CVE-2021-47149
net: fujitsu: fix potential null-ptr-deref
MEDIUM 5.5
At a glance
- Source
- NVD
- EPSS
- EPSS 0.23 % · percentile 13 ()
- State
- PUBLISHED
- Published
- Updated
- Assigner
- Linux
- NVD status
- Analyzed
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.
Weaknesses (CWE)
- CWE-476 — NULL Pointer Dereference
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
Scores
| Version | Score | Vector | Scored by |
|---|---|---|---|
| CVSS 3.1 | MEDIUM 5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H | NVD · nvd@nist.gov (Primary) |
European references
- ENISA EUVD · EUVD-2021-33797
- GCVE · GCVE-0-2021-47149
CERT-FR advisories
- CERTFR-2025-AVI-1008 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0922 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2025-AVI-0843 — Multiples vulnérabilités dans le noyau Linux d'Ubuntu · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0458 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0440 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
- CERTFR-2024-AVI-0420 — Multiples vulnérabilités dans le noyau Linux de SUSE · cert.ssi.gouv.fr
Affected configurations (NVD CPE)
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*< 4.4.271cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.5 < 4.9.271cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.10 < 4.14.235cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.15 < 4.19.193cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 4.20 < 5.4.124cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.5 < 5.10.42cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*≥ 5.11 < 5.12.9cpe:2.3:o:linux:linux_kernel:5.13:rc1:*:*:*:*:*:*cpe:2.3:o:linux:linux_kernel:5.13:rc2:*:*:*:*:*:*
Affected products
| Product | Versions |
|---|---|
| Linux · Linux | affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < b92170e209f7746ed72eaac98f2c2f4b9af734e6 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 6dbf1101594f7c76990b63c35b5a40205a914b6b ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < c4f1c23edbe921ab2ecd6140d700e756cd44c5f7 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 7883d3895d0fbb0ba9bff0f8665f99974b45210f ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 22049c3d40f08facd1867548716a484dad6b3251 ; affected 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 < 71723a796ab7881f491d663c6cd94b29be5fba50 |
| Linux · Linux | affected 2.6.12 ; unaffected 0 < 2.6.12 ; unaffected 4.4.271 ≤ 4.4.* ; unaffected 4.9.271 ≤ 4.9.* ; unaffected 4.14.235 ≤ 4.14.* ; unaffected 4.19.193 ≤ 4.19.* |
Sources
| Source | Licence |
|---|---|
| CVE List (CVEProject cvelistV5) | CVE Program Terms of Use |
| EPSS (FIRST.org) | FIRST — attribution requested |
| ENISA EUVD | ENISA — reproduction authorised, source acknowledged |
| CERT-FR (ANSSI) | Licence Ouverte / Etalab 2.0 |
| NVD (NIST) via fkie-cad/nvd-json-data-feeds | Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD |