Baitaphish
Security intelligence
SearchLatest briefing
CVE Explorer

CVE-2026-43057

In the Linux kernel, the following vulnerability has been resolved: net: correctly handle tunneled traffic on IPV6_CSUM GSO fallback NETIF_F_IPV6_CSUM only advertises support for checksum offload of packets without IPv6 extension headers. Packets with extension headers must fall back onto software checksumming. Since TSO depends on checksum offload, those must revert to GSO. The below commit introduces that fallback. It always checks network header length. For tunneled packets, the inner head
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:06151d9369c70bc0f3a1984ef9c83ed7d0cef091d975c636e5ba74f722ab2caf
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 12 assertions

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/core/dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2094a7cf91b71367b649f991aacc7b579f793d0b","status":"affected","version":"a0478d7e888028f85fa7785ea838ce0ca09398e2","versionType":"git"},{"lessThan":"ed71cf465c75f5688b07a35d373cd1d6b589c8ea","status":"affected","version":"2156d9e9f2e483c8c3906c0ea57ea312c1424235","versionType":"git"},{"lessThan":"33670f780e0120c3dacda188c512bbffe0b6044c","status":"affected","version":"041e2f945f82fdbd6fff577b79c3346…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/cna/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/1

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/3

{"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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/6

{"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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/4

{"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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/0

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/7

{"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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/8

{"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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/2

{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/9

{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/5

{"defaultStatus":"affected","product":"Linux","programFiles":["net/core/dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.134","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.81","versionType":"semver"},{"lessThanOrEqual":…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/cna/affected/1

Affected products and versions

12 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/core/dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"2094a7cf91b71367b649f991aacc7b579f793d0b","status":"affected","version":"a0478d7e888028f85fa7785ea838ce0ca09398e2","versionType":"git"},{"lessThan":"ed71cf465c75f5688b07a35d373cd1d6b589c8ea","status":"affected","version":"2156d9e9f2e483c8c3906c0ea57ea312c1424235","versionType":"git"},{"lessThan":"33670f780e0120c3dacda188c512bbffe0b6044c","status":"affected","version":"041e2f945f82fdbd6fff577b79c3346…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/3
{"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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/6
{"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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/4
{"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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/7
{"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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/8
{"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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/2
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/9
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/affected/5
{"defaultStatus":"affected","product":"Linux","programFiles":["net/core/dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.134","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.81","versionType":"semver"},{"lessThanOrEqual":…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /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:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/references/1
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/2094a7cf91b71367b649f991aacc7b579f793d0b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/33670f780e0120c3dacda188c512bbffe0b6044c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/732fdeb2987c94b439d51f5cb9addddc2fc48c42"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/a98b78116a27e2a57b696b569b2cb431c95cf9b6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/c4336a07eb6b2526dc2b62928b5104b41a7f81f5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/ed71cf465c75f5688b07a35d373cd1d6b589c8ea"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:cfd274f2a14135b841e359a278bc282992e78bc09368806c53fad15af47ba5be · sha256:31effdcf5eae2035… · /containers/cna/references/1

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.

← Back to CVE Explorer