CVE-2026-43339 — ipv6: prevent possible UaF in addrconf_permanent_addr()
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 …
Published: 2026-05-08 · CVSS: 7.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7