Vulnerability Details : CVE-2021-47149
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.
Vulnerability category: Memory Corruption
Products affected by CVE-2021-47149
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-47149
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 5 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-47149
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
1.8
|
3.6
|
NIST | 2024-12-12 |
5.5
|
MEDIUM | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
N/A
|
N/A
|
RedHat-CVE-2021-47149 | 2024-03-25 |
CWE ids for CVE-2021-47149
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by: nvd@nist.gov (Primary)
References for CVE-2021-47149
-
https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50
net: fujitsu: fix potential null-ptr-deref - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e
net: fujitsu: fix potential null-ptr-deref - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7
net: fujitsu: fix potential null-ptr-deref - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6
net: fujitsu: fix potential null-ptr-deref - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6
net: fujitsu: fix potential null-ptr-deref - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f
net: fujitsu: fix potential null-ptr-deref - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251
net: fujitsu: fix potential null-ptr-deref - kernel/git/stable/linux.git - Linux kernel stable treePatch
-
https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b
net: fujitsu: fix potential null-ptr-deref - kernel/git/stable/linux.git - Linux kernel stable treePatch
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