CVE-2021-47442

Summary

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

NFC: digital: fix possible memory leak in digital_in_send_sdd_req()

'skb' is allocated in digital_in_send_sdd_req(), but not free when digital_in_send_cmd() failed, which will cause memory leak. Fix it by freeing 'skb' if digital_in_send_cmd() return failed.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux2c66daecc4092e6049673c281b2e6f0d5e59a94c < 74569c78aa84f8c958f1334b465bc530906ec99aaffected
LinuxLinux2c66daecc4092e6049673c281b2e6f0d5e59a94c < 88c890b0b9a1fb9fcd01c61ada515e8b636c34f9affected
LinuxLinux2c66daecc4092e6049673c281b2e6f0d5e59a94c < fcce6e5255474ca33c27dda0cdf9bf5087278873affected
LinuxLinux2c66daecc4092e6049673c281b2e6f0d5e59a94c < 071bdef36391958c89af5fa2172f691b31baa212affected
LinuxLinux2c66daecc4092e6049673c281b2e6f0d5e59a94c < 2bde4aca56db9fe25405d39ddb062531493a65dbaffected
LinuxLinux2c66daecc4092e6049673c281b2e6f0d5e59a94c < 50cb95487c265187289810addec5093d4fed8329affected
LinuxLinux2c66daecc4092e6049673c281b2e6f0d5e59a94c < 6432d7f1d1c3aa74cfe8f5e3afdf81b786c32e86affected
LinuxLinux2c66daecc4092e6049673c281b2e6f0d5e59a94c < 291c932fc3692e4d211a445ba8aa35663831bac7affected
LinuxLinux3.13affected
LinuxLinux0 < 3.13unaffected
LinuxLinux4.4.290 <= 4.4.*unaffected
LinuxLinux4.9.288 <= 4.9.*unaffected
LinuxLinux4.14.252 <= 4.14.*unaffected
LinuxLinux4.19.213 <= 4.19.*unaffected
LinuxLinux5.4.155 <= 5.4.*unaffected
LinuxLinux5.10.75 <= 5.10.*unaffected
LinuxLinux5.14.14 <= 5.14.*unaffected
LinuxLinux5.15 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

CVE Program Container

Additional References

References