{"id":"CVE-2023-28577","url":"https://www.cyber-defence.io/tools/cve/CVE-2023-28577","generatedAt":"2026-10-28T00:51:24.141Z","title":"In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used.","description":"In the function call related to CAM_REQ_MGR_RELEASE_BUF there is no check if the buffer is being used. So when a function called cam_mem_get_cpu_buf to get the kernel va to use, another thread can call CAM_REQ_MGR_RELEASE_BUF to unmap the kernel va which cause UAF of the kernel address.","published":"2023-08-08T10:15:15.000Z","lastModified":"2026-06-17T05:48:15.000Z","status":"Modified","sourceIdentifier":"product-security@qualcomm.com","cvss":{"version":"3.1","score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-416"],"affected":["qualcomm/fastconnect 6800 firmware","qualcomm/fastconnect 6900 firmware","qualcomm/fastconnect 7800 firmware","qualcomm/qca6391 firmware","qualcomm/qca6426 firmware","qualcomm/qca6436 firmware","qualcomm/qcn9074 firmware","qualcomm/qcs410 firmware","qualcomm/qcs610 firmware","qualcomm/sd865 5g firmware","qualcomm/snapdragon 8 gen 1 firmware","qualcomm/snapdragon 865 5g firmware","qualcomm/snapdragon 865\\+ 5g firmware","qualcomm/snapdragon 870 5g firmware","qualcomm/snapdragon x55 5g firmware","qualcomm/snapdragon xr2 5g firmware","qualcomm/sw5100 firmware","qualcomm/sw5100p firmware","qualcomm/sxr2130 firmware","qualcomm/wcd9341 firmware","qualcomm/wcd9370 firmware","qualcomm/wcd9380 firmware","qualcomm/wcn3660b firmware","qualcomm/wcn3680b firmware","qualcomm/wcn3950 firmware","qualcomm/wcn3980 firmware","qualcomm/wcn3988 firmware","qualcomm/wsa8810 firmware","qualcomm/wsa8815 firmware","qualcomm/wsa8830 firmware","qualcomm/wsa8835 firmware"],"epss":{"score":0.00122,"percentile":0.0193,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.12%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin","tags":["Patch","Vendor Advisory"],"source":"product-security@qualcomm.com"},{"url":"https://www.qualcomm.com/company/product-security/bulletins/august-2023-bulletin","tags":["Patch","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-28577","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}