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CVE-2026-23263

In the Linux kernel, the following vulnerability has been resolved: io_uring/zcrx: fix page array leak d9f595b9a65e ("io_uring/zcrx: fix leaking pages on sg init fail") fixed a page leakage but didn't free the page array, release it as well.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:3f41061458faf60b2087ddd510b9927640355adb705440bfcfc5ad2eddb3d0d7
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":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1df1d8c436d6597312b4bcedf206b167d7454e178d0879cd3b00c878043afb1b · sha256:0163b3a2fa1a59fa… · /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":"64cf3016234ce8a6e4195ed1b2d9e2a1ae41b57d","status":"affected","version":"b84621d96ee0221e0bfbf9f477bbec7a5077c464","versionType":"git"},{"lessThan":"0ae91d8ab70922fb74c22c20bedcb69459579b1c","status":"affected","version":"b84621d96ee0221e0bfbf9f477bbec7a5077c464","versionType":"git"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1df1d8c436d6597312b4bcedf206b167d7454e178d0879cd3b00c878043afb1b · sha256:0163b3a2fa1a59fa… · /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":"6.17"},{"lessThan":"6.17","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.10","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.19","versionType":"original_commit_for_fix"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1df1d8c436d6597312b4bcedf206b167d7454e178d0879cd3b00c878043afb1b · sha256:0163b3a2fa1a59fa… · /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":"64cf3016234ce8a6e4195ed1b2d9e2a1ae41b57d","status":"affected","version":"b84621d96ee0221e0bfbf9f477bbec7a5077c464","versionType":"git"},{"lessThan":"0ae91d8ab70922fb74c22c20bedcb69459579b1c","status":"affected","version":"b84621d96ee0221e0bfbf9f477bbec7a5077c464","versionType":"git"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:1df1d8c436d6597312b4bcedf206b167d7454e178d0879cd3b00c878043afb1b · sha256:0163b3a2fa1a59fa… · /containers/cna/affected/0

Source references

2 source assertions
{"url":"https://git.kernel.org/stable/c/0ae91d8ab70922fb74c22c20bedcb69459579b1c"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1df1d8c436d6597312b4bcedf206b167d7454e178d0879cd3b00c878043afb1b · sha256:0163b3a2fa1a59fa… · /containers/cna/references/1
{"url":"https://git.kernel.org/stable/c/64cf3016234ce8a6e4195ed1b2d9e2a1ae41b57d"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:1df1d8c436d6597312b4bcedf206b167d7454e178d0879cd3b00c878043afb1b · sha256:0163b3a2fa1a59fa… · /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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