CVE-2025-21456

Memory corruption while processing IOCTL command when multiple threads are called to map/unmap buffer concurrently. It has a CVSS v3.1 base score of 7.8 (HIGH).

CVE-2025-21456 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

CVE-2025-21456 affects products from qualcomm, specifically: ar8035, ar8035_firmware, c-v2x_9150, c-v2x_9150_firmware, fastconnect_6900, fastconnect_6900_firmware, fastconnect_7800, fastconnect_7800_firmware, qam8255p, qam8255p_firmware, qam8295p, qam8295p_firmware, qam8650p, qam8650p_firmware, qam8775p, qam8775p_firmware, qca6174a, qca6174a_firmware, qca6574au, qca6574au_firmware, qca6584au, qca6584au_firmware, qca6696, qca6696_firmware, qca6698aq, qca6698aq_firmware, qca6797aq, qca6797aq_firmware, qca8081, qca8081_firmware, qca8337, qca8337_firmware, qcc710, qcc710_firmware, qcn6224, qcn6224_firmware, qcn6274, qcn6274_firmware, qcs410, qcs410_firmware, qcs610, qcs610_firmware, qfw7114, qfw7114_firmware, qfw7124, qfw7124_firmware, sa6145p, sa6145p_firmware, sa6150p, sa6150p_firmware, sa6155p, sa6155p_firmware, sa7255p, sa7255p_firmware, sa7775p, sa7775p_firmware, sa8145p, sa8145p_firmware, sa8150p, sa8150p_firmware, sa8155p, sa8155p_firmware, sa8195p, sa8195p_firmware, sa8255p, sa8255p_firmware, sa8295p, sa8295p_firmware, sa8530p, sa8530p_firmware, sa8540p, sa8540p_firmware, sa8620p, sa8620p_firmware, sa8650p, sa8650p_firmware, sa8775p, sa8775p_firmware, sa9000p, sa9000p_firmware, snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\), snapdragon_888\+_5g_mobile_platform_\(sm8350-ac\)_firmware, snapdragon_888_5g_mobile_platform, snapdragon_888_5g_mobile_platform_firmware, snapdragon_auto_5g_modem-rf_gen_2, snapdragon_auto_5g_modem-rf_gen_2_firmware, snapdragon_w5\+_gen_1_wearable_platform, snapdragon_w5\+_gen_1_wearable_platform_firmware, snapdragon_x72_5g_modem-rf_system, snapdragon_x72_5g_modem-rf_system_firmware, snapdragon_x75_5g_modem-rf_system, snapdragon_x75_5g_modem-rf_system_firmware, sw5100, sw5100_firmware, sw5100p, sw5100p_firmware, video_collaboration_vc1_platform, video_collaboration_vc1_platform_firmware, video_collaboration_vc3_platform, video_collaboration_vc3_platform_firmware, wcd9340, wcd9340_firmware, wcd9341, wcd9341_firmware, wcd9370, wcd9370_firmware, wcd9380, wcd9380_firmware, wcd9385, wcd9385_firmware, wcn3660b, wcn3660b_firmware, wcn3680b, wcn3680b_firmware, wcn3950, wcn3950_firmware, wcn3980, wcn3980_firmware, wcn3988, wcn3988_firmware, wsa8810, wsa8810_firmware, wsa8815, wsa8815_firmware, wsa8830, wsa8830_firmware, wsa8835, wsa8835_firmware. Check the affected products table above for specific version ranges.

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.