CVE-2026-53233
netdev: fix double-free in netdev_nl_bind_rx_doit()
CVSS Score
0.0
EPSS Score
0.0%
EPSS Percentile
0th
In the Linux kernel, the following vulnerability has been resolved: netdev: fix double-free in netdev_nl_bind_rx_doit() Sashiko flags that genlmsg_reply() always consumes the skb. The error path calls nlmsg_free(rsp) so we can't jump directly to it. Let's not unbind, just propagate the error to the user. This is the typical way of handling genlmsg_reply() failures. They shouldn't happen unless user does something silly like calling the kernel with an already-full rcvbuf.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | Jun 25, 2026 |
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Affected Versions
Linux / Linux
170aafe35cb98e0f3fbacb446ea86389fbce22ea < e055ca9205d3eb6aec3e5fe4ecc18abbbf18c599 170aafe35cb98e0f3fbacb446ea86389fbce22ea < c299321bc6232770ce378d6fa6bc46004d2d7fdb 170aafe35cb98e0f3fbacb446ea86389fbce22ea < 9b019376cbee10c4f9184d1745fa37d156e36f30 170aafe35cb98e0f3fbacb446ea86389fbce22ea < c849de7d8757a7af801fc4a4058f71d481d367f2
Linux / Linux
6.12
References
git.kernel.org: https://git.kernel.org/stable/c/e055ca9205d3eb6aec3e5fe4ecc18abbbf18c599 git.kernel.org: https://git.kernel.org/stable/c/c299321bc6232770ce378d6fa6bc46004d2d7fdb git.kernel.org: https://git.kernel.org/stable/c/9b019376cbee10c4f9184d1745fa37d156e36f30 git.kernel.org: https://git.kernel.org/stable/c/c849de7d8757a7af801fc4a4058f71d481d367f2