CVE-2024-26723

Summary

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

lan966x: Fix crash when adding interface under a lag

There is a crash when adding one of the lan966x interfaces under a lag interface. The issue can be reproduced like this: ip link add name bond0 type bond miimon 100 mode balance-xor ip link set dev eth0 master bond0

The reason is because when adding a interface under the lag it would go through all the ports and try to figure out which other ports are under that lag interface. And the issue is that lan966x can have ports that are NULL pointer as they are not probed. So then iterating over these ports it would just crash as they are NULL pointers. The fix consists in actually checking for NULL pointers before accessing something from the ports. Like we do in other places.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxcabc9d49333df72fe0f6d58bdcf9057ba341e701 < b9357489c46c7a43999964628db8b47d3a1f8672affected
LinuxLinuxcabc9d49333df72fe0f6d58bdcf9057ba341e701 < 48fae67d837488c87379f0c9f27df7391718477caffected
LinuxLinuxcabc9d49333df72fe0f6d58bdcf9057ba341e701 < 2a492f01228b7d091dfe38974ef40dccf8f9f2f1affected
LinuxLinuxcabc9d49333df72fe0f6d58bdcf9057ba341e701 < 15faa1f67ab405d47789d4702f587ec7df7ef03eaffected
LinuxLinux6.1affected
LinuxLinux0 < 6.1unaffected
LinuxLinux6.1.79 <= 6.1.*unaffected
LinuxLinux6.6.18 <= 6.6.*unaffected
LinuxLinux6.7.6 <= 6.7.*unaffected
LinuxLinux6.8 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References