{"id":"CVE-2026-74648","title":"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 fi…","summary":"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 fi…","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","published":"2026-08-22","updated":"2026-10-14","sourceUpdated":"2026-10-14T13:10:00.187","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74648","references":[{"url":"https://git.kernel.org/stable/c/6829665d050983907b560173e49dcc6c11cb2730","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7b0f62d2986a28e5e4188366bc2f4e2868b14790","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/7edd3adb0c80d70b4237640275c559610f438476","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/8b3e4ed9c35d3d3b64fcc23f4a1f22b37c1865b1","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/a3ac6d849de5f7abe14761d741bbb843ac793454","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/bd88f6289b7e483216a9c1df15a0460ef9b02cb6","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/c5e5d78743992e235b76d2ebe5a403d60315aa8a","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"},{"url":"https://git.kernel.org/stable/c/f03398d835f5249c49546f0eb0d0df6792b95d5f","label":"416baaa9-dc9f-4396-8d5f-8c081fb06d67"}],"tags":["nvd"],"epss":0.00129,"epssPercentile":0.02244,"ingestedAt":"2026-10-14T13:30:58.526Z","slug":"CVE-2026-74648","body":"## Overview\n\nIn 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}