CVE-2026-43339
In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UaF in addrconf_permanent_addr() The mentioned helper try to warn the user about an exceptional condition, but the message is delivered too late, accessing the ipv6 after its possible deletion. Reorder the statement to avoid the possible UaF; while at it, place the warning outside the idev->lock as it needs no protection.
Słabość
In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent possible UaF in addrconf_permanent_addr() The mentioned helper try to warn the user about an exceptional condition, but the message is delivered too late, accessing the ipv6 after its possible deletion. Reorder the statement to avoid the possible UaF; while at it, place the warning outside the idev->lock as it needs no protection.
Produkty, których dotyczy
- linux linux_kernel
Źródła
- https://git.kernel.org/stable/c/25357b670afb5b517096da783abaa5cc4bf8359e
- https://git.kernel.org/stable/c/2d88ed7fa000e19c2dc0fa31b3a849e3f5bca5c1
- https://git.kernel.org/stable/c/3cd4efb5df72843dfac892d0b3c7a4a8bd926b65
- https://git.kernel.org/stable/c/7bfafa1b0cd582983ebec6bb20f0a435528fe567
- https://git.kernel.org/stable/c/7d9f2f4aabd116ca68fbdab5d8fb8dac74c2ea1e
- https://git.kernel.org/stable/c/bacc7f31085c9820922f00bc7d79756ffa13123a
Znajdź błąd, zanim zrobi to atakujący.
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