{"api_version":"1","generated_at":"2026-08-22T17:42:14+00:00","cve":"CVE-2026-74648","urls":{"html":"https://cve.report/CVE-2026-74648","api":"https://cve.report/api/cve/CVE-2026-74648.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-74648","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-74648"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2026-08-22 16:16:38","updated_at":"2026-08-22 16:16:38"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/f03398d835f5249c49546f0eb0d0df6792b95d5f","name":"https://git.kernel.org/stable/c/f03398d835f5249c49546f0eb0d0df6792b95d5f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bd88f6289b7e483216a9c1df15a0460ef9b02cb6","name":"https://git.kernel.org/stable/c/bd88f6289b7e483216a9c1df15a0460ef9b02cb6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7b0f62d2986a28e5e4188366bc2f4e2868b14790","name":"https://git.kernel.org/stable/c/7b0f62d2986a28e5e4188366bc2f4e2868b14790","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/7edd3adb0c80d70b4237640275c559610f438476","name":"https://git.kernel.org/stable/c/7edd3adb0c80d70b4237640275c559610f438476","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/a3ac6d849de5f7abe14761d741bbb843ac793454","name":"https://git.kernel.org/stable/c/a3ac6d849de5f7abe14761d741bbb843ac793454","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c5e5d78743992e235b76d2ebe5a403d60315aa8a","name":"https://git.kernel.org/stable/c/c5e5d78743992e235b76d2ebe5a403d60315aa8a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/6829665d050983907b560173e49dcc6c11cb2730","name":"https://git.kernel.org/stable/c/6829665d050983907b560173e49dcc6c11cb2730","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8b3e4ed9c35d3d3b64fcc23f4a1f22b37c1865b1","name":"https://git.kernel.org/stable/c/8b3e4ed9c35d3d3b64fcc23f4a1f22b37c1865b1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-74648","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-74648","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b f03398d835f5249c49546f0eb0d0df6792b95d5f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b a3ac6d849de5f7abe14761d741bbb843ac793454 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b 7edd3adb0c80d70b4237640275c559610f438476 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b c5e5d78743992e235b76d2ebe5a403d60315aa8a git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 5.15.216 5.15.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1.183 6.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.152 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.104 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.45 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.9 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2 * 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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."}],"providerMetadata":{"dateUpdated":"2026-08-22T15:32:24.858Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/f03398d835f5249c49546f0eb0d0df6792b95d5f"},{"url":"https://git.kernel.org/stable/c/a3ac6d849de5f7abe14761d741bbb843ac793454"},{"url":"https://git.kernel.org/stable/c/7edd3adb0c80d70b4237640275c559610f438476"},{"url":"https://git.kernel.org/stable/c/c5e5d78743992e235b76d2ebe5a403d60315aa8a"},{"url":"https://git.kernel.org/stable/c/7b0f62d2986a28e5e4188366bc2f4e2868b14790"},{"url":"https://git.kernel.org/stable/c/8b3e4ed9c35d3d3b64fcc23f4a1f22b37c1865b1"},{"url":"https://git.kernel.org/stable/c/bd88f6289b7e483216a9c1df15a0460ef9b02cb6"},{"url":"https://git.kernel.org/stable/c/6829665d050983907b560173e49dcc6c11cb2730"}],"title":"staging: rtl8723bs: validate monitor transmit frame lengths","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-74648","datePublished":"2026-08-22T15:32:24.858Z","dateReserved":"2026-08-15T05:44:03.923Z","dateUpdated":"2026-08-22T15:32:24.858Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-22 16:16:38","lastModifiedDate":"2026-08-22 16:16:38","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"74648","Ordinal":"1","Title":"staging: rtl8723bs: validate monitor transmit frame lengths","CVE":"CVE-2026-74648","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"74648","Ordinal":"1","NoteData":"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.","Type":"Description","Title":"staging: rtl8723bs: validate monitor transmit frame lengths"}]}}}