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CVE-2026-23003

In the Linux kernel, the following vulnerability has been resolved: ip6_tunnel: use skb_vlan_inet_prepare() in __ip6_tnl_rcv() Blamed commit did not take care of VLAN encapsulations as spotted by syzbot [1]. Use skb_vlan_inet_prepare() instead of pskb_inet_may_pull(). [1] BUG: KMSAN: uninit-value in __INET_ECN_decapsulate include/net/inet_ecn.h:253 [inline] BUG: KMSAN: uninit-value in INET_ECN_decapsulate include/net/inet_ecn.h:275 [inline] BUG: KMSAN: uninit-value in IP6_ECN_decapsulate+
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:d8ba7b3f145cb029d102099b395ecd72621d05c43736f5fd71f5938b028a14a0
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 7 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv6/ip6_tunnel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f9c5c5b791d3850570796f9e067629474e613796","status":"affected","version":"a9bc32879a08f23cdb80a48c738017e39aea1080","versionType":"git"},{"lessThan":"64c71d60a21a9ed0a802483dcd422b5b24eb1abe","status":"affected","version":"af6b5c50d47ab43e5272ad61935d0ed2e264d3f0","versionType":"git"},{"lessThan":"9e1c8c2a33d0a7b1f637b5d0602fe56ed10166af","status":"affected","version":"d54e4da98bbfa8c257bdca94…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/affected/3

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/affected/1

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/affected/4

{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv6/ip6_tunnel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.8"},{"lessThan":"6.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.249","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.199","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.162","versionType":"semver"},{"lessThanO…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/affected/2

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/affected/0

Affected products and versions

7 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/ipv6/ip6_tunnel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"f9c5c5b791d3850570796f9e067629474e613796","status":"affected","version":"a9bc32879a08f23cdb80a48c738017e39aea1080","versionType":"git"},{"lessThan":"64c71d60a21a9ed0a802483dcd422b5b24eb1abe","status":"affected","version":"af6b5c50d47ab43e5272ad61935d0ed2e264d3f0","versionType":"git"},{"lessThan":"9e1c8c2a33d0a7b1f637b5d0602fe56ed10166af","status":"affected","version":"d54e4da98bbfa8c257bdca94…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/affected/3
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/affected/1
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/affected/4
{"defaultStatus":"affected","product":"Linux","programFiles":["net/ipv6/ip6_tunnel.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.8"},{"lessThan":"6.8","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.249","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.199","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.162","versionType":"semver"},{"lessThanO…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/affected/2
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/affected/0

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:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/metrics/0/cvssV3_1

Source references

8 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/adp/1/references/0
{"url":"https://git.kernel.org/stable/c/2f03dafea0a8096a2eb60f551218b360e5bab9a3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/64c71d60a21a9ed0a802483dcd422b5b24eb1abe"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/81c734dae203757fb3c9eee6f9896386940776bd"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/9e1c8c2a33d0a7b1f637b5d0602fe56ed10166af"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/b9f915340f25cae1562f18e1eb52deafca328414"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/df5ffde9669314500809bc498ae73d6d3d9519ac"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/f9c5c5b791d3850570796f9e067629474e613796"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:24d610533780a548dbf8acfec73e600133a0afbb7afc7639ba19c5569fc035f8 · sha256:aeb411075af1a260… · /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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