CVE-2026-53266: Linux Kernel: aktif olarak istismar edilen açık

Açıklama (NVD)

Linux Kernel contains an out-of-bounds write vulnerability in the ebtables SNAT target which allows an ARP sender hardware address rewrite to write directly into a nonlinear socket-buffer fragment backed by a splice-imported file page. The impacted product(s) could be end-of-life (EoL) and/or end-of-service (EoS). Users are advised to discontinue use and/or transition to a supported version.

Özet bilgiler

EPSS

%0,93 (yüzdelik 61)

Yama

Yok / bilinmiyor

KEV

Eklenme: 2026-09-18 · Son tarih: 2026-09-21

Gerekli aksiyon: Apply mitigations in accordance with vendor instructions, ensuring compliance with CISA’s BOD 26-04 Prioritizing Security Updates Based on Risk (see URL in Notes) guidance and CISA’s “Forensics Triage Requirements” (see URL in Notes). Follow applicable BOD 26-04 guidance for cloud services or discontinue use of the product if mitigations are unavailable. Stakeholders are responsible for evaluating each asset's internet exposure and ensuring adherence to BOD 26-04 patching guidelines.

Kaynaklar

• NVD kaydı
• CISA KEV kataloğu