5.5
MEDIUM CVSS 3.1
CVE-2021-47149
Fujitsu Network Device Null Pointer Deref 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.

INFO

Published Date :

March 25, 2024, 9:15 a.m.

Last Modified :

Dec. 12, 2024, 3:40 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2021-47149 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM [email protected]
Solution
This vulnerability can be resolved by updating the Linux kernel.
  • Update the Linux kernel to a patched version.
  • Reboot the system after the update.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-47149 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-47149 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-47149 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-47149 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Dec. 12, 2024

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
    Added CWE NIST CWE-476
    Added CPE Configuration OR *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions up to (excluding) 4.4.271 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.5 up to (excluding) 4.9.271 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.10 up to (excluding) 4.14.235 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.15 up to (excluding) 4.19.193 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 4.20 up to (excluding) 5.4.124 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.5 up to (excluding) 5.10.42 *cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* versions from (including) 5.11 up to (excluding) 5.12.9 *cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:* *cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
    Changed Reference Type https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251 No Types Assigned https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251 Patch
    Changed Reference Type https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251 No Types Assigned https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251 Patch
    Changed Reference Type https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e No Types Assigned https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e Patch
    Changed Reference Type https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e No Types Assigned https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e Patch
    Changed Reference Type https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b No Types Assigned https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b Patch
    Changed Reference Type https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b No Types Assigned https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b Patch
    Changed Reference Type https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50 No Types Assigned https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50 Patch
    Changed Reference Type https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50 No Types Assigned https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50 Patch
    Changed Reference Type https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f No Types Assigned https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f Patch
    Changed Reference Type https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f No Types Assigned https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f Patch
    Changed Reference Type https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6 No Types Assigned https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6 Patch
    Changed Reference Type https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6 No Types Assigned https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6 Patch
    Changed Reference Type https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7 No Types Assigned https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7 Patch
    Changed Reference Type https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7 No Types Assigned https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7 Patch
    Changed Reference Type https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6 No Types Assigned https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6 Patch
    Changed Reference Type https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6 No Types Assigned https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6 Patch
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Nov. 21, 2024

    Action Type Old Value New Value
    Added Reference https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251
    Added Reference https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e
    Added Reference https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b
    Added Reference https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50
    Added Reference https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f
    Added Reference https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6
    Added Reference https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7
    Added Reference https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 28, 2024

    Action Type Old Value New Value
  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Mar. 25, 2024

    Action Type Old Value New Value
    Added 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.
    Added Reference kernel.org https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6 [No types assigned]
    Added Reference kernel.org https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e [No types assigned]
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 5.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact