SB2025041804 - Multiple vulnerabilities in Google ChromeOS LTS



SB2025041804 - Multiple vulnerabilities in Google ChromeOS LTS

Published: April 18, 2025

Security Bulletin ID SB2025041804
Severity
High
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Code execution

Breakdown by Severity

High 50% Low 50%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Integer underflow (CVE-ID: CVE-2024-11477)

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to integer underflow within the implementation of the Zstandard decompression. A remote attacker can trick the victim into opening a specially crafted archive, trigger an integer underflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


2) Integer underflow (CVE-ID: CVE-2024-26921)

The vulnerability allows a local user to execute arbitrary code.

The vulnerability exists due to integer underflow within the nf_ct_frag6_queue() and nf_ct_frag6_gather() functions in net/ipv6/netfilter/nf_conntrack_reasm.c, within the ip_frag_queue() and ip_defrag() functions in net/ipv4/ip_fragment.c, within the FRAG_CB(), inet_frag_queue_insert(), inet_frag_reasm_prepare(), EXPORT_SYMBOL() and inet_frag_reasm_finish() functions in net/ipv4/inet_fragment.c. A local user can execute arbitrary code.


Remediation

Install update from vendor's website.