CVE-2026-53209

Katalog CVE

CVSS 7.8 · High EPSS 0,13%

Kerentanan Out-of-bounds Write pada linux kernel. Skor CVSS 3.1 7.8 (High) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_sync: reject oversized Broadcast Announcement prepend Existing advertising instances can already hold the maximum extended advertising payload. When hci_adv_bcast_annoucement() prepends the Broadcast Announcement service data to that payload, the combined data may no longer fit in the temporary buffer used to rebuild the advertising data. Reject that case before copying the existing payload and report the failure through the device log. This keeps the existing advertising data intact and avoids overrunning the temporary buffer.

Advisory KUTIM-CSIRT

• Peringatan Keamanan: 14 Kerentanan Kernel Linux Periode September 2026 pada Ubuntu, AlmaLinux, dan Debian 30 Sep 2026

Rincian

Terbit di NVD

25 Juni 2026

Terakhir diubah

2 Juli 2026

Status NVD

Analyzed

CVSS 3.1

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

Jenis kelemahan (CWE)

CWE-787: Out-of-bounds Write

EPSS (30 hari)

0,13% peluang dieksploitasi; lebih tinggi dari 2,2% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/02f50e8bb69f9b22516163a09922f5537d3b12d1 patch
• https://git.kernel.org/stable/c/10b0e832cc05d7aef4b92bed912cbd4a395d0862 patch
• https://git.kernel.org/stable/c/1338ee049a8910ba6c9cee963920e978e6893c7d patch
• https://git.kernel.org/stable/c/5c65b96b549ea2dcfde497436bf9e048deb87758 patch
• https://git.kernel.org/stable/c/cdd8bbdbee763fdf5bf343e6f7d4e79347739f62 patch
• https://git.kernel.org/stable/c/dafc9f57140e66a10945127aa7433c3d715dc253 patch