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🎯 CVE-2026-80952 🇪🇺 EUVD
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CVE-2026-80952 | In the Linux kernel, the following vulnerability has been resolved: i3c: master: Fix info leak and UAF in device unregister path i3c_master_unregister_i3c_devs() clears i3cdev->dev->desc before calling device_unregister(). During device_unregister(), device_del() emits a KOBJ_REMOVE uevent and unbinds the driver while the device descriptor is still expected to be valid. As a result, i3c_device_uevent() and a racing modalias_show() can observe a NULL desc

In the Linux kernel, the following vulnerability has been resolved:

i3c: master: Fix info leak and UAF in device unregister path

i3c_master_unregister_i3c_devs() clears i3cdev->dev->desc before
calling device_unregister(). During device_unregister(),
device_del() emits a KOBJ_REMOVE uevent and unbinds the driver while
the device descriptor is still expected to be valid. As a result,
i3c_device_uevent() and a racing modalias_show() can observe a NULL
desc and fall back to an uninitialized stack struct i3c_device_info,
leaking kernel stack contents in the generated modalias. Driver
.remove() callbacks may also encounter an unexpected NULL desc during
unbind.

Keep desc valid until device_unregister() has completed. Since
device_unregister() drops the device reference and may free the device,
take an extra reference with get_device() before unregistering. Clear
desc afterwards and release the extra reference with put_device().
This preserves the release-time invariant that desc must be NULL while
avoiding both the information leak and a potential use-after-free from
writing desc after the device has been released.

Klassifikation & Betroffenheit:
Linux Linux patch: 6.12.109Linux patch: 6.18.50Linux 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 <ef72ff6650c4ebf2b444708d84df66db42f262d9Linux 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 <334cfb5e285cece5dc49fb3fb8ea9b70b2cb5d7eLinux 3a379bbcea0af6280e1ca0d1edfcf4e68cde6ee0 <94fb9786d67a8f8b899e77381620f86bad94fdf7Linux 5.0Linux patch: 0Linux patch: 7.3-rc1
Improper Control of Generation of Code ('Code Injection') 🎯 Medium

The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

🛡️ Empfohlene Mitigation: Refactor your program so that you do not have to dynamically generate code.
Vollständige Definition bei MITRE ➔
⚔️ Typische Angriffsmuster (CAPEC):
CAPEC-35 · Leverage Executable Code in Non-Executab… (Very High) CAPEC-77 · Manipulating User-Controlled Variables (Very High) CAPEC-242 · Code Injection (High)
🎯 ATT&CK-Techniken (Kill-Chain-Verhalten):
T1027.006 · Obfuscated Files or Information: H… T1027.009 · Obfuscated Files or Information: E… T1564.009 · Hide Artifacts: Resource Forking
🧩 Ähnliche Schwachstellen (Hersteller/Klasse/Score-Band):
CVE-2026-90049 9.3 CVE-2026-89930 9.3 CVE-2026-89918 9.3 CVE-2026-89916 9.3 CVE-2026-89915 9.3
🩹 Patch verfügbar (OSV):
🩹 Kernel ≥ 5.10.270 🩹 Kernel ≥ 5.15.221 🩹 Kernel ≥ 6.1.188 🩹 Kernel ≥ 6.6.157 🩹 Kernel ≥ 6.12.109 🩹 Kernel ≥ 6.18.50
📚 Referenzen & Quellen:
🇪🇺 Original-Eintrag (ENISA EUVD) 🇺🇸 NVD-Eintrag
Ausnutzungs-Zeitleiste:
CVSS-Vektor-Analyse: 7.8
AV · Angriffsvektor Lokal
AC · Komplexität Gering
PR · Privilegien Gering
UI · Interaktion Keine
S · Scope Unverändert
C · Vertraulichkeit Hoch
I · Integrität Hoch
A · Verfügbarkeit Hoch
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Veröffentlicht:11.09.2026
Aktualisiert:14.09.2026 13:18
Assigner (CNA):Linux
EUVD-ID:EUVD-2026-76275
Quellen: 🇪🇺 EUVD-Datenbank (ENISA) + 🇺🇸 NVD-Anreicherung · 24-h-Cache
CWE-94: Code Injection ✓ Offizieller Patch / Advisory verfügbar
💡 Gegenmaßnahme: Kernel-Paket aktualisieren (apt upgrade linux-image / yum update kernel) und System neu starten.
🔴 Live Security Advisory & EPSS Exploit Radar

Zero-Day & Vulnerability Intelligence Hub

Echtzeit-Tracking mit EPSS Exploit-Wahrscheinlichkeiten, Angriffsvektor-Decodern und KI-Patch-Anleitungen.

🟢 SSE Realtime Synchronisiert ⚡ REST API (JSON) 📡 Digest (RSS) 📡 RSS Feed
366k+ 🇪🇺 EUVD-Datenbank
0 🔴 Critical im Radar
0 ⚠️ CISA KEV
0 🔓 Aktiv ausgenutzt
0 🧪 PoC verfügbar
18 🆕 Neu im KEV (7 T)
📊 Historien-Charts — Criticals-Trend · Vendors · EPSS-Verteilung
🔴 Criticals pro Monat (12 M) 2025-09: 105 2025-10: 317 2025-11: 257 2025-12: 426 2026-01: 431 2026-02: 417 2026-03: 649 2026-04: 574 2026-05: 683 2026-06: 941 2026-07: 1327 2026-08: 1828 2026-09: 913 8.868 Criticals gesamt
🏢 Top-Vendor-Veröffentlichungen (6 M) Adobe Apple Google Linux Microsoft Oracle Corporation
● Adobe ● Apple ● Google ● Linux ● Microsoft ● Oracle
📈 EPSS-Verteilung (Messungen)
Tier2026-08-292026-09-17
≥90 %40
≥50 %40
≥10 %30
<10 %304300
📈 EPSS-Riser (7 Tage) CVE-2022-2900 ↑ 0.2 %
Frühindikator · FIRST.org
Datenquellen & Methodik: Primärquelle ist die EUVD der ENISA (laufender Datenbank-Sync, alle 15 Minuten), abgeglichen mit dem CISA-KEV-Katalog und der NVD — Detail-Dossiers reichern fehlende Felder live per NVD an — mit Fallback auf CIRCL vulnerability-lookup (EU/Non-Profit, aggregiert CVE-, GitHub- und OSV-Advisories). Der CISA-KEV-Katalog (Known Exploited Vulnerabilities, ~1.700 aktiv ausgenutzte Schwachstellen) wird bei jedem Sync vollständig neu geladen und kreuzreferenziert — filterbar über die KEV-Pille. CVSS 3.1 wird nach Ampel-Logik aus Verteidigersicht dekodiert; EPSS bezeichnet die 30-Tage-Exploit-Wahrscheinlichkeit (FIRST.org).
🇪🇺 ENISA EUVD 🇺🇸 NVD ⚠️ CISA KEV ⚡ EPSS
Ökosystem & Hersteller Bedrohungs-Matrix:
Schweregrad & Status:
Hersteller (Datenbank-weit, 96.170 Einträge):
EPSS-Schwelle:
Quelle:
Schwachstellen-Kategorie (CWE):
🔍
7.8 HIGH
🇪🇺 EUVD
EPSS 13%
CVE-2026-80952 💻 Lokal 🔑 Geringe Nutzerrechte nötig
Linux

CVE-2026-80952 | In the Linux kernel, the following vulnerability has been resolved: i3c: master: Fix info leak and UAF in device unregister path i3c_master_unregister_i3c_devs() clears i3cdev->dev->desc before calling device_unregister(). During device_unregister(), device_del() emits a KOBJ_REMOVE uevent and unbinds the driver while the device descriptor is still expected to be valid. As a result, i3c_device_uevent() and a racing modalias_show() can observe a NULL desc

In the Linux kernel, the following vulnerability has been resolved: i3c: master: Fix info leak and UAF in device unregister path i3c_master_unregister_i3c_devs() clears i3cdev->dev->desc before calling device_unregister(). During device_

CWE-94: Code Injection ✓ Offizieller Patch / Advisory verfügbar
💡 Gegenmaßnahme: Kernel-Paket aktualisieren (apt upgrade linux-image / yum update kernel) und System neu starten.
11.09.2026
🛡️ Details ➔