Yüksek CVSS 8.8

CVE-2026-43112: Linux Kernel: sınır dışı okuma

Yayın: 6 Mayıs 2026 13:16 · Güncelleme: 6 Kasım 2026 10:18

Açıklama (NVD)

In the Linux kernel, the following vulnerability has been resolved: fs/smb/client: fix out-of-bounds read in cifs_sanitize_prepath When cifs_sanitize_prepath is called with an empty string or a string containing only delimiters (e.g., "/"), the current logic attempts to check *(cursor2 - 1) before cursor2 has advanced. This results in an out-of-bounds read. This patch adds an early exit check after stripping prepended delimiters. If no path content remains, the function returns NULL. The bug was identified via manual audit and verified using a standalone test case compiled with AddressSanitizer, which triggered a SEGV on affected inputs.

Özet bilgiler

Ürün: Linux Linux Kernel
CVSS v3.1: 8.8 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS: %0,35 (yüzdelik 29)
CWE: CWE-125
Yama: Mevcut

Etkilenen sürümler

Ürün	Başlangıç	Bitiş	Düzeltildi
linux-linux-kernel	5.16.1	—	6.6.136
linux-linux-kernel	6.7	—	6.12.83
linux-linux-kernel	6.13	—	6.18.24
linux-linux-kernel	6.19	—	6.19.14
linux-linux-kernel	5.16	5.16	—
linux-linux-kernel	5.16	5.16	—
linux-linux-kernel	5.16	5.16	—
linux-linux-kernel	5.16	5.16	—
linux-linux-kernel	7.0	7.0	—
linux-linux-kernel	7.0	7.0	—
linux-linux-kernel	7.0	7.0	—
linux-linux-kernel	7.0	7.0	—
linux-linux-kernel	7.0	7.0	—
linux-linux-kernel	7.0	7.0	—

Kaynaklar

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