CVE-2026-74497

Katalog CVE

CVSS 8.4 · High EPSS 0,14%

Skor CVSS 3.1 8.4 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: ALSA: usb-audio: Clamp frame size in implicit-feedback mode snd_usb_handle_sync_urb() scales received sync packet sizes by the sender's stride and stores the result directly in out_packet->packet_size[i]. If a connected USB device sends an oversized sync packet, this frame count can exceed ep->maxframesize. The un-clamped frame count then propagates to the playback endpoint queue, potentially driving packet transfers beyond the endpoint's hardware frame limits. Cap the calculated frame count against ep->maxframesize in snd_usb_handle_sync_urb() to prevent oversized packets from entering the playback queue.

Rincian

Terbit di NVD

15 Agustus 2026

Terakhir diubah

19 Agustus 2026

Status NVD

Received

CVSS 3.1

8.4 (High), sumber CNA
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H · uraikan di kalkulator

EPSS (30 hari)

0,14% peluang dieksploitasi; lebih tinggi dari 3,0% CVE lain

Produk dan versi terdampak

NVD belum mencantumkan data produk (CPE) untuk CVE ini. Produk yang terdampak biasanya disebut di deskripsi dan di advisory vendor pada daftar referensi.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/09cf3dbbb4256a43feb91d2f51f274510a9ada47
• https://git.kernel.org/stable/c/2d39fea6d3c19a2f5811d123114d92e3d0115fd1
• https://git.kernel.org/stable/c/2db4535d6af79276a64449201c5be5feffb31c64
• https://git.kernel.org/stable/c/53f0aa37eb945f3c983f61d12fc35eb33debb8a9
• https://git.kernel.org/stable/c/56ac3e7c90f6b45969c3fd07a98fad760ffd6901
• https://git.kernel.org/stable/c/8d7a30c50c2e58a6839634ed0acde14466d1dc61
• https://git.kernel.org/stable/c/be97fea7451d758881b95af78e900dd0d58a382a
• https://git.kernel.org/stable/c/cfa8d3e0e8b812c4db4d5241f62b6bdbab2bd7be