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CVE-2026-53070

In the Linux kernel, the following vulnerability has been resolved: sctp: disable BH before calling udp_tunnel_xmit_skb() udp_tunnel_xmit_skb() / udp_tunnel6_xmit_skb() are expected to run with BH disabled. After commit 6f1a9140ecda ("add xmit recursion limit to tunnel xmit functions"), on the path: udp(6)_tunnel_xmit_skb() -> ip(6)tunnel_xmit() dev_xmit_recursion_inc()/dec() must stay balanced on the same CPU. Without local_bh_disable(), the context may move between CPUs, which can brea
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:bb980ce68875587f13ddeb4d3f3961cf41b88e7f823e8607a27fa1cc7683b4dc
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sctp/ipv6.c","net/sctp/protocol.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"be3bfcb34bda04f6a350710db471d4133f950f2c","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"},{"lessThan":"0de7db2eb27e82b983157016fa604b1ba664ae5f","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"},{"lessThan":"790093245e35040c2adb15f48970020425aa3f47","status":"affected","version":"046c052b…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b16f657ca89fd58bd25ca5a13ddf66a2d057a1640b2ffea0f5d558f292d2f07d · sha256:c57d988c4d1090d3… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/sctp/ipv6.c","net/sctp/protocol.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.11"},{"lessThan":"5.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.95","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.37","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semve…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b16f657ca89fd58bd25ca5a13ddf66a2d057a1640b2ffea0f5d558f292d2f07d · sha256:c57d988c4d1090d3… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/sctp/ipv6.c","net/sctp/protocol.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"be3bfcb34bda04f6a350710db471d4133f950f2c","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"},{"lessThan":"0de7db2eb27e82b983157016fa604b1ba664ae5f","status":"affected","version":"046c052b475e7119b6a30e3483e2888fc606a2f8","versionType":"git"},{"lessThan":"790093245e35040c2adb15f48970020425aa3f47","status":"affected","version":"046c052b…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b16f657ca89fd58bd25ca5a13ddf66a2d057a1640b2ffea0f5d558f292d2f07d · sha256:c57d988c4d1090d3… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/sctp/ipv6.c","net/sctp/protocol.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.11"},{"lessThan":"5.11","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.95","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.37","versionType":"semver"},{"lessThanOrEqual":"7.0.*","status":"unaffected","version":"7.0.10","versionType":"semve…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:b16f657ca89fd58bd25ca5a13ddf66a2d057a1640b2ffea0f5d558f292d2f07d · sha256:c57d988c4d1090d3… · /containers/cna/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:b16f657ca89fd58bd25ca5a13ddf66a2d057a1640b2ffea0f5d558f292d2f07d · sha256:c57d988c4d1090d3… · /containers/cna/metrics/0/cvssV3_1

Source references

4 source assertions
{"url":"https://git.kernel.org/stable/c/0de7db2eb27e82b983157016fa604b1ba664ae5f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b16f657ca89fd58bd25ca5a13ddf66a2d057a1640b2ffea0f5d558f292d2f07d · sha256:c57d988c4d1090d3… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/2cd7e6971fc2787408ceef17906ea152791448cf"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b16f657ca89fd58bd25ca5a13ddf66a2d057a1640b2ffea0f5d558f292d2f07d · sha256:c57d988c4d1090d3… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/790093245e35040c2adb15f48970020425aa3f47"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b16f657ca89fd58bd25ca5a13ddf66a2d057a1640b2ffea0f5d558f292d2f07d · sha256:c57d988c4d1090d3… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/be3bfcb34bda04f6a350710db471d4133f950f2c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:b16f657ca89fd58bd25ca5a13ddf66a2d057a1640b2ffea0f5d558f292d2f07d · sha256:c57d988c4d1090d3… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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