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CVE-2026-31447

In the Linux kernel, the following vulnerability has been resolved: ext4: reject mount if bigalloc with s_first_data_block != 0 bigalloc with s_first_data_block != 0 is not supported, reject mounting it.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:7df30403e72f71343b34d6a743fc58f0bed2492bf93a457e095d740e048548e3
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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/3

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/5

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/9

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/0

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ext4/super.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5ad6d994255e27a3254079dfb50ca861fc31f2d0","status":"affected","version":"281b59959707dfae03ce038cdf231bf4904e170c","versionType":"git"},{"lessThan":"3a926957cc95899ef88529710836edadc03c71a1","status":"affected","version":"281b59959707dfae03ce038cdf231bf4904e170c","versionType":"git"},{"lessThan":"7b58c110b4e1f028eb38eec9ed3555e9be81c8b0","status":"affected","version":"281b59959707dfae03ce038cdf231b…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/affected/0

{"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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/2

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ext4/super.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.2"},{"lessThan":"3.2","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"},{"lessThanOrEqual…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/affected/1

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/7

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

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/3
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/5
{"defaultStatus":"unknown","product":"SIPLUS S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/9
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.6","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/0
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/ext4/super.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"5ad6d994255e27a3254079dfb50ca861fc31f2d0","status":"affected","version":"281b59959707dfae03ce038cdf231bf4904e170c","versionType":"git"},{"lessThan":"3a926957cc95899ef88529710836edadc03c71a1","status":"affected","version":"281b59959707dfae03ce038cdf231bf4904e170c","versionType":"git"},{"lessThan":"7b58c110b4e1f028eb38eec9ed3555e9be81c8b0","status":"affected","version":"281b59959707dfae03ce038cdf231b…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/affected/0
{"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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/2
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/ext4/super.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"3.2"},{"lessThan":"3.2","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"},{"lessThanOrEqual…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/affected/1
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518F-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/affected/7
{"defaultStatus":"unknown","product":"SIMATIC S7-1500 CPU 1518-4 PN/DP MFP","vendor":"Siemens","versions":[{"lessThan":"*","status":"affected","version":"V3.1.5","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /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:N/UI:R/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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /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:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/adp/0/references/0
{"url":"https://git.kernel.org/stable/c/3822743dc20386d9897e999dbb990befa3a5b3f8"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/references/7
{"url":"https://git.kernel.org/stable/c/3a926957cc95899ef88529710836edadc03c71a1"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/5ad6d994255e27a3254079dfb50ca861fc31f2d0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/7b58c110b4e1f028eb38eec9ed3555e9be81c8b0"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/7d5b04290156c3fc316eecc86a4f9d201ab7d44a"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/references/6
{"url":"https://git.kernel.org/stable/c/ad1f6d608f33f59d21a3d025615d6786a6443998"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/references/5
{"url":"https://git.kernel.org/stable/c/b77de3fceafbb39f30e4ff5dc986f863d5456417"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/references/3
{"url":"https://git.kernel.org/stable/c/d787d3ae96648dc14a3b7ca8fde817177e82c1c7"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:f3d023edc49565a7e904cb944a3c249b2bb1796587694dcd1ed880a5982b5fa8 · sha256:8092d3bc327b867a… · /containers/cna/references/4

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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