CVE-2026-43339
Published: May 8, 2026
Modified: May 11, 2026
CVSS v3.1
7.8
Description
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.
| Vendor | Product | Versions |
|---|---|---|
Linux | Linux | affected f1705ec197e705b79ea40fe7a2cc5acfa1d3bfac - < eec49a33611f20336b357b3953df44f1a02049e8affected f1705ec197e705b79ea40fe7a2cc5acfa1d3bfac - < bacc7f31085c9820922f00bc7d79756ffa13123aaffected f1705ec197e705b79ea40fe7a2cc5acfa1d3bfac - < 7bfafa1b0cd582983ebec6bb20f0a435528fe567affected f1705ec197e705b79ea40fe7a2cc5acfa1d3bfac - < 7d9f2f4aabd116ca68fbdab5d8fb8dac74c2ea1eaffected f1705ec197e705b79ea40fe7a2cc5acfa1d3bfac - < 25357b670afb5b517096da783abaa5cc4bf8359e+3 more versions |
Linux | Linux | affected 4.6unaffected 0 - < 4.6unaffected 5.10.253 - <= 5.10.*unaffected 5.15.203 - <= 5.15.*unaffected 6.1.168 - <= 6.1.*+5 more versions |
CVSS v3.1 Details
CVSS v3.1 Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
References
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