CVE-2022-49579

Summary

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

ipv4: Fix data-races around sysctl_fib_multipath_hash_policy.

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

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxbf4e0a3db97eb882368fd82980b3b1fa0b5b9778 < 21fb844bc1dc1461f5038d655aa1a14f39e13049affected
LinuxLinuxbf4e0a3db97eb882368fd82980b3b1fa0b5b9778 < 918ee6592ab9a2ff5316d06cfd4aaef60ccabec6affected
LinuxLinuxbf4e0a3db97eb882368fd82980b3b1fa0b5b9778 < 7998c12a08c97cc26660532c9f90a34bd7d8da5aaffected
LinuxLinux4.12affected
LinuxLinux0 < 4.12unaffected
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