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Rewterz Threat Advisory – CVE-2023-0266 – Linux Kernel Vulnerability

Severity

High

Analysis Summary

CVE-2023-0266

Linux Kernel could allow a local authenticated attacker to gain elevated privileges on the system, caused by a use-after-free in the ALSA PCM package. An attacker could exploit this vulnerability using missing locks in SNDRV_CTL_IOCTL_ELEM_{READ|WRITE}32 to gain ring0 access from the system user.

Impact

  • Privilege Escalation

Indicators Of Compromise

CVE

  • CVE-2023-0266

Affected Vendors

Linux

Affected Products

  • Linux Kernel

Remediation

Refer to Linux Kernel GIT Repository for patch, upgrade or suggested workaround information.

Linux Kernel GIT Repository