CVE-2024-35857

Summary

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

icmp: prevent possible NULL dereferences from icmp_build_probe()

First problem is a double call to __in_dev_get_rcu(), because the second one could return NULL.

if (__in_dev_get_rcu(dev) && __in_dev_get_rcu(dev)->ifa_list)

Second problem is a read from dev->ip6_ptr with no NULL check:

if (!list_empty(&rcu_dereference(dev->ip6_ptr)->addr_list))

Use the correct RCU API to fix these.

v2: add missing include <net/addrconf.h>

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxd329ea5bd8845f0b196bf41b18b6173340d6e0e4 < 23b7ee4a8d559bf38eac7ce5bb2f6ebf76f9c401affected
LinuxLinuxd329ea5bd8845f0b196bf41b18b6173340d6e0e4 < 599c9ad5e1d43f5c12d869f5fd406ba5d8c55270affected
LinuxLinuxd329ea5bd8845f0b196bf41b18b6173340d6e0e4 < d68dc711d84fdcf698e5d45308c3ddeede586350affected
LinuxLinuxd329ea5bd8845f0b196bf41b18b6173340d6e0e4 < 3e2979bf080c40da4f7c93aff8575ab8bc62b767affected
LinuxLinuxd329ea5bd8845f0b196bf41b18b6173340d6e0e4 < c58e88d49097bd12dfcfef4f075b43f5d5830941affected
LinuxLinux5.13affected
LinuxLinux0 < 5.13unaffected
LinuxLinux5.15.158 <= 5.15.*unaffected
LinuxLinux6.1.90 <= 6.1.*unaffected
LinuxLinux6.6.30 <= 6.6.*unaffected
LinuxLinux6.8.9 <= 6.8.*unaffected
LinuxLinux6.9 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References