CVE-2025-21947

Summary

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

ksmbd: fix type confusion via race condition when using ipc_msg_send_request

req->handle is allocated using ksmbd_acquire_id(&ipc_ida), based on ida_alloc. req->handle from ksmbd_ipc_login_request and FSCTL_PIPE_TRANSCEIVE ioctl can be same and it could lead to type confusion between messages, resulting in access to unexpected parts of memory after an incorrect delivery. ksmbd check type of ipc response but missing add continue to check next ipc reponse.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 6321bbda4244b93802d61cfe0887883aae322f4baffected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 76861630b29e51373e73e7b00ad0d467b6941162affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 3cb2b2e41541fe6f9cc55ca22d4c0bd260498aeaaffected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < 1e8833c03a38e1d5d5df6484e3f670a2fd38fb76affected
LinuxLinux0626e6641f6b467447c81dd7678a69c66f7746cf < e2ff19f0b7a30e03516e6eb73b948e27a55bc9d2affected
LinuxLinux5.15affected
LinuxLinux0 < 5.15unaffected
LinuxLinux6.1.131 <= 6.1.*unaffected
LinuxLinux6.6.83 <= 6.6.*unaffected
LinuxLinux6.12.19 <= 6.12.*unaffected
LinuxLinux6.13.7 <= 6.13.*unaffected
LinuxLinux6.14 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References