SB2024062597 - Buffer overflow in Linux kernel wwan t7xx driver



SB2024062597 - Buffer overflow in Linux kernel wwan t7xx driver

Published: June 25, 2024 Updated: May 13, 2025

Security Bulletin ID SB2024062597
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2024-35909)

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

The vulnerability exists due to memory corruption within the t7xx_pcie_mac_atr_tables_dis() and t7xx_pcie_mac_atr_cfg() functions in drivers/net/wwan/t7xx/t7xx_pcie_mac.c, within the t7xx_cldma_gpd_rx_from_q() and t7xx_cldma_txq_empty_hndl() functions in drivers/net/wwan/t7xx/t7xx_hif_cldma.c, within the t7xx_cldma_tx_addr_is_set() and t7xx_cldma_hw_set_start_addr() functions in drivers/net/wwan/t7xx/t7xx_cldma.c. A local user can escalate privileges on the system.


Remediation

Install update from vendor's website.