{"id":"CVE-2026-74648","revision":"f2e9c6c3f4bd4072b20981fa3f0c611c","records":[{"revision":"f2e9c6c3f4bd4072b20981fa3f0c611c","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-74648","aliases":[],"title":"staging: rtl8723bs: validate monitor transmit frame lengths","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: validate monitor transmit frame lengths\n\nrtw_cfg80211_monitor_if_xmit_entry() removes the radiotap header and\nthen reads the 802.11 frame control field without checking that a base\n802.11 header remains.\n\nThe data path also pulls the calculated 802.11, QoS and SNAP header\nspan before confirming that the skb contains it. A truncated frame can\ntherefore cause out-of-bounds reads or leave insufficient data for the\nEthernet address writes.\n\nReject frames that do not contain the base 802.11 header and data\nframes that do not contain their complete calculated header span.","state":0,"publishedAt":"2026-08-22T15:32:24.858+00:00","modifiedAt":"2026-10-16T19:16:07.049+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"f03398d835f5249c49546f0eb0d0df6792b95d5f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"a3ac6d849de5f7abe14761d741bbb843ac793454\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"7edd3adb0c80d70b4237640275c559610f438476\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"c5e5d78743992e235b76d2ebe5a403d60315aa8a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"7b0f62d2986a28e5e4188366bc2f4e2868b14790\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"8b3e4ed9c35d3d3b64fcc23f4a1f22b37c1865b1\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"bd88f6289b7e483216a9c1df15a0460ef9b02cb6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"554c0a3abf216c991c5ebddcdb2c08689ecd290b\",\n                            \"lessThan\": \"6829665d050983907b560173e49dcc6c11cb2730\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/staging/rtl8723bs/os_dep/ioctl_cfg80211.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.12\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.265\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.216\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.183\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.152\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.104\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.45\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.1.9\",\n                            \"lessThanOrEqual\": \"7.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/f03398d835f5249c49546f0eb0d0df6792b95d5f","https://git.kernel.org/stable/c/a3ac6d849de5f7abe14761d741bbb843ac793454","https://git.kernel.org/stable/c/7edd3adb0c80d70b4237640275c559610f438476","https://git.kernel.org/stable/c/c5e5d78743992e235b76d2ebe5a403d60315aa8a","https://git.kernel.org/stable/c/7b0f62d2986a28e5e4188366bc2f4e2868b14790","https://git.kernel.org/stable/c/8b3e4ed9c35d3d3b64fcc23f4a1f22b37c1865b1","https://git.kernel.org/stable/c/bd88f6289b7e483216a9c1df15a0460ef9b02cb6","https://git.kernel.org/stable/c/6829665d050983907b560173e49dcc6c11cb2730"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-74648","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-74648","identifiers":["CVE-2026-74648"]},"retained":false,"historicalAffected":[]}],"coverage":[]}