SB2024080674 - Amazon Linux AMI update for kernel-livepatch

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Main Vulnerability Database SB2024080674

SB2024080674 - Amazon Linux AMI update for kernel-livepatch

Published: August 6, 2024

Security Bulletin ID SB2024080674
Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 secuirty vulnerabilities.


1) Improper handling of exceptional conditions (CVE-ID: CVE-2023-5090)

The vulnerability allows a local user to perform a denial of service (DoS) attack.

The vulnerability exists due to improper handling of errors within the svm_set_x2apic_msr_interception() function in KVM. A local user can send specially crafted input and perform a denial of service (DoS) attack.


2) Use-after-free (CVE-ID: CVE-2023-5197)

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a use-after-free error within Linux kernel netfilter: nf_tables component. A local user can trigger a use-after-free error and execute arbitrary code with elevated privileges.


3) Out-of-bounds write (CVE-ID: CVE-2023-5717)

The vulnerability local user to escalate privileges on the system.

The vulnerability exists due to a boundary error in the Linux kernel's Linux Kernel Performance Events (perf) component. A local user can trigger an out-of-bounds write and execute arbitrary code with elevated privileges.


Remediation

Install update from vendor's website.

References