CVE-2024-39470

Summary

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

eventfs: Fix a possible null pointer dereference in eventfs_find_events()

In function eventfs_find_events,there is a potential null pointer that may be caused by calling update_events_attr which will perform some operations on the members of the ei struct when ei is NULL.

Hence,When ei->is_freed is set,return NULL directly.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux628adb842bd5e1c2c598534a7a022b8235289de6 < 5ade5fbdbbb1f023bb70730ba4d74146c8bc7eb9affected
LinuxLinux8186fff7ab649085e2c60d032d9a20a85af1d87c < 7a1b2d138189375ed1dcd7d0851118230221bd1daffected
LinuxLinux8186fff7ab649085e2c60d032d9a20a85af1d87c < d4e9a968738bf66d3bb852dd5588d4c7afd6d7f4affected
LinuxLinux9c2ac5e0ea7899411fd900d4681890722a020735affected
LinuxLinux6.6.18 < 6.6.34affected
LinuxLinux6.7.4 < 6.8affected
LinuxLinux6.8affected
LinuxLinux0 < 6.8unaffected
LinuxLinux6.6.34 <= 6.6.*unaffected
LinuxLinux6.9.5 <= 6.9.*unaffected
LinuxLinux6.10 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References