CVE-2026-97940

Severity: Important

Published: 2026-09-25

In the Linux kernel, the following vulnerability has been resolved: ipv6: fix fib6 walker UAF on seq stop ipv6_route_iter_active() treats a walker in FWS_U at the table root as already unlinked.

Exploit evidence

Exploit evidence not available

Last checked: 2026-10-19 12:02 UTC

References

Fix Status by Distribution

Fix evidence last checked: 2026-10-22 17:49 UTC

Fixed in:

Debian 12 (Bookworm)
- DLA-4841-1 · Published 2026-10-17
- DLA-4817-1 · Published 2026-10-04
Debian 13 (Trixie)
- DSA-6528-1 · Published 2026-09-29
Oracle Linux 10
- ELSA-2026-500374 · Published 2026-10-07
Oracle Linux 9
- ELSA-2026-500374 · Published 2026-10-07
SUSE Linux Enterprise Server 12 SP5
- SUSE-SU-2026:4687 · Published 2026-10-15
SUSE Linux Enterprise Server 15 SP7
- SUSE-SU-2026:4706 · Published 2026-10-16
- SUSE-SU-2026:4640 · Published 2026-10-13
SUSE Linux Enterprise Server 16
- SUSE-SU-2026:24235 · Published 2026-10-12
- SUSE-SU-2026:24197 · Published 2026-10-12

No fix evidence found:

AlmaLinux 10

AlmaLinux 8

AlmaLinux 9

Debian 11 (Bullseye)

Oracle Linux 8

Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 7 (Extended Lifecycle Support)

Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 9

Rocky Linux 10

Rocky Linux 8

Rocky Linux 9

SUSE Linux Enterprise Server 15 SP5

SUSE Linux Enterprise Server 15 SP6

Ubuntu 22.04 LTS (Jammy Jellyfish)

Ubuntu 24.04 LTS (Noble Numbat)

Ubuntu 25.04 (Plucky Puffin)

Ubuntu 25.10 (Questing Quokka)

Ubuntu 26.04 LTS (Resolute Raccoon)

Ubuntu 26.10 (Stonking Stingray)

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