CVE-2024-42285

Summary

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

RDMA/iwcm: Fix a use-after-free related to destroying CM IDs

iw_conn_req_handler() associates a new struct rdma_id_private (conn_id) with an existing struct iw_cm_id (cm_id) as follows:

    conn_id->cm_id.iw = cm_id;
    cm_id->context = conn_id;
    cm_id->cm_handler = cma_iw_handler;

rdma_destroy_id() frees both the cm_id and the struct rdma_id_private. Make sure that cm_work_handler() does not trigger a use-after-free by only freeing of the struct rdma_id_private after all pending work has finished.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 < d91d253c87fd1efece521ff2612078a35af673c6affected
LinuxLinux59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 < 7f25f296fc9bd0435be14e89bf657cd615a23574affected
LinuxLinux59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 < 94ee7ff99b87435ec63211f632918dc7f44dac79affected
LinuxLinux59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 < 557d035fe88d78dd51664f4dc0e1896c04c97cf6affected
LinuxLinux59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 < dc8074b8901caabb97c2d353abd6b4e7fa5a59a5affected
LinuxLinux59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 < ff5bbbdee08287d75d72e65b72a2b76d9637892aaffected
LinuxLinux59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 < ee39384ee787e86e9db4efb843818ef0ea9cb8aeaffected
LinuxLinux59c68ac31e15ad09d2cb04734e3c8c544a95f8d4 < aee2424246f9f1dadc33faa78990c1e2eb7826e4affected
LinuxLinux4.8affected
LinuxLinux0 < 4.8unaffected
LinuxLinux4.19.320 <= 4.19.*unaffected
LinuxLinux5.4.282 <= 5.4.*unaffected
LinuxLinux5.10.224 <= 5.10.*unaffected
LinuxLinux5.15.165 <= 5.15.*unaffected
LinuxLinux6.1.103 <= 6.1.*unaffected
LinuxLinux6.6.44 <= 6.6.*unaffected
LinuxLinux6.10.3 <= 6.10.*unaffected
LinuxLinux6.11 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References