CVE-2026-97957

Katalog CVE

CVSS 8.8 · High EPSS 0,14%

Skor CVSS 3.1 8.8 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: net: hinic: fix mailbox segment buffer overflow check_mbox_seq_id_and_seg_len() validates that seq_id does not exceed SEQ_ID_MAX_VAL (42) and seg_len does not exceed MBOX_SEG_LEN (48). However, this allows the last segment (seq_id=42) to carry a full 48-byte payload, writing to offset 42*48=2016 for 48 bytes (ending at byte 2064). The receive buffer is only MBOX_MAX_BUF_SZ (2048) bytes, resulting in a 16-byte heap buffer overflow. The hinic3 driver already handles this correctly by defining MBOX_LAST_SEG_MAX_LEN and rejecting the last segment when it exceeds the remaining buffer space. Apply the same fix to the hinic driver.

Rincian

Terbit di NVD

25 September 2026

Terakhir diubah

3 Oktober 2026

Status NVD

Received

CVSS 3.1

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

EPSS (30 hari)

0,14% peluang dieksploitasi; lebih tinggi dari 3,1% 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/513f7b16ed0cffae9348151c72bed17c7073096f
• https://git.kernel.org/stable/c/5d4d985957434867bbe85e4fa5e638f3e48ad522
• https://git.kernel.org/stable/c/72be1fd5d256dde748c0905c5e1749a119cad5bd
• https://git.kernel.org/stable/c/7cc974799fde846eda2d8f00ad4f8e1810eb0499
• https://git.kernel.org/stable/c/8de1e23bd91fe3a6683e4bc574e2d6bcb0eef920
• https://git.kernel.org/stable/c/9f6ad383901d0cb1c8ea5f7f3160fabfe1540eb5
• https://git.kernel.org/stable/c/c622bbc212207d7c6bbd69dd88f0c3a3f5853d16
• https://git.kernel.org/stable/c/eca54a092d5f7b497b458ff5a6f66d4f7bfb6674