SB2025050650 - Ubuntu update for linux-oem-6.11
Published: May 6, 2025
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 vulnerabilities.
1) Reachable assertion (CVE-ID: CVE-2025-21902)
CWE-ID: CWE-617 - Reachable Assertion
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to reachable assertion within the yoga_c630_ucsi_async_control() function in drivers/usb/typec/ucsi/ucsi_yoga_c630.c, within the ucsi_stm32g0_irq_handler() function in drivers/usb/typec/ucsi/ucsi_stm32g0.c, within the pmic_glink_ucsi_connector_status() function in drivers/usb/typec/ucsi/ucsi_glink.c, within the ucsi_acpi_read_version(), ucsi_acpi_async_control() and ucsi_gram_sync_control() functions in drivers/usb/typec/ucsi/ucsi_acpi.c, within the ucsi_reset_ppm() and ucsi_create() functions in drivers/usb/typec/ucsi/ucsi.c. A local user can perform a denial of service (DoS) attack.
2) Use of uninitialized resource (CVE-ID: CVE-2025-21813)
CWE-ID: CWE-908 - Use of Uninitialized Resource
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the tmigr_setup_groups() function in kernel/time/timer_migration.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.