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CVE-2026-31507

In the Linux kernel, the following vulnerability has been resolved: net/smc: fix double-free of smc_spd_priv when tee() duplicates splice pipe buffer smc_rx_splice() allocates one smc_spd_priv per pipe_buffer and stores the pointer in pipe_buffer.private. The pipe_buf_operations for these buffers used .get = generic_pipe_buf_get, which only increments the page reference count when tee(2) duplicates a pipe buffer. The smc_spd_priv pointer itself was not handled, so after tee() both the origin
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:fb0d44e0dfde2d61ba8ad79dff0f76027320709b97acf7365ec4fc5f125b989e
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":"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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/6

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/5

{"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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/8

{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/smc/smc_rx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7e8916f46c2f48607f907fd401590093753a6bc5","status":"affected","version":"9014db202cb764b8e14c53e7bacc81f9a1a2ba7f","versionType":"git"},{"lessThan":"ae5575e660410c8d2c5d38fb28a0f37aea945676","status":"affected","version":"9014db202cb764b8e14c53e7bacc81f9a1a2ba7f","versionType":"git"},{"lessThan":"98ba5cb274768146e25ffbfde47753652c1c20d3","status":"affected","version":"9014db202cb764b8e14c53e7bacc8…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["net/smc/smc_rx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.18"},{"lessThan":"4.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEq…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/3

{"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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/9

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/7

{"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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/2

{"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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/1

Affected products and versions

12 source assertions
{"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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/6
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/5
{"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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/8
{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/smc/smc_rx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"7e8916f46c2f48607f907fd401590093753a6bc5","status":"affected","version":"9014db202cb764b8e14c53e7bacc81f9a1a2ba7f","versionType":"git"},{"lessThan":"ae5575e660410c8d2c5d38fb28a0f37aea945676","status":"affected","version":"9014db202cb764b8e14c53e7bacc81f9a1a2ba7f","versionType":"git"},{"lessThan":"98ba5cb274768146e25ffbfde47753652c1c20d3","status":"affected","version":"9014db202cb764b8e14c53e7bacc8…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["net/smc/smc_rx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"4.18"},{"lessThan":"4.18","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.203","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.168","versionType":"semver"},{"lessThanOrEq…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/3
{"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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/9
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/7
{"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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/2
{"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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/affected/1

Provider-owned CVSS observations

1 source assertion
{"metric":{"baseScore":7.8,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/metrics/0/cvssV3_1

Source references

10 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /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:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/24dd586bb4cbba1889a50abe74143817a095c1c9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/3cc76380fea749280c026f410af56a28aaac388a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/54c87a730157868543ebdfa0ecb21b4590ed23a5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/7bcb974c771c863e8588cea0012ac204443a7126"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/7e8916f46c2f48607f907fd401590093753a6bc5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/81acbd345d405994875d419d43b319fee0b9ad62"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/98ba5cb274768146e25ffbfde47753652c1c20d3"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/ae5575e660410c8d2c5d38fb28a0f37aea945676"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:8fa12b2e1a3ab00cfd9dfe70b6ea946b6b551163cd46e3d4e41bb2655b321007 · sha256:f658e248460b44aa… · /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.

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