{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-46075", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-05-13T15:03:33.096Z", "datePublished": "2026-05-27T12:58:07.080Z", "dateUpdated": "2026-06-14T17:52:29.232Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-06-14T17:52:29.232Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: atmel-sha204a - Fix potential UAF and memory leak in remove path\n\nUnregister the hwrng to prevent new ->read() calls and flush the Atmel\nI2C workqueue before teardown to prevent a potential UAF if a queued\ncallback runs while the device is being removed.\n\nDrop the early return to ensure sysfs entries are removed and\n->hwrng.priv is freed, preventing a memory leak."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/atmel-sha204a.c"], "versions": [{"version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "lessThan": "6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5", "status": "affected", "versionType": "git"}, {"version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "lessThan": "c5a45d14234bf26e28a89e3a5dcc08336595cf11", "status": "affected", "versionType": "git"}, {"version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "lessThan": "775c00d87c385b758da9504cf053acea00e2ed40", "status": "affected", "versionType": "git"}, {"version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "lessThan": "1193c12126d39bf986a5a9214827b73707b193ab", "status": "affected", "versionType": "git"}, {"version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "lessThan": "31901371ccd16b42d2f167b1018ba9ae8bd5a6c7", "status": "affected", "versionType": "git"}, {"version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "lessThan": "bab1adf3b87e4bfac92c4f5963c63db434d561c1", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/crypto/atmel-sha204a.c"], "versions": [{"version": "5.3", "status": "affected"}, {"version": "0", "lessThan": "5.3", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.175", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.140", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.86", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.27", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.0.4", "lessThanOrEqual": "7.0.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1", "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": "5.3", "versionEndExcluding": "6.1.175"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.6.140"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.12.86"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "6.18.27"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.0.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.3", "versionEndExcluding": "7.1"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5"}, {"url": "https://git.kernel.org/stable/c/c5a45d14234bf26e28a89e3a5dcc08336595cf11"}, {"url": "https://git.kernel.org/stable/c/775c00d87c385b758da9504cf053acea00e2ed40"}, {"url": "https://git.kernel.org/stable/c/1193c12126d39bf986a5a9214827b73707b193ab"}, {"url": "https://git.kernel.org/stable/c/31901371ccd16b42d2f167b1018ba9ae8bd5a6c7"}, {"url": "https://git.kernel.org/stable/c/bab1adf3b87e4bfac92c4f5963c63db434d561c1"}], "title": "crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/crypto/atmel-sha204a.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5", "status": "affected", "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "versionType": "git"}, {"lessThan": "c5a45d14234bf26e28a89e3a5dcc08336595cf11", "status": "affected", "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "versionType": "git"}, {"lessThan": "775c00d87c385b758da9504cf053acea00e2ed40", "status": "affected", "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "versionType": "git"}, {"lessThan": "1193c12126d39bf986a5a9214827b73707b193ab", "status": "affected", "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "versionType": "git"}, {"lessThan": "31901371ccd16b42d2f167b1018ba9ae8bd5a6c7", "status": "affected", "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "versionType": "git"}, {"lessThan": "bab1adf3b87e4bfac92c4f5963c63db434d561c1", "status": "affected", "version": "da001fb651b00e1deeaf24767dd691ae8152a4f5", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/crypto/atmel-sha204a.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "5.3"}, {"lessThan": "5.3", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.175", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.140", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.86", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.27", "versionType": "semver"}, {"lessThanOrEqual": "7.0.*", "status": "unaffected", "version": "7.0.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.1", "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: atmel-sha204a - Fix potential UAF and memory leak in remove path\n\nUnregister the hwrng to prevent new ->read() calls and flush the Atmel\nI2C workqueue before teardown to prevent a potential UAF if a queued\ncallback runs while the device is being removed.\n\nDrop the early return to ensure sysfs entries are removed and\n->hwrng.priv is freed, preventing a memory leak."}], "id": "CVE-2026-46075", "lastModified": "2026-06-17T10:53:01.607", "metrics": {}, "published": "2026-05-27T14:17:28.823", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1193c12126d39bf986a5a9214827b73707b193ab"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/31901371ccd16b42d2f167b1018ba9ae8bd5a6c7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6dbeb0f788582e1ab5dfc3f41994eac0ec88c2b5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/775c00d87c385b758da9504cf053acea00e2ed40"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bab1adf3b87e4bfac92c4f5963c63db434d561c1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c5a45d14234bf26e28a89e3a5dcc08336595cf11"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: crypto: atmel-sha204a - Fix potential UAF and memory leak in remove path", "id": "2482068", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2482068"}, "csaw": false, "cwe": "CWE-364", "details": ["A flaw was found in the Linux kernel, specifically within the `atmel-sha204a` cryptographic hardware random number generator (hwrng) driver. During the device removal process, a race condition can occur where a queued callback might execute while the device is being torn down. This can lead to a Use-After-Free (UAF) vulnerability, potentially allowing an attacker to execute arbitrary code or cause a denial of service. Additionally, an issue with early returns in the removal path could prevent proper freeing of resources, resulting in a memory leak."], "name": "CVE-2026-46075", "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"}], "public_date": "2026-05-27T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-46075\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-46075\nhttps://lore.kernel.org/linux-cve-announce/2026052759-CVE-2026-46075-8a6c@gregkh/T"]}

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