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CVE-2026-43174

In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix post open error handling Closing a queue doesn't guarantee that all associated page pools are terminated right away, let the refcounting do the work instead of releasing the zcrx ctx directly.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:dfc3ae78b71e8d23f71189f9d7b14e82b2966b6eb8ffc7b246bd1aeab2097966
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":["io_uring/zcrx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:800283b1a4b18181c51d36f5b7a33eb2b1cf7d9813baa49319ae6056a226764d · sha256:6940aa6c0ccd0cbb… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"Linux","programFiles":["io_uring/zcrx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"18afaff077b46655a8eb6fd7f6de1b81327be577","status":"affected","version":"e0793de24a9f610bd8ce106f7033b3966e7fca0e","versionType":"git"},{"lessThan":"5d540e4508950c674d6feef1d95463d039bbf4f5","status":"affected","version":"e0793de24a9f610bd8ce106f7033b3966e7fca0e","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:800283b1a4b18181c51d36f5b7a33eb2b1cf7d9813baa49319ae6056a226764d · sha256:6940aa6c0ccd0cbb… · /containers/cna/affected/0

Affected products and versions

2 source assertions
{"defaultStatus":"affected","product":"Linux","programFiles":["io_uring/zcrx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.15"},{"lessThan":"6.15","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.19.*","status":"unaffected","version":"6.19.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.0","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:800283b1a4b18181c51d36f5b7a33eb2b1cf7d9813baa49319ae6056a226764d · sha256:6940aa6c0ccd0cbb… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"Linux","programFiles":["io_uring/zcrx.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"18afaff077b46655a8eb6fd7f6de1b81327be577","status":"affected","version":"e0793de24a9f610bd8ce106f7033b3966e7fca0e","versionType":"git"},{"lessThan":"5d540e4508950c674d6feef1d95463d039bbf4f5","status":"affected","version":"e0793de24a9f610bd8ce106f7033b3966e7fca0e","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:800283b1a4b18181c51d36f5b7a33eb2b1cf7d9813baa49319ae6056a226764d · sha256:6940aa6c0ccd0cbb… · /containers/cna/affected/0

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/18afaff077b46655a8eb6fd7f6de1b81327be577"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:800283b1a4b18181c51d36f5b7a33eb2b1cf7d9813baa49319ae6056a226764d · sha256:6940aa6c0ccd0cbb… · /containers/cna/references/0
{"url":"https://git.kernel.org/stable/c/5d540e4508950c674d6feef1d95463d039bbf4f5"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:800283b1a4b18181c51d36f5b7a33eb2b1cf7d9813baa49319ae6056a226764d · sha256:6940aa6c0ccd0cbb… · /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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