CVE-2024-46719

Summary

In the Linux kernel, the following vulnerability has been resolved:

usb: typec: ucsi: Fix null pointer dereference in trace

ucsi_register_altmode checks IS_ERR for the alt pointer and treats NULL as valid. When CONFIG_TYPEC_DP_ALTMODE is not enabled, ucsi_register_displayport returns NULL which causes a NULL pointer dereference in trace. Rather than return NULL, call typec_port_register_altmode to register DisplayPort alternate mode as a non-controllable mode when CONFIG_TYPEC_DP_ALTMODE is not enabled.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxaf8622f6a585d8d82b11cd7987e082861fd0edd3 < 8095bf0579ed4906a33f7bec675bfb29b6b16a3baffected
LinuxLinuxaf8622f6a585d8d82b11cd7987e082861fd0edd3 < 7e64cabe81c303bdf6fd26b6a09a3289b33bc870affected
LinuxLinuxaf8622f6a585d8d82b11cd7987e082861fd0edd3 < 3aa56313b0de06ce1911950b2cc0c269614a87a9affected
LinuxLinuxaf8622f6a585d8d82b11cd7987e082861fd0edd3 < b4243c05d7e3db0bdbf9124e6fa59b4ca7c807aeaffected
LinuxLinuxaf8622f6a585d8d82b11cd7987e082861fd0edd3 < 3b9f2d9301ae67070fe77a0c06758722fd7172b7affected
LinuxLinuxaf8622f6a585d8d82b11cd7987e082861fd0edd3 < 99331fe68a8eaa4097143a33fb0c12d5e5e8e830affected
LinuxLinuxaf8622f6a585d8d82b11cd7987e082861fd0edd3 < 99516f76db48e1a9d54cdfed63c1babcee4e71a5affected
LinuxLinux5.2affected
LinuxLinux0 < 5.2unaffected
LinuxLinux5.4.284 <= 5.4.*unaffected
LinuxLinux5.10.226 <= 5.10.*unaffected
LinuxLinux5.15.167 <= 5.15.*unaffected
LinuxLinux6.1.109 <= 6.1.*unaffected
LinuxLinux6.6.50 <= 6.6.*unaffected
LinuxLinux6.10.9 <= 6.10.*unaffected
LinuxLinux6.11 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

CVE Program Container

Additional References

References