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CVE-2026-31403

In the Linux kernel, the following vulnerability has been resolved: NFSD: Hold net reference for the lifetime of /proc/fs/nfs/exports fd The /proc/fs/nfs/exports proc entry is created at module init and persists for the module's lifetime. exports_proc_open() captures the caller's current network namespace and stores its svc_export_cache in seq->private, but takes no reference on the namespace. If the namespace is subsequently torn down (e.g. container destruction after the opener does setns()
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:ba74edf04af17237db236a8ce2c64500bdc71be44c9308b8e9f14cfdf068f73e
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 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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/3

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/8

{"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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/0

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/nfsd/nfsctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"76740c28050dc6db2f5550f1325b00a11bbb3255","status":"affected","version":"96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5","versionType":"git"},{"lessThan":"c7f406fb341d6747634b8b1fa5461656e5e56076","status":"affected","version":"96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5","versionType":"git"},{"lessThan":"d1a19217995df9c7e4118f5a2820c5032fef2945","status":"affected","version":"96d851c4d28de8cc83fe2bd5c6bc2…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/cna/affected/0

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/5

{"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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/6

{"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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/9

{"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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/1

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/nfsd/nfsctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.9"},{"lessThan":"3.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual"…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/4

Affected products and versions

12 source assertions
{"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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/3
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/8
{"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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/0
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/nfsd/nfsctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"76740c28050dc6db2f5550f1325b00a11bbb3255","status":"affected","version":"96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5","versionType":"git"},{"lessThan":"c7f406fb341d6747634b8b1fa5461656e5e56076","status":"affected","version":"96d851c4d28de8cc83fe2bd5c6bc2eb8f253a6c5","versionType":"git"},{"lessThan":"d1a19217995df9c7e4118f5a2820c5032fef2945","status":"affected","version":"96d851c4d28de8cc83fe2bd5c6bc2…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/cna/affected/0
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/5
{"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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/6
{"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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/9
{"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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/1
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/nfsd/nfsctl.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.9"},{"lessThan":"3.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.253","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.167","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.130","versionType":"semver"},{"lessThanOrEqual"…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/affected/4

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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/cna/metrics/0/cvssV3_1

Source references

9 source assertions
{"url":"https://cert-portal.siemens.com/productcert/html/ssa-019113.html"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /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:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/6a8d70e2ad6aad2c345a5048edcb8168036f97d6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/76740c28050dc6db2f5550f1325b00a11bbb3255"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/c7f406fb341d6747634b8b1fa5461656e5e56076"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/d1a19217995df9c7e4118f5a2820c5032fef2945"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/db4a9f99b12a7ee1c19d86c83a3b752c7effa6c6"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/cna/references/4
{"url":"https://git.kernel.org/stable/c/e3d77f935639e6ae4b381c80464c31df998d61f4"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/e7fcf179b82d3a3730fd8615da01b087cc654d0b"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:506024a05587c7847e54063d97185455a58a70ab5e6ac3a806e4292c23cde31e · sha256:e665ba5ab82036b7… · /containers/cna/references/6

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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