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CVE-2025-68317

In the Linux kernel, the following vulnerability has been resolved: io_uring/zctx: check chained notif contexts Send zc only links ubuf_info for requests coming from the same context. There are some ambiguous syz reports, so let's check the assumption on notification completion.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:686ec64ae19d7d996ecb88f55b17bb54adf0406444cdb30cdde681fa7aa65050
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":"unaffected","product":"Linux","programFiles":["io_uring/notif.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"aaafd17d3f4be2c15539359a5b4bfa00237f687f","status":"affected","version":"6fe4220912d19152a26ce19713ab232f4263018d","versionType":"git"},{"lessThan":"d664a3ce3a604231a0b144c152a3755d03b18b60","status":"affected","version":"6fe4220912d19152a26ce19713ab232f4263018d","versionType":"git"},{"lessThan":"ab3ea6eac5f45669b091309f592c4ea324003053","status":"affected","version":"6fe4220912d19152a26ce19713ab2…

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7d83ce06144252c796f09db2cab2466809cb55c58f951ae2d0a266c7dafc59c5 · sha256:52f3d304e1cb2787… · /containers/cna/affected/0

{"defaultStatus":"affected","product":"Linux","programFiles":["io_uring/notif.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.10"},{"lessThan":"6.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.58","versionType":"semver"},{"lessThanOrEqual":"6.17.*","status":"unaffected","version":"6.17.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.18","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7d83ce06144252c796f09db2cab2466809cb55c58f951ae2d0a266c7dafc59c5 · sha256:52f3d304e1cb2787… · /containers/cna/affected/1

Affected products and versions

2 source assertions
{"defaultStatus":"unaffected","product":"Linux","programFiles":["io_uring/notif.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"aaafd17d3f4be2c15539359a5b4bfa00237f687f","status":"affected","version":"6fe4220912d19152a26ce19713ab232f4263018d","versionType":"git"},{"lessThan":"d664a3ce3a604231a0b144c152a3755d03b18b60","status":"affected","version":"6fe4220912d19152a26ce19713ab232f4263018d","versionType":"git"},{"lessThan":"ab3ea6eac5f45669b091309f592c4ea324003053","status":"affected","version":"6fe4220912d19152a26ce19713ab2…
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7d83ce06144252c796f09db2cab2466809cb55c58f951ae2d0a266c7dafc59c5 · sha256:52f3d304e1cb2787… · /containers/cna/affected/0
{"defaultStatus":"affected","product":"Linux","programFiles":["io_uring/notif.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.10"},{"lessThan":"6.10","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.58","versionType":"semver"},{"lessThanOrEqual":"6.17.*","status":"unaffected","version":"6.17.8","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.18","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:7d83ce06144252c796f09db2cab2466809cb55c58f951ae2d0a266c7dafc59c5 · sha256:52f3d304e1cb2787… · /containers/cna/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:v2:7d83ce06144252c796f09db2cab2466809cb55c58f951ae2d0a266c7dafc59c5 · sha256:52f3d304e1cb2787… · /containers/cna/metrics/0/cvssV3_1

Source references

3 source assertions
{"url":"https://git.kernel.org/stable/c/aaafd17d3f4be2c15539359a5b4bfa00237f687f"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7d83ce06144252c796f09db2cab2466809cb55c58f951ae2d0a266c7dafc59c5 · sha256:52f3d304e1cb2787… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/ab3ea6eac5f45669b091309f592c4ea324003053"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7d83ce06144252c796f09db2cab2466809cb55c58f951ae2d0a266c7dafc59c5 · sha256:52f3d304e1cb2787… · /containers/cna/references/2
{"url":"https://git.kernel.org/stable/c/d664a3ce3a604231a0b144c152a3755d03b18b60"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:7d83ce06144252c796f09db2cab2466809cb55c58f951ae2d0a266c7dafc59c5 · sha256:52f3d304e1cb2787… · /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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