CVE-2021-47149

Summary

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

net: fujitsu: fix potential null-ptr-deref

In fmvj18x_get_hwinfo(), if ioremap fails there will be NULL pointer deref. To fix this, check the return value of ioremap and return -1 to the caller in case of failure.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b92170e209f7746ed72eaac98f2c2f4b9af734e6affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6dbf1101594f7c76990b63c35b5a40205a914b6baffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c4f1c23edbe921ab2ecd6140d700e756cd44c5f7affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7883d3895d0fbb0ba9bff0f8665f99974b45210faffected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 22049c3d40f08facd1867548716a484dad6b3251affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 71723a796ab7881f491d663c6cd94b29be5fba50affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < f14bf57a08779a5dee9936f63ada0149ea89c5e6affected
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 52202be1cd996cde6e8969a128dc27ee45a7cb5eaffected
LinuxLinux2.6.12affected
LinuxLinux0 < 2.6.12unaffected
LinuxLinux4.4.271 <= 4.4.*unaffected
LinuxLinux4.9.271 <= 4.9.*unaffected
LinuxLinux4.14.235 <= 4.14.*unaffected
LinuxLinux4.19.193 <= 4.19.*unaffected
LinuxLinux5.4.124 <= 5.4.*unaffected
LinuxLinux5.10.42 <= 5.10.*unaffected
LinuxLinux5.12.9 <= 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

References