NULL Pointer Dereference Affecting kernel-tools package, versions *
Threat Intelligence
EPSS
0.04% (15th
percentile)
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Test your applications- Snyk ID SNYK-RHEL8-KERNELTOOLS-6488458
- published 26 Mar 2024
- disclosed 25 Mar 2024
Introduced: 25 Mar 2024
CVE-2021-47149 Open this link in a new tabHow to fix?
There is no fixed version for RHEL:8 kernel-tools.
NVD Description
Note: Versions mentioned in the description apply only to the upstream kernel-tools package and not the kernel-tools package as distributed by RHEL.
See How to fix? for RHEL:8 relevant fixed versions and status.
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.
References
- https://access.redhat.com/security/cve/CVE-2021-47149
- https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251
- https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e
- https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b
- https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50
- https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f
- https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6
- https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7
- https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6
CVSS Scores
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