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CVE-2026-80996 Details

Description

In the Linux kernel, the following vulnerability has been resolved: net: l2tp: do not propagate multicast notification errors The tunnel create, tunnel modify, session create, and session modify netlink handlers send multicast notifications through helpers that can fail while allocating or encoding a message, or while multicasting it. For tunnel and session create/modify, a notification is sent after the live operation has completed. Returning a best-effort notification error as the command result can therefore report failure for an operation that already committed and can cause callers to retry and accumulate live objects. Keep sending notifications for listener visibility, but do not propagate their best-effort status as the command result. This also keeps the tunnel modify command consistent with the other notification-only paths.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://git.kernel.org/stable/c/0fe037d5eaad938aa3e9143ee071aa237750b42b	kernel.org
https://git.kernel.org/stable/c/50c4038f1670bf9a80c6a58ae83d1602decd8481	kernel.org
https://git.kernel.org/stable/c/9c340473f4822bb31b151c19afd17448eda5acd1	kernel.org
https://git.kernel.org/stable/c/af20e269f7459d2ce69887fdf2fad7caf986c865	kernel.org

Weakness Enumeration

No weakness enumeration is available for this CVE.

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes