CVE-2021-47571

Summary

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

staging: rtl8192e: Fix use after free in _rtl92e_pci_disconnect()

The free_rtllib() function frees the "dev" pointer so there is use after free on the next line. Re-arrange things to avoid that.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux66898177e7e5486dc77a4ba742efa4e2e9e900a4 < d43aecb694b10db9a4228ce2d38b5ae8de374443affected
LinuxLinux66898177e7e5486dc77a4ba742efa4e2e9e900a4 < 9186680382934b0e7529d3d70dcc0a21d087683baffected
LinuxLinux66898177e7e5486dc77a4ba742efa4e2e9e900a4 < c0ef0e75a858cbd8618b473f22fbca36106dcf82affected
LinuxLinux66898177e7e5486dc77a4ba742efa4e2e9e900a4 < bca19bb2dc2d89ce60c4a4a6e59609d4cf2e13efaffected
LinuxLinux66898177e7e5486dc77a4ba742efa4e2e9e900a4 < 2e1ec01af2c7139c6a600bbfaea1a018b35094b6affected
LinuxLinux66898177e7e5486dc77a4ba742efa4e2e9e900a4 < 8d0163cec7de995f9eb9c3128c83fb84f0cb1c64affected
LinuxLinux66898177e7e5486dc77a4ba742efa4e2e9e900a4 < e27ee2f607fe6a9b923ef1fc65461c0613c97594affected
LinuxLinux66898177e7e5486dc77a4ba742efa4e2e9e900a4 < b535917c51acc97fb0761b1edec85f1f3d02bda4affected
LinuxLinux3.2affected
LinuxLinux0 < 3.2unaffected
LinuxLinux4.4.294 <= 4.4.*unaffected
LinuxLinux4.9.292 <= 4.9.*unaffected
LinuxLinux4.14.257 <= 4.14.*unaffected
LinuxLinux4.19.219 <= 4.19.*unaffected
LinuxLinux5.4.163 <= 5.4.*unaffected
LinuxLinux5.10.83 <= 5.10.*unaffected
LinuxLinux5.15.6 <= 5.15.*unaffected
LinuxLinux5.16 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References