CVE-2021-47002

Summary

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

SUNRPC: Fix null pointer dereference in svc_rqst_free()

When alloc_pages_node() returns null in svc_rqst_alloc(), the null rq_scratch_page pointer will be dereferenced when calling put_page() in svc_rqst_free(). Fix it by adding a null check.

Addresses-Coverity: ("Dereference after null check")

Affected Software

VendorProductVersion RangeStatus
LinuxLinux79e4e0d489c8e72b9efa388e504a036eec1550c6 < 3de81c1e84bf84803308da3272a829a7655c5336affected
LinuxLinux5191955d6fc65e6d4efe8f4f10a6028298f57281 < 1e10f58f1c9a6b667b045513c7a4e6111c24fe7caffected
LinuxLinux5191955d6fc65e6d4efe8f4f10a6028298f57281 < c664aaec9aee544538a78ba4893a44bc73a6d742affected
LinuxLinux5191955d6fc65e6d4efe8f4f10a6028298f57281 < b9f83ffaa0c096b4c832a43964fe6bff3acffe10affected
LinuxLinux5.10.220 < 5.10.221affected
LinuxLinux5.11affected
LinuxLinux0 < 5.11unaffected
LinuxLinux5.10.221 <= 5.10.*unaffected
LinuxLinux5.11.22 <= 5.11.*unaffected
LinuxLinux5.12.5 <= 5.12.*unaffected
LinuxLinux5.13 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

Additional References

References