CVE-2025-21715
net: davicom: fix UAF in dm9000_drv_remove
概要
net: davicom: fix UAF in dm9000_drv_remove
原文の説明
取得元が公開している説明をそのまま載せています (多くは英語)。
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.
影響パッケージ
Linux
Kernel
[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.4.291"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.235"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.179"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.12.0"},{"fixed":"6.1.129"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.6.76"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.12.13"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.13.2"}]}]
ディストリビューション別の修正状況
各ディストリビューションが公開している、この CVE の修正パッケージ
- BellSoft Alpaquita BELL-CVE-2025-21715 linux-lts 修正版: 6.1.130-r0
- Debian DEBIAN-CVE-2025-21715 linux 修正版: 5.10.237-1
- Ubuntu UBUNTU-CVE-2025-21715 linux-aws 修正版: 4.4.0-1150.156
参照URL
- advisory github.com
- advisory nvd.nist.gov
- package git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web git.kernel.org
- web lists.debian.org
- web lists.debian.org