serious risk that confidential data gets exposed in a big way.
Integrity (I:H)
They could widely tamper with or forge data—trust in the data is badly hurt.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
1.8 5.9 [email protected]

Weakness enumeration for CVE-2023-43513

Affected software / configurations for CVE-2023-43513

Vendor Product Version Raw CPE
qualcomm 315_5g_iot_modem_firmware cpe:2.3:o:qualcomm:315_5g_iot_modem_firmware:-:*:*:*:*:*:*:*
qualcomm apq8017_firmware cpe:2.3:o:qualcomm:apq8017_firmware:-:*:*:*:*:*:*:*
qualcomm aqt1000_firmware cpe:2.3:o:qualcomm:aqt1000_firmware:-:*:*:*:*:*:*:*
qualcomm ar8031_firmware cpe:2.3:o:qualcomm:ar8031_firmware:-:*:*:*:*:*:*:*
qualcomm ar8035_firmware cpe:2.3:o:qualcomm:ar8035_firmware:-:*:*:*:*:*:*:*
qualcomm c-v2x_9150_firmware cpe:2.3:o:qualcomm:c-v2x_9150_firmware:-:*:*:*:*:*:*:*
qualcomm csra6620_firmware cpe:2.3:o:qualcomm:csra6620_firmware:-:*:*:*:*:*:*:*
qualcomm csra6640_firmware cpe:2.3:o:qualcomm:csra6640_firmware:-:*:*:*:*:*:*:*
qualcomm csrb31024_firmware cpe:2.3:o:qualcomm:csrb31024_firmware:-:*:*:*:*:*:*:*
qualcomm fastconnect_6200_firmware cpe:2.3:o:qualcomm:fastconnect_6200_firmware:-:*:*:*:*:*:*:*
qualcomm fastconnect_6700_firmware cpe:2.3:o:qualcomm:fastconnect_6700_firmware:-:*:*:*:*:*:*:*
qualcomm fastconnect_6800_firmware cpe:2.3:o:qualcomm:fastconnect_6800_firmware:-:*:*:*:*:*:*:*
qualcomm fastconnect_6900_firmware cpe:2.3:o:qualcomm:fastconnect_6900_firmware:-:*:*:*:*:*:*:*
qualcomm fastconnect_7800_firmware cpe:2.3:o:qualcomm:fastconnect_7800_firmware:-:*:*:*:*:*:*:*
qualcomm flight_rb5_5g_platform_firmware cpe:2.3:o:qualcomm:flight_rb5_5g_platform_firmware:-:*:*:*:*:*:*:*
qualcomm fsm20055_firmware cpe:2.3:o:qualcomm:fsm20055_firmware:-:*:*:*:*:*:*:*
qualcomm fsm20056_firmware cpe:2.3:o:qualcomm:fsm20056_firmware:-:*:*:*:*:*:*:*
qualcomm immersive_home_214_platform_firmware cpe:2.3:o:qualcomm:immersive_home_214_platform_firmware:-:*:*:*:*:*:*:*
qualcomm immersive_home_216_platform_firmware cpe:2.3:o:qualcomm:immersive_home_216_platform_firmware:-:*:*:*:*:*:*:*
qualcomm immersive_home_316_platform_firmware cpe:2.3:o:qualcomm:immersive_home_316_platform_firmware:-:*:*:*:*:*:*:*
qualcomm immersive_home_318_platform_firmware cpe:2.3:o:qualcomm:immersive_home_318_platform_firmware:-:*:*:*:*:*:*:*
qualcomm immersive_home_3210_platform_firmware cpe:2.3:o:qualcomm:immersive_home_3210_platform_firmware:-:*:*:*:*:*:*:*
qualcomm immersive_home_326_platform_firmware cpe:2.3:o:qualcomm:immersive_home_326_platform_firmware:-:*:*:*:*:*:*:*
qualcomm ipq5010_firmware cpe:2.3:o:qualcomm:ipq5010_firmware:-:*:*:*:*:*:*:*
qualcomm ipq6018_firmware cpe:2.3:o:qualcomm:ipq6018_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8074a_firmware cpe:2.3:o:qualcomm:ipq8074a_firmware:-:*:*:*:*:*:*:*
qualcomm ipq8174_firmware cpe:2.3:o:qualcomm:ipq8174_firmware:-:*:*:*:*:*:*:*
qualcomm ipq9574_firmware cpe:2.3:o:qualcomm:ipq9574_firmware:-:*:*:*:*:*:*:*
qualcomm mdm9628_firmware cpe:2.3:o:qualcomm:mdm9628_firmware:-:*:*:*:*:*:*:*
qualcomm qam8255p_firmware cpe:2.3:o:qualcomm:qam8255p_firmware:-:*:*:*:*:*:*:*
qualcomm qam8295p_firmware cpe:2.3:o:qualcomm:qam8295p_firmware:-:*:*:*:*:*:*:*
qualcomm qam8650p_firmware cpe:2.3:o:qualcomm:qam8650p_firmware:-:*:*:*:*:*:*:*
qualcomm qam8775p_firmware cpe:2.3:o:qualcomm:qam8775p_firmware:-:*:*:*:*:*:*:*
qualcomm qamsrv1h_firmware cpe:2.3:o:qualcomm:qamsrv1h_firmware:-:*:*:*:*:*:*:*
qualcomm qamsrv1m_firmware cpe:2.3:o:qualcomm:qamsrv1m_firmware:-:*:*:*:*:*:*:*
qualcomm qca4024_firmware cpe:2.3:o:qualcomm:qca4024_firmware:-:*:*:*:*:*:*:*
qualcomm qca6174a_firmware cpe:2.3:o:qualcomm:qca6174a_firmware:-:*:*:*:*:*:*:*
qualcomm qca6310_firmware cpe:2.3:o:qualcomm:qca6310_firmware:-:*:*:*:*:*:*:*
qualcomm qca6335_firmware cpe:2.3:o:qualcomm:qca6335_firmware:-:*:*:*:*:*:*:*
qualcomm qca6391_firmware cpe:2.3:o:qualcomm:qca6391_firmware:-:*:*:*:*:*:*:*
qualcomm qca6420_firmware cpe:2.3:o:qualcomm:qca6420_firmware:-:*:*:*:*:*:*:*
qualcomm qca6421_firmware cpe:2.3:o:qualcomm:qca6421_firmware:-:*:*:*:*:*:*:*
qualcomm qca6426_firmware cpe:2.3:o:qualcomm:qca6426_firmware:-:*:*:*:*:*:*:*
qualcomm qca6430_firmware cpe:2.3:o:qualcomm:qca6430_firmware:-:*:*:*:*:*:*:*
qualcomm qca6431_firmware cpe:2.3:o:qualcomm:qca6431_firmware:-:*:*:*:*:*:*:*
qualcomm qca6436_firmware cpe:2.3:o:qualcomm:qca6436_firmware:-:*:*:*:*:*:*:*
qualcomm qca6564a_firmware cpe:2.3:o:qualcomm:qca6564a_firmware:-:*:*:*:*:*:*:*
qualcomm qca6564au_firmware cpe:2.3:o:qualcomm:qca6564au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574_firmware cpe:2.3:o:qualcomm:qca6574_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574a_firmware cpe:2.3:o:qualcomm:qca6574a_firmware:-:*:*:*:*:*:*:*
qualcomm qca6574au_firmware cpe:2.3:o:qualcomm:qca6574au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6584au_firmware cpe:2.3:o:qualcomm:qca6584au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6595_firmware cpe:2.3:o:qualcomm:qca6595_firmware:-:*:*:*:*:*:*:*
qualcomm qca6595au_firmware cpe:2.3:o:qualcomm:qca6595au_firmware:-:*:*:*:*:*:*:*
qualcomm qca6688aq_firmware cpe:2.3:o:qualcomm:qca6688aq_firmware:-:*:*:*:*:*:*:*
qualcomm qca6696_firmware cpe:2.3:o:qualcomm:qca6696_firmware:-:*:*:*:*:*:*:*
qualcomm qca6698aq_firmware cpe:2.3:o:qualcomm:qca6698aq_firmware:-:*:*:*:*:*:*:*
qualcomm qca6797aq_firmware cpe:2.3:o:qualcomm:qca6797aq_firmware:-:*:*:*:*:*:*:*
qualcomm qca8072_firmware cpe:2.3:o:qualcomm:qca8072_firmware:-:*:*:*:*:*:*:*
qualcomm qca8075_firmware cpe:2.3:o:qualcomm:qca8075_firmware:-:*:*:*:*:*:*:*
qualcomm qca8081_firmware cpe:2.3:o:qualcomm:qca8081_firmware:-:*:*:*:*:*:*:*
qualcomm qca8337_firmware cpe:2.3:o:qualcomm:qca8337_firmware:-:*:*:*:*:*:*:*
qualcomm qca9377_firmware cpe:2.3:o:qualcomm:qca9377_firmware:-:*:*:*:*:*:*:*
qualcomm qcc710_firmware cpe:2.3:o:qualcomm:qcc710_firmware:-:*:*:*:*:*:*:*
qualcomm qcm2290_firmware cpe:2.3:o:qualcomm:qcm2290_firmware:-:*:*:*:*:*:*:*
qualcomm qcm4290_firmware cpe:2.3:o:qualcomm:qcm4290_firmware:-:*:*:*:*:*:*:*
qualcomm qcm4325_firmware cpe:2.3:o:qualcomm:qcm4325_firmware:-:*:*:*:*:*:*:*
qualcomm qcm4490_firmware cpe:2.3:o:qualcomm:qcm4490_firmware:-:*:*:*:*:*:*:*
qualcomm qcm6125_firmware cpe:2.3:o:qualcomm:qcm6125_firmware:-:*:*:*:*:*:*:*
qualcomm qcm6490_firmware cpe:2.3:o:qualcomm:qcm6490_firmware:-:*:*:*:*:*:*:*
qualcomm qcm8550_firmware cpe:2.3:o:qualcomm:qcm8550_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5022_firmware cpe:2.3:o:qualcomm:qcn5022_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5024_firmware cpe:2.3:o:qualcomm:qcn5024_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5052_firmware cpe:2.3:o:qualcomm:qcn5052_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5054_firmware cpe:2.3:o:qualcomm:qcn5054_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5122_firmware cpe:2.3:o:qualcomm:qcn5122_firmware:-:*:*:*:*:*:*:*
qualcomm qcn5152_firmware cpe:2.3:o:qualcomm:qcn5152_firmware:-:*:*:*:*:*:*:*
qualcomm qcn6024_firmware cpe:2.3:o:qualcomm:qcn6024_firmware:-:*:*:*:*:*:*:*
qualcomm qcn6224_firmware cpe:2.3:o:qualcomm:qcn6224_firmware:-:*:*:*:*:*:*:*
qualcomm qcn6274_firmware cpe:2.3:o:qualcomm:qcn6274_firmware:-:*:*:*:*:*:*:*

References for CVE-2023-43513

cvelogic Threat Intelligence