CVE-2022-49571

Summary

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

tcp: Fix data-races around sysctl_tcp_max_reordering.

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

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxdca145ffaa8d39ea1904491ac81b92b7049372c0 < 5e38cee24f19d19280c68f1ac8bf6790d607f60aaffected
LinuxLinuxdca145ffaa8d39ea1904491ac81b92b7049372c0 < 50a1d3d097503a90cf84ebe120afcde37e9c33b3affected
LinuxLinuxdca145ffaa8d39ea1904491ac81b92b7049372c0 < 064852663308c801861bd54789d81421fa4c2928affected
LinuxLinuxdca145ffaa8d39ea1904491ac81b92b7049372c0 < ce3731c61589ed73364a5b55ce34131762ef9b60affected
LinuxLinuxdca145ffaa8d39ea1904491ac81b92b7049372c0 < 46deb91ac8a790286ad6d24cf92e7ab0ab2582bbaffected
LinuxLinuxdca145ffaa8d39ea1904491ac81b92b7049372c0 < a11e5b3e7a59fde1a90b0eaeaa82320495cf8caeaffected
LinuxLinux3.19affected
LinuxLinux0 < 3.19unaffected
LinuxLinux4.19.254 <= 4.19.*unaffected
LinuxLinux5.4.208 <= 5.4.*unaffected
LinuxLinux5.10.134 <= 5.10.*unaffected
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