CVE-2026-64136

Katalog CVE

CVSS 9.8 · Critical EPSS 0,49%

Kerentanan pada linux kernel. Skor CVSS 3.1 9.8 (Critical) menurut CNA.

Deskripsi (NVD)

In the Linux kernel, the following vulnerability has been resolved: smb: client: protect tc_count increment in smb2_find_smb_sess_tcon_unlocked() Commit 96c4af418586 ("cifs: Fix locking usage for tcon fields") refactored cifs code to change cifs_tcp_ses_lock for tc_lock around tc_count changes. There was missing lock around tc_count increment inside smb2_find_smb_sess_tcon_unlocked().

Rincian

Terbit di NVD

19 Juli 2026

Terakhir diubah

13 Agustus 2026

Status NVD

Analyzed

CVSS 3.1

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

EPSS (30 hari)

0,49% peluang dieksploitasi; lebih tinggi dari 40,4% CVE lain

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD.

Referensi dan perbaikan

• https://git.kernel.org/stable/c/13fb413ae22a37c69341918a6d651d19a9b0b9b7 patch
• https://git.kernel.org/stable/c/4d8690dace005a38e6dbde9ecce2da3ad85c7c41 patch
• https://git.kernel.org/stable/c/7df1df6f40c0720d30206aa35c0343b962350e0d patch
• https://git.kernel.org/stable/c/bf4ebdb19ff9b3cdf992b50715fe61633327416a patch
• https://git.kernel.org/stable/c/e374f4e496fef8168784f93a4477d67be34485fd patch