Vulnerability Description
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.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | < 4.4.271 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251Patch
- https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5ePatch
- https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6bPatch
- https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50Patch
- https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210fPatch
- https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6Patch
- https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7Patch
- https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6Patch
- https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251Patch
- https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5ePatch
- https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6bPatch
- https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50Patch
- https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210fPatch
- https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6Patch
- https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7Patch
FAQ
What is CVE-2021-47149?
CVE-2021-47149 is a vulnerability with a CVSS score of 5.5 (MEDIUM). 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...
How severe is CVE-2021-47149?
CVE-2021-47149 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-47149?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.