CVE-2022-49576

Summary

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

ipv4: Fix data-races around sysctl_fib_multipath_hash_fields.

While reading sysctl_fib_multipath_hash_fields, it can be changed concurrently. Thus, we need to add READ_ONCE() to its readers.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxce5c9c20d364f156c885efed8c71fca2945db00f < 36f5b86f309b3b11295d087cd7433f1c897caf94affected
LinuxLinuxce5c9c20d364f156c885efed8c71fca2945db00f < 548d6678c4a3d43667e59686665f8674b82440a3affected
LinuxLinuxce5c9c20d364f156c885efed8c71fca2945db00f < 8895a9c2ac76fb9d3922fed4fe092c8ec5e5ccccaffected
LinuxLinux5.14affected
LinuxLinux0 < 5.14unaffected
LinuxLinux5.15.58 <= 5.15.*unaffected
LinuxLinux5.18.15 <= 5.18.*unaffected
LinuxLinux5.19 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References