Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: net: davicom: fix UAF in dm9000_drv_remove dm is netdev private data and it cannot be used after free_netdev() call. Using dm after free_netdev() can cause UAF bug. Fix it by moving free_netdev() at the end of the function. This is similar to the issue fixed in commit ad297cd2db89 ("net: qcom/emac: fix UAF in emac_remove"). This bug is detected by our static analysis tool.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Linux | Linux Kernel | >= 4.4.262, < 4.5 |
Related Weaknesses (CWE)
References
- https://git.kernel.org/stable/c/19e65c45a1507a1a2926649d2db3583ed9d55fd9Patch
- https://git.kernel.org/stable/c/2013c95df6752d9c88221d0f0f37b6f197969390Patch
- https://git.kernel.org/stable/c/5a54367a7c2378c65aaa4d3cfd952f26adef7aa7Patch
- https://git.kernel.org/stable/c/7d7d201eb3b766abe590ac0dda7a508b7db3e357Patch
- https://git.kernel.org/stable/c/a53cb72043443ac787ec0b5fa17bb3f8ff3d462bPatch
- https://git.kernel.org/stable/c/c411f9a5fdc9158e8f7c57eac961d3df3eb4d8caPatch
- https://git.kernel.org/stable/c/c94ab07edc2843e2f3d46dbd82e5c681503aaadfPatch
- https://git.kernel.org/stable/c/db79e982c5f9e39ab710cbce55b05f2f5e6f1ca9Patch
- https://lists.debian.org/debian-lts-announce/2025/03/msg00028.html
- https://lists.debian.org/debian-lts-announce/2025/05/msg00030.html
FAQ
What is CVE-2025-21715?
CVE-2025-21715 is a vulnerability with a CVSS score of 7.8 (HIGH). In the Linux kernel, the following vulnerability has been resolved: net: davicom: fix UAF in dm9000_drv_remove dm is netdev private data and it cannot be used after free_netdev() call. Using dm afte...
How severe is CVE-2025-21715?
CVE-2025-21715 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2025-21715?
Check the references section above for vendor advisories and patch information. Affected products include: Linux Linux Kernel.