Vulnerability · Published Mar 25, 2024 · Assigned by Linux
CVE-2021-47149net: fujitsu: fix potential null-ptr-deref
Medium 5.5
In plain English
A medium-severity security flaw in Linux from Linux. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 13% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)5.5Medium
Exploit odds (30 days)0.2%top 86.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | linux | 5.14.6-1 | DEBIAN-CVE-2021-47149 |
| Debian:13 | linux | 5.14.6-1 | DEBIAN-CVE-2021-47149 |
| Debian:14 | linux | 5.14.6-1 | DEBIAN-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-allwinner-5.19 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-aws-5.19 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-aws-6.2 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-azure-5.19 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-azure-6.2 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-azure-fde-5.19 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-azure-fde-6.2 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-gcp-5.19 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-gcp-6.2 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-hwe-5.19 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-hwe-6.2 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-intel-iot-realtime | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-5.19 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-lowlatency-hwe-6.2 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-nvidia-6.2 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-oem-5.17 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-oem-6.0 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-oem-6.1 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:24.04:LTS | linux-raspi-realtime | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-realtime | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-riscv | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-riscv-5.19 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-starfive-5.19 | no fix listed | UBUNTU-CVE-2021-47149 |
| Ubuntu:22.04:LTS | linux-starfive-6.2 | no fix listed | UBUNTU-CVE-2021-47149 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux | 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before b92170e209f7746ed72eaac98f2c2f4b9af734e61da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 6dbf1101594f7c76990b63c35b5a40205a914b6b1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before c4f1c23edbe921ab2ecd6140d700e756cd44c5f71da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 7883d3895d0fbb0ba9bff0f8665f99974b45210f1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 22049c3d40f08facd1867548716a484dad6b32511da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 71723a796ab7881f491d663c6cd94b29be5fba501da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before f14bf57a08779a5dee9936f63ada0149ea89c5e61da177e4c3f41524e886b7f1b8a0c1fc7321cac2 – before 52202be1cd996cde6e8969a128dc27ee45a7cb5e |
| Linux | Linux | 2.6.12 |
References
- https://git.kernel.org/stable/c/b92170e209f7746ed72eaac98f2c2f4b9af734e6
- https://git.kernel.org/stable/c/6dbf1101594f7c76990b63c35b5a40205a914b6b
- https://git.kernel.org/stable/c/c4f1c23edbe921ab2ecd6140d700e756cd44c5f7
- https://git.kernel.org/stable/c/7883d3895d0fbb0ba9bff0f8665f99974b45210f
- https://git.kernel.org/stable/c/22049c3d40f08facd1867548716a484dad6b3251
- https://git.kernel.org/stable/c/71723a796ab7881f491d663c6cd94b29be5fba50
- https://git.kernel.org/stable/c/f14bf57a08779a5dee9936f63ada0149ea89c5e6
- https://git.kernel.org/stable/c/52202be1cd996cde6e8969a128dc27ee45a7cb5e