CVE-2024-38545

Summary

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

RDMA/hns: Fix UAF for cq async event

The refcount of CQ is not protected by locks. When CQ asynchronous events and CQ destruction are concurrent, CQ may have been released, which will cause UAF.

Use the xa_lock() to protect the CQ refcount.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux9a4435375cd151e07c0c38fa601b00115986091b < 330c825e66ef65278e4ebe57fd49c1d6f3f4e34eaffected
LinuxLinux9a4435375cd151e07c0c38fa601b00115986091b < 763780ef0336a973e933e40e919339381732dcafaffected
LinuxLinux9a4435375cd151e07c0c38fa601b00115986091b < 63da190eeb5c9d849b71f457b15b308c94cbaf08affected
LinuxLinux9a4435375cd151e07c0c38fa601b00115986091b < 39d26cf46306bdc7ae809ecfdbfeff5aa1098911affected
LinuxLinux9a4435375cd151e07c0c38fa601b00115986091b < 37a7559dc1358a8d300437e99ed8ecdab0671507affected
LinuxLinux9a4435375cd151e07c0c38fa601b00115986091b < a942ec2745ca864cd8512142100e4027dc306a42affected
LinuxLinux4.9affected
LinuxLinux0 < 4.9unaffected
LinuxLinux5.15.168 <= 5.15.*unaffected
LinuxLinux6.1.93 <= 6.1.*unaffected
LinuxLinux6.6.33 <= 6.6.*unaffected
LinuxLinux6.8.12 <= 6.8.*unaffected
LinuxLinux6.9.3 <= 6.9.*unaffected
LinuxLinux6.10 <= *unaffected

Weaknesses

ADP Enrichment

CVE Program Container

Additional References

CISA ADP Vulnrichment

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

References