Unrated severityNVD Advisory· Published Feb 27, 2025· Updated Nov 3, 2025
net: davicom: fix UAF in dm9000_drv_remove
CVE-2025-21715
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.
Affected products
3- Linux/Linuxv5Range: 5.12
Patches
0No patches discovered yet.
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- git.kernel.org/stable/c/19e65c45a1507a1a2926649d2db3583ed9d55fd9mitre
- git.kernel.org/stable/c/2013c95df6752d9c88221d0f0f37b6f197969390mitre
- git.kernel.org/stable/c/5a54367a7c2378c65aaa4d3cfd952f26adef7aa7mitre
- git.kernel.org/stable/c/7d7d201eb3b766abe590ac0dda7a508b7db3e357mitre
- git.kernel.org/stable/c/a53cb72043443ac787ec0b5fa17bb3f8ff3d462bmitre
- git.kernel.org/stable/c/c411f9a5fdc9158e8f7c57eac961d3df3eb4d8camitre
- git.kernel.org/stable/c/c94ab07edc2843e2f3d46dbd82e5c681503aaadfmitre
- git.kernel.org/stable/c/db79e982c5f9e39ab710cbce55b05f2f5e6f1ca9mitre
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