CVE-2026-97588

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97588", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-24T16:01:01.157Z", "datePublished": "2026-09-25T10:22:06.796Z", "dateUpdated": "2026-10-19T09:09:52.160Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-19T09:09:52.160Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/crypto: Map EBUSY to EIO when key conversion fails repeatedly\n\nWhen hardware persistently returns -EBUSY after exhausting retries,\nthe error propagates to crypto_finalize_*_request(). The crypto API's\ncompletion wrapper treats -EBUSY as a queueing status and swallows it,\npreventing the completion callback from firing. This causes callers\nusing crypto_wait_req() to block indefinitely.\n\nTranslate persistent -EBUSY to -EIO after retry exhaustion to ensure\nproper error propagation and callback invocation."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/crypto/paes_s390.c", "arch/s390/crypto/phmac_s390.c"], "versions": [{"version": "6cd87cb5ef6ca50ae17c371482ceaab1d635e232", "lessThan": "f6b263679aa72ad2e534bf93db55f2589549a40e", "status": "affected", "versionType": "git"}, {"version": "6cd87cb5ef6ca50ae17c371482ceaab1d635e232", "lessThan": "e267bd142664a181474112392aeaa8b3d4b12f2e", "status": "affected", "versionType": "git"}, {"version": "6cd87cb5ef6ca50ae17c371482ceaab1d635e232", "lessThan": "7a08507ea5b4d06ad8d269287913573f34467565", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["arch/s390/crypto/paes_s390.c", "arch/s390/crypto/phmac_s390.c"], "versions": [{"version": "6.16", "status": "affected"}, {"version": "0", "lessThan": "6.16", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.53", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2.7", "lessThanOrEqual": "7.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.3", "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": "6.16", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.16", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/f6b263679aa72ad2e534bf93db55f2589549a40e"}, {"url": "https://git.kernel.org/stable/c/e267bd142664a181474112392aeaa8b3d4b12f2e"}, {"url": "https://git.kernel.org/stable/c/7a08507ea5b4d06ad8d269287913573f34467565"}], "title": "s390/crypto: Map EBUSY to EIO when key conversion fails repeatedly", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["arch/s390/crypto/paes_s390.c", "arch/s390/crypto/phmac_s390.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "f6b263679aa72ad2e534bf93db55f2589549a40e", "status": "affected", "version": "6cd87cb5ef6ca50ae17c371482ceaab1d635e232", "versionType": "git"}, {"lessThan": "e267bd142664a181474112392aeaa8b3d4b12f2e", "status": "affected", "version": "6cd87cb5ef6ca50ae17c371482ceaab1d635e232", "versionType": "git"}, {"lessThan": "7a08507ea5b4d06ad8d269287913573f34467565", "status": "affected", "version": "6cd87cb5ef6ca50ae17c371482ceaab1d635e232", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["arch/s390/crypto/paes_s390.c", "arch/s390/crypto/phmac_s390.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.16"}, {"lessThan": "6.16", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.53", "versionType": "semver"}, {"lessThanOrEqual": "7.2.*", "status": "unaffected", "version": "7.2.7", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.3", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ns390/crypto: Map EBUSY to EIO when key conversion fails repeatedly\n\nWhen hardware persistently returns -EBUSY after exhausting retries,\nthe error propagates to crypto_finalize_*_request(). The crypto API's\ncompletion wrapper treats -EBUSY as a queueing status and swallows it,\npreventing the completion callback from firing. This causes callers\nusing crypto_wait_req() to block indefinitely.\n\nTranslate persistent -EBUSY to -EIO after retry exhaustion to ensure\nproper error propagation and callback invocation."}], "id": "CVE-2026-97588", "lastModified": "2026-10-19T10:17:28.253", "metrics": {}, "published": "2026-09-25T11:17:09.990", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/7a08507ea5b4d06ad8d269287913573f34467565"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e267bd142664a181474112392aeaa8b3d4b12f2e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/f6b263679aa72ad2e534bf93db55f2589549a40e"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: s390/crypto: Map EBUSY to EIO when key conversion fails repeatedly", "id": "2541226", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541226"}, "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"}, "cwe": "CWE-393", "details": ["A flaw was found in the Linux kernel's s390 cryptographic subsystem. This vulnerability allows a local user to cause a Denial of Service (DoS) by executing cryptographic operations when underlying hardware repeatedly reports a busy state. Because the subsystem fails to properly translate persistent busy errors during key conversion, the cryptographic framework incorrectly treats the failure as a queued request, preventing completion callbacks from firing and causing calling processes to hang indefinitely."], "name": "CVE-2026-97588", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "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"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-97588\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97588\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97588.mbox"], "threat_severity": "Low"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6cd87cb5ef6ca50ae17c371482ceaab1d635e232,f6b263679aa72ad2e534bf93db55f2589549a40e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6cd87cb5ef6ca50ae17c371482ceaab1d635e232,e267bd142664a181474112392aeaa8b3d4b12f2e)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[6cd87cb5ef6ca50ae17c371482ceaab1d635e232,7a08507ea5b4d06ad8d269287913573f34467565)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "6.16"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[0,6.16)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.53,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2.7,7.3.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "generic", "value": "[7.3-rc3,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-09-25T13:45:18.892335+00:00", "updated": "2026-10-01T08:30:05.242695+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"], "weaknesses": ["CWE-393", "CWE-668"]}