{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-80565", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-08-26T14:34:25.767Z", "datePublished": "2026-08-26T14:37:28.953Z", "dateUpdated": "2026-08-27T05:01:50.972Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-27T05:01:50.972Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qce - fix error path in devm_qce_register_algs\n\nIf ops->register_algs() fails, the error path repeatedly calls the same\nops->unregister_algs() from the failed registration. Use the loop index\nto unregister the previously registered algorithms instead."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "baseScore": 7.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:L - The flaw is in devm_qce_register_algs() called only from qce_crypto_probe() during platform-driver initialization at boot or qcrypto module load, not from any network, ioctl, or AF_ALG userspace path.\nAC:L - On modular builds an attacker can reload qcrypto under memory pressure to force register_algs() failure, and once algorithms leak the UAF is reliably triggered by normal kernel crypto consumers such as fscrypt selecting high-priority QCE transforms.\nPR:L - After the flawed probe error path leaves QCE algorithms registered, unprivileged local processes on Qualcomm phones and embedded targets reach them through routine fscrypt/dm-crypt kernel crypto without capabilities or init-namespace root.\nUI:N - Exploitation requires no victim interaction beyond ordinary encrypted filesystem or storage activity that automatically exercises kernel crypto after the probe failure has occurred.\nS:U - Impact is confined to kernel memory corruption and privilege escalation within the same kernel security domain, not a VM, IOMMU, or sandbox boundary crossing.\nC:H - Leaked algorithm templates retain tmpl->qce pointers to the devm-freed qce_device, creating a kernel heap use-after-free that can be leveraged for arbitrary kernel memory disclosure.\nI:H - The dangling qce_device UAF corrupts kernel heap objects and control fields (mutex, DMA, MMIO pointers) reachable from crypto request handlers, enabling arbitrary write and potential code execution.\nA:H - Dereferencing the freed qce_device during QCE crypto operations can cause kernel oops, panic, or hang, and UAF corruption inherently threatens system availability."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": 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{"version": "6.12.14", "lessThan": "6.12.105", "status": "affected", "versionType": "semver"}, {"version": "5.4.291", "lessThan": "5.5", "status": "affected", "versionType": "semver"}, {"version": "6.13.3", "lessThan": "6.14", "status": "affected", "versionType": "semver"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/qce/core.c"], "versions": [{"version": "6.14", "status": "affected"}, {"version": "0", "lessThan": "6.14", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.266", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.217", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.184", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.153", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.105", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.46", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.10", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "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": "5.10.235", "versionEndExcluding": "5.10.266"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.179", "versionEndExcluding": "5.15.217"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.129", "versionEndExcluding": "6.1.184"}, {"vulnerable": 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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/crypto/qce/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "dbca8b798caf47fb2799a26dd09c9ad66305883d", "status": "affected", "version": "9e403fea74ecbe6b4a4321f13bd4bc929382908d", "versionType": "git"}, {"lessThan": "fef187c6194d67395182d58169dd14ba631f1b41", "status": "affected", "version": "f52f00efd8c0088992ac07ef46af6096e4f0e52e", "versionType": "git"}, {"lessThan": "1ece8e16c085e8cd60ecbdb641269aaa53d31da4", "status": "affected", "version": "5d5b673b4dd260226b2202f66a920566c27051f3", "versionType": "git"}, {"lessThan": "de52c713d21806b93b00a6074056b57aec4f8919", "status": "affected", "version": "e914b2f795b6995bb0e7db45caa4a912dca09e65", "versionType": "git"}, {"lessThan": "c7dc487aade12c692add3221673c9bdf32dc24f5", "status": "affected", "version": "76e6d50fa5a2fb466edcc8b513d7aad372312c2a", "versionType": "git"}, {"lessThan": "a134e4b8102c077286818ee112b9f925db613d4c", "status": "affected", "version": "e80cf84b608725303113d6fe98bb727bf7b7a40d", "versionType": "git"}, {"lessThan": "4e88b4fda48282f3fd504b4d4f5d2d4f996b76ce", "status": "affected", "version": "e80cf84b608725303113d6fe98bb727bf7b7a40d", "versionType": "git"}, {"lessThan": "9c75402286409f5e1a75e4a445555c84066f89db", "status": "affected", "version": "e80cf84b608725303113d6fe98bb727bf7b7a40d", "versionType": "git"}, {"status": "affected", "version": "8c735ef894dfcca8d0a1cc554f83a82a70fd5b76", "versionType": "git"}, {"status": "affected", "version": "4007883dc7df1dbaeb461b850e0b1b27c057affc", "versionType": "git"}, {"lessThan": "5.10.266", "status": "affected", "version": "5.10.235", "versionType": "semver"}, {"lessThan": "5.15.217", "status": "affected", "version": "5.15.179", "versionType": "semver"}, {"lessThan": "6.1.184", "status": "affected", "version": "6.1.129", "versionType": "semver"}, {"lessThan": "6.6.153", "status": "affected", "version": "6.6.78", "versionType": "semver"}, {"lessThan": "6.12.105", "status": "affected", "version": "6.12.14", "versionType": "semver"}, {"lessThan": "5.5", "status": "affected", "version": "5.4.291", "versionType": "semver"}, {"lessThan": "6.14", "status": "affected", "version": "6.13.3", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/crypto/qce/core.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.14"}, {"lessThan": "6.14", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.266", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.217", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.184", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.153", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.105", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.46", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.10", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "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\ncrypto: qce - fix error path in devm_qce_register_algs\n\nIf ops->register_algs() fails, the error path repeatedly calls the same\nops->unregister_algs() from the failed registration. Use the loop index\nto unregister the previously registered algorithms instead."}], "id": "CVE-2026-80565", "lastModified": "2026-08-27T06:17:41.390", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-08-26T15:17:11.550", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1ece8e16c085e8cd60ecbdb641269aaa53d31da4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4e88b4fda48282f3fd504b4d4f5d2d4f996b76ce"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9c75402286409f5e1a75e4a445555c84066f89db"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a134e4b8102c077286818ee112b9f925db613d4c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c7dc487aade12c692add3221673c9bdf32dc24f5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dbca8b798caf47fb2799a26dd09c9ad66305883d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/de52c713d21806b93b00a6074056b57aec4f8919"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/fef187c6194d67395182d58169dd14ba631f1b41"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: crypto: qce - fix error path in devm_qce_register_algs", "id": "2524471", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2524471"}, "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-763", "details": ["In the Linux kernel, the following vulnerability has been resolved:\ncrypto: qce - fix error path in devm_qce_register_algs\nIf ops->register_algs() fails, the error path repeatedly calls the same\nops->unregister_algs() from the failed registration. Use the loop index\nto unregister the previously registered algorithms instead.", "A flaw was found in the Linux kernel's crypto: qce component. An error in the devm_qce_register_algs function's error handling path causes the system to repeatedly attempt to unregister algorithms incorrectly when a registration fails. This improper handling of resources could lead to system instability or a denial of service."], "name": "CVE-2026-80565", "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": "2026-08-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-80565\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-80565\nhttps://lore.kernel.org/linux-cve-announce/2026082611-CVE-2026-80565-01f5@gregkh/T"], "threat_severity": "Moderate"}