CVE-2022-49638

Summary

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

icmp: Fix data-races around sysctl.

While reading icmp sysctl variables, they can be changed concurrently. So, we need to add READ_ONCE() to avoid data-races.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4cdf507d54525842dfd9f6313fdafba039084046 < 1740e5922fbb705637ae9fa5203db132fc45f9f6affected
LinuxLinux4cdf507d54525842dfd9f6313fdafba039084046 < 53ecd09ef2fb35fa69667ae8e414ef6b00fd3bf6affected
LinuxLinux4cdf507d54525842dfd9f6313fdafba039084046 < edeec63b13c252193d626c2a48d7a2f0e7016dc2affected
LinuxLinux4cdf507d54525842dfd9f6313fdafba039084046 < 0cba7ca667ceb06934746ddd9833a25847bde81daffected
LinuxLinux4cdf507d54525842dfd9f6313fdafba039084046 < e088ceb73c24ab4774da391d54a6426f4bfaefceaffected
LinuxLinux4cdf507d54525842dfd9f6313fdafba039084046 < e2828e8c605853f71267825c9415437c0a93e4f2affected
LinuxLinux4cdf507d54525842dfd9f6313fdafba039084046 < 798c2cf57c63ab39c8aac24d6a3d50f4fa5eeb06affected
LinuxLinux4cdf507d54525842dfd9f6313fdafba039084046 < 48d7ee321ea5182c6a70782aa186422a70e67e22affected
LinuxLinux3.18affected
LinuxLinux0 < 3.18unaffected
LinuxLinux4.9.324 <= 4.9.*unaffected
LinuxLinux4.14.289 <= 4.14.*unaffected
LinuxLinux4.19.253 <= 4.19.*unaffected
LinuxLinux5.4.207 <= 5.4.*unaffected
LinuxLinux5.10.132 <= 5.10.*unaffected
LinuxLinux5.15.56 <= 5.15.*unaffected
LinuxLinux5.18.13 <= 5.18.*unaffected
LinuxLinux5.19 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References