{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38504", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:24.022Z", "datePublished": "2025-08-16T10:54:42.086Z", "dateUpdated": "2026-05-11T21:29:18.014Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:29:18.014Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nio_uring/zcrx: fix pp destruction warnings\n\nWith multiple page pools and in some other cases we can have allocated\nniovs on page pool destruction. Remove a misplaced warning checking that\nall niovs are returned to zcrx on io_pp_zc_destroy(). It was reported\nbefore but apparently got lost."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["io_uring/zcrx.c"], "versions": [{"version": "34a3e60821ab9f335a58d43a88cccdbefdebdec3", "lessThan": "ad9f1b5bed082b9c910e2a24bae0286a70846909", "status": "affected", "versionType": "git"}, {"version": "34a3e60821ab9f335a58d43a88cccdbefdebdec3", "lessThan": "203817de269539c062724d97dfa5af3cdf77a3ec", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["io_uring/zcrx.c"], "versions": [{"version": "6.15", "status": "affected"}, {"version": "0", "lessThan": "6.15", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.7", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.15.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.15", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/ad9f1b5bed082b9c910e2a24bae0286a70846909"}, {"url": "https://git.kernel.org/stable/c/203817de269539c062724d97dfa5af3cdf77a3ec"}], "title": "io_uring/zcrx: fix pp destruction warnings", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"bugzilla": {"description": "kernel: io_uring/zcrx: fix pp destruction warnings", "id": "2391056", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2391056"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nio_uring/zcrx: fix pp destruction warnings\nWith multiple page pools and in some other cases we can have allocated\nniovs on page pool destruction. Remove a misplaced warning checking that\nall niovs are returned to zcrx on io_pp_zc_destroy(). It was reported\nbefore but apparently got lost."], "name": "CVE-2025-38504", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-08-16T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38504\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38504\nhttps://lore.kernel.org/linux-cve-announce/2025081646-CVE-2025-38504-9fa7@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-08-18T20:50:01.759509+00:00", "updated": "2025-08-18T20:50:01.759564+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}