CVE Explorer

CVE-2026-23100

In the Linux kernel, the following vulnerability has been resolved: mm/hugetlb: fix hugetlb_pmd_shared() Patch series "mm/hugetlb: fixes for PMD table sharing (incl. using mmu_gather)", v3. One functional fix, one performance regression fix, and two related comment fixes. I cleaned up my prototype I recently shared [1] for the performance fix, deferring most of the cleanups I had in the prototype to a later point. While doing that I identified the other things. The goal of this patch set

Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:b685251c8895d9a138034b7abfa483e62e445ee83968568bd400997cf6827b1d

Known exploited

Not asserted

Disputed

Stale source

Conflicts

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":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/5

{"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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/0

{"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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/3

{"defaultStatus":"affected","product":"Linux","programFiles":["include/linux/hugetlb.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.13"},{"lessThan":"6.13","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":"6.1.167","versionType":"semver"},{"lessT…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/7

{"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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/4

{"defaultStatus":"unaffected","product":"Linux","programFiles":["include/linux/hugetlb.h"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8ae48255bcb17b32436be97553dca848730d365f","status":"affected","version":"94b4b41d0cdf5cfd4d4325bc0e6e9e0d0e996133","versionType":"git"},{"lessThan":"bf3c2affe245cf831866ddc8f736ae6a22cdc11c","status":"affected","version":"8410996eb6fea116fe1483ed977aacf580eee7b4","versionType":"git"},{"lessThan":"5b2aec77f92265a9028c5f632bdd9af5b57ec3a3","status":"affected","version":"02333ac1c35370517a19a4…

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/6

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

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/8

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":"V3.1.5","versionType":"custom"}]}

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/5

{"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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/0

{"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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/3

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/7

{"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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/4

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/6

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

cve_program_cvelist_v5affected
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/affected/8

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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /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:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/adp/0/references/0

{"url":"https://git.kernel.org/stable/c/3a18b452dd5f7f1652c2e92f8ae769aa17a66c9e"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/cna/references/4

{"url":"https://git.kernel.org/stable/c/51dcf459845fd28f5a0d83d408a379b274ec5cc5"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/cna/references/3

{"url":"https://git.kernel.org/stable/c/5b2aec77f92265a9028c5f632bdd9af5b57ec3a3"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/cna/references/2

{"url":"https://git.kernel.org/stable/c/69c4e241ff13545d410a8b2a688c932182a858bf"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/cna/references/5

{"url":"https://git.kernel.org/stable/c/8ae48255bcb17b32436be97553dca848730d365f"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/cna/references/0

{"url":"https://git.kernel.org/stable/c/bf3c2affe245cf831866ddc8f736ae6a22cdc11c"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /containers/cna/references/1

{"url":"https://git.kernel.org/stable/c/ca1a47cd3f5f4c46ca188b1c9a27af87d1ab2216"}

cve_program_cvelist_v5reference
urn:baitaphish:normalized-source-record:v2:816142372b7b58dc348089e2f7c8afd9de70966a353529022f7ab5cf506eb393 · sha256:c70287408afae1f6… · /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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