CVE-2026-68161
CVE-2026-68161: 1 tracked advisory record across Red Hat. Compare vendor sources.
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Red Hat
1 advisory- Advisory severityHigh7.0
High [CVE-2026-68161] close UDP tunnel sockets during netns teardown
CVE-2026-68161Source published Source updated
In the Linux kernel, the following vulnerability has been resolved: sctp: close UDP tunnel sockets during netns teardown proc_sctp_do_udp_port() starts per-net SCTP UDP tunneling sockets when net.sctp.udp_port is set, and stops/restarts them when the sysctl value changes. The netns exit path does not stop these sockets, so a namespace can be torn down while its SCTP UDP tunnel sockets are still installed. This prevents new sysctl writes from racing in while the sockets are being released, and closes the sockets before the control socket is destroyed. A flaw was found in the Linux kernel's SCTP (Stream Control Transmission Protocol) implementation. This oversight can lead to a resource leak, potentially resulting in a denial of service (DoS) condition due to resource exhaustion or…
- Affected products in this advisory
- Red Hat Enterprise Linux 10
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat package: kernel-rt
- Source-reported affected versions
- Affected-version details not available in this record.
- Source-reported fixed versions
- No fixed-version detail extracted. This does not mean no fix exists.
- Mitigation guidance
- No mitigation guidance extracted; consult the source.
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