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CVE-2026-46256

In the Linux kernel, the following vulnerability has been resolved: NFS/localio: prevent direct reclaim recursion into NFS via nfs_writepages LOCALIO is an NFS loopback mount optimization that avoids using the network for READ, WRITE and COMMIT if the NFS client and server are determined to be on the same system. But because LOCALIO is still fundamentally "just NFS loopback mount" it is susceptible to recursion deadlock via direct reclaim, e.g.: NFS LOCALIO down to XFS and then back into NFS v
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:c85fa1e7787166c291290fd75fcd26e60c03b5f51781e8e16497e011b61d5087
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 2 assertions

{"defaultStatus":"affected","product":"Linux","programFiles":["fs/nfs/localio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d5d9cc90f0cde2c4c54f6ad5fc1a871141522d3ab80070fb5b50d31251bac444 · sha256:aeeea2466453b998… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/nfs/localio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ae26a4cf2baf0a44c538dc093504d1994b02dade","status":"affected","version":"70ba381e1a431245c137ed597ec6a05991c79bd9","versionType":"git"},{"lessThan":"6a5de0c4fc0f217eea945d3d72c34ee30d72cbc9","status":"affected","version":"70ba381e1a431245c137ed597ec6a05991c79bd9","versionType":"git"},{"lessThan":"67435d2d8a33a75f9647724952cb1b18279d2e95","status":"affected","version":"70ba381e1a431245c137ed597ec6a…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d5d9cc90f0cde2c4c54f6ad5fc1a871141522d3ab80070fb5b50d31251bac444 · sha256:aeeea2466453b998… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["fs/nfs/localio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.12"},{"lessThan":"6.12","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.14","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.4","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d5d9cc90f0cde2c4c54f6ad5fc1a871141522d3ab80070fb5b50d31251bac444 · sha256:aeeea2466453b998… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["fs/nfs/localio.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"ae26a4cf2baf0a44c538dc093504d1994b02dade","status":"affected","version":"70ba381e1a431245c137ed597ec6a05991c79bd9","versionType":"git"},{"lessThan":"6a5de0c4fc0f217eea945d3d72c34ee30d72cbc9","status":"affected","version":"70ba381e1a431245c137ed597ec6a05991c79bd9","versionType":"git"},{"lessThan":"67435d2d8a33a75f9647724952cb1b18279d2e95","status":"affected","version":"70ba381e1a431245c137ed597ec6a…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:d5d9cc90f0cde2c4c54f6ad5fc1a871141522d3ab80070fb5b50d31251bac444 · sha256:aeeea2466453b998… · /containers/cna/affected/0

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/67435d2d8a33a75f9647724952cb1b18279d2e95"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d5d9cc90f0cde2c4c54f6ad5fc1a871141522d3ab80070fb5b50d31251bac444 · sha256:aeeea2466453b998… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/6a5de0c4fc0f217eea945d3d72c34ee30d72cbc9"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d5d9cc90f0cde2c4c54f6ad5fc1a871141522d3ab80070fb5b50d31251bac444 · sha256:aeeea2466453b998… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/ae26a4cf2baf0a44c538dc093504d1994b02dade"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:d5d9cc90f0cde2c4c54f6ad5fc1a871141522d3ab80070fb5b50d31251bac444 · sha256:aeeea2466453b998… · /containers/cna/references/0

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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