CVE Watch—

CVE-2023-0266

Linux Kernel Use-After-Free Vulnerability

CVSS

—

Sin CVSS

EPSS

3.7%

p89

KEV

SÍ

30 mar 2023

Exploit Today

0-100

Publicado: — · Última mod.: —

EPSS · 30d

3.7%EPSS · 30 días3.7%

2026-09-172026-10-15

Ficha del catálogo KEV

Producto

Linux / Kernel

Vulnerabilidad

Linux Kernel Use-After-Free Vulnerability

Añadido a KEV

30 mar 2023

Remediar antes de

20 abr 2023

Uso conocido en ransomware

Descripción resumida

Linux kernel contains a use-after-free vulnerability that allows for privilege escalation to gain ring0 access from the system user.

Acción requerida

Apply updates per vendor instructions.

Notas

https://git.kernel.org/pub/scm/linux/kernel/git/stable/stable-queue.git/tree/queue-5.10/alsa-pcm-move-rwsem-lock-inside-snd_ctl_elem_read-to-prevent-uaf.patch?id=72783cf35e6c55bca84c4bb7b776c58152856fd4; https://nvd.nist.gov/vuln/detail/CVE-2023-0266

CVEs relacionados

CVECVSSEPSSKEVRExplotTítuloVis.

CVE-2026-533627.8 ALT

52.5%

KEV—66Linux Kernel Unspecified Vulnerability14h CVE-2026-532668.8 ALT

56.6%

KEV—67Linux Kernel Out-of-Bounds Write Vulnerability27d CVE-2026-314317.8 ALT

88.8%

KEV—77Linux Kernel Incorrect Resource Transfer Between Spheres Vulnerability38d CVE-2025-399647.8 ALT

70.1%

KEV—71Linux Kernel Race Condition Vulnerability14h CVE-2025-396829.8 CRÍ

86.6%

KEV—76Linux Kernel Improper Check for Unusual or Exceptional Conditions Vulnerability8d CVE-2025-383527.8 ALT

70.8%

KEV—71Linux Kernel Time-of-Check Time-of-Use (TOCTOU) Race Condition Vulnerability37d