SB20240806152 - Amazon Linux AMI update for kernel
Published: August 6, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Improper locking (CVE-ID: CVE-2024-26605)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to improper locking within the pcie_aspm_exit_link_state() and pcie_aspm_pm_state_change() functions in drivers/pci/pcie/aspm.c, within the pci_power_up(), pci_set_full_power_state(), pci_bus_set_current_state(), pci_set_low_power_state() and pci_set_power_state() functions in drivers/pci/pci.c, within the qcom_pcie_enable_aspm() function in drivers/pci/controller/dwc/pcie-qcom.c, within the pci_bus_add_devices() and pci_walk_bus() functions in drivers/pci/bus.c. A local user can perform a denial of service (DoS) attack.
2) Use-after-free (CVE-ID: CVE-2024-26939)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a use-after-free error within the active_to_vma() and i915_vma_pin_ww() functions in drivers/gpu/drm/i915/i915_vma.c. A local user can escalate privileges on the system.
3) Buffer overflow (CVE-ID: CVE-2024-35995)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory corruption within the show_cppc_data(), acpi_cppc_processor_probe(), cpc_read() and cpc_write() functions in drivers/acpi/cppc_acpi.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.