CVE-2021-47310

Summary

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

net: ti: fix UAF in tlan_remove_one

priv is netdev private data and it cannot be used after free_netdev() call. Using priv after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa < a18a8d9cfbb112ad72e625372849adc3986fd6bfaffected
LinuxLinux1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa < c263ae8c7e4c482387de5e6c89e213f8173fe8b6affected
LinuxLinux1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa < 0538b0ab7d2c396e385694228c7cdcd2d2c514e9affected
LinuxLinux1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa < a0a817b2d308fac090a05cbbe80988e073ac5193affected
LinuxLinux1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa < b7e5563f2a7862a9e4796abb9908b092f677e3c1affected
LinuxLinux1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa < f2a062fcfe1d6f1b0a86fa76ae21c277d65f4405affected
LinuxLinux1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa < 93efab0ef2a607fff9166d447c4035f98b5db342affected
LinuxLinux1e0a8b13d35510e711fdf72e9a3e30bcb2bd49fa < 0336f8ffece62f882ab3012820965a786a983f70affected
LinuxLinux3.10affected
LinuxLinux0 < 3.10unaffected
LinuxLinux4.4.277 <= 4.4.*unaffected
LinuxLinux4.9.277 <= 4.9.*unaffected
LinuxLinux4.14.241 <= 4.14.*unaffected
LinuxLinux4.19.199 <= 4.19.*unaffected
LinuxLinux5.4.135 <= 5.4.*unaffected
LinuxLinux5.10.53 <= 5.10.*unaffected
LinuxLinux5.13.5 <= 5.13.*unaffected
LinuxLinux5.14 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References