CVE-2026-98292: Linux

Описание

Оригинално описание

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: btmtksdio, btmtkuart: validate WMT event length before struct access btmtksdio.c and btmtkuart.c cast a received WMT event straight to struct btmtk_hci_wmt_evt and read its op/flag fields without checking the event is long enough to contain them, unlike btmtk.c. The FUNC_CTRL case then further casts to struct btmtk_hci_wmt_evt_funcc and reads its 2-byte status field, again without a length check. Firmware that sends a short or malformed WMT event makes both drivers read past the end of the received SKB. Mirror btmtk.c: validate the base WMT header with skb_pull_data() before touching any of its fields, and when a FUNC_CTRL event turns out to be the short, header-only form (a plain enable/disable ack with no status word), decode the result from the header's own flag byte instead (0 = success, otherwise failure). Verified setup on MT7920, MT7921, MT7922 and MT7925: no regression.

Засегнати продукти

• Linux Linux: e0b67035a90b58d01f911fed77b6e3da153da66e преди 5a5cfd8488c97e1b8939515429fe4c81e9f2df4f; e0b67035a90b58d01f911fed77b6e3da153da66e преди 8879e3e0a84a86954c855caceead4867e74a9a27
• Linux Linux: 5.1; преди 5.1; 7.2.8 до 7.2.*; от 7.3 нататък

История

Други уязвимости в Linux Linux

• 8.1CVE-2026-99270
• 7.8CVE-2026-99269
• CVE-2026-99265
• CVE-2026-99261
• CVE-2026-99260

Първоизточници

• https://www.cve.org/CVERecord?id=CVE-2026-98292
• https://nvd.nist.gov/vuln/detail/CVE-2026-98292
• https://git.kernel.org/stable/c/5a5cfd8488c97e1b8939515429fe4c81e9f2df4f
• https://git.kernel.org/stable/c/8879e3e0a84a86954c855caceead4867e74a9a27