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CVE-2026-23156

HIGH

7.8

Beschreibung

In the Linux kernel, the following vulnerability has been resolved: efivarfs: fix error propagation in efivar_entry_get() efivar_entry_get() always returns success even if the underlying __efivar_entry_get() fails, masking errors. This may result in uninitialized heap memory being copied to userspace in the efivarfs_file_read() path. Fix it by returning the error from __efivar_entry_get().

CVE Details

CVSS v3.1 Bewertung7.8

SchweregradHIGH

CVSS VektorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

AngriffsvektorLOCAL

KomplexitatLOW

Erforderliche PrivilegienLOW

BenutzerinteraktionNONE

Veroffentlicht2/14/2026

Zuletzt geandert3/18/2026

Quellenvd

Honeypot-Sichtungen0

Betroffene Produkte

linux:linux_kernel

Referenzen

https://git.kernel.org/stable/c/3960f1754664661a970dc9ebbab44ff93a0b4c42(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/4b22ec1685ce1fc0d862dcda3225d852fb107995(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/510a16f1c5c1690b33504052bc13fbc2772c23f8(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/89b8ca709eeeabcc11ebba64806677873a2787a8(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

https://git.kernel.org/stable/c/e4e15a0a4403c96d9898d8398f0640421df9cb16(416baaa9-dc9f-4396-8d5f-8c081fb06d67)

IOC Korrelationen

Keine Korrelationen erfasst

This product uses data from the NVD API but is not endorsed or certified by the NVD.