5.5

CVE-2021-47149

net: fujitsu: fix potential null-ptr-deref

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Linux ≫ Linux Kernel Version < 4.4.271
Linux ≫ Linux Kernel Version >= 4.5 < 4.9.271
Linux ≫ Linux Kernel Version >= 4.10 < 4.14.235
Linux ≫ Linux Kernel Version >= 4.15 < 4.19.193
Linux ≫ Linux Kernel Version >= 4.20 < 5.4.124
Linux ≫ Linux Kernel Version >= 5.5 < 5.10.42
Linux ≫ Linux Kernel Version >= 5.11 < 5.12.9
Linux ≫ Linux Kernel Version5.13 Updaterc1
Linux ≫ Linux Kernel Version5.13 Updaterc2
VulnDex Vulnerability Enrichment
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Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.23% 0.13
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
nvd@nist.gov 5.5 1.8 3.6
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CWE-476 NULL Pointer Dereference

The product dereferences a pointer that it expects to be valid but is NULL.

https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251
Patch
https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e
Patch
https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b
Patch
https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50
Patch
https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f
Patch
https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6
Patch
https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7
Patch
https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6
Patch