CVE-2026-97600

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-97600", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-09-24T16:01:01.158Z", "datePublished": "2026-09-25T10:22:14.197Z", "dateUpdated": "2026-10-21T12:53:24.716Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-10-21T12:53:24.716Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154: cc2520: fix FIFOP work use-after-free\n\nThe FIFOP interrupt handler queues cc2520_fifop_irqwork. On removal,\ncc2520_remove() only flushes the work. The devm-managed FIFOP IRQ\nremains active until after ->remove() returns and can queue the work\nagain after that flush, allowing it to run after the private data is\nreleased.\n\nDisable the work with disable_work_sync() instead of flushing it, so\nthe handler can no longer queue it once removal begins. Destroy the\nbuffer mutex last, since the worker and the stop callback invoked\nthrough ieee802154_unregister_hw() both take it.\n\nFound by an in-house static analysis tool."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ieee802154/cc2520.c"], "versions": [{"version": "0da6bc8cc3417a5e452efb886ff2c61e72b743d6", "lessThan": "4a1ba62a486a4c43af91d01661a95e82dc4aaefa", "status": "affected", "versionType": "git"}, {"version": "0da6bc8cc3417a5e452efb886ff2c61e72b743d6", "lessThan": "56a9919d8494fb118eebf167bef0622528fbf2e7", "status": "affected", "versionType": "git"}, {"version": "0da6bc8cc3417a5e452efb886ff2c61e72b743d6", "lessThan": "c68fd52c73b676aee67020011e98fea125a978f4", "status": "affected", "versionType": "git"}, {"version": "0da6bc8cc3417a5e452efb886ff2c61e72b743d6", "lessThan": "890a80d516a1447db5c21bf92841a82914ea897d", "status": "affected", "versionType": "git"}, {"version": "0da6bc8cc3417a5e452efb886ff2c61e72b743d6", "lessThan": "ff5891b266a7fc6a062710836be84f1cc19338b5", "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/net/ieee802154/cc2520.c"], "versions": [{"version": "3.17", "status": "affected"}, {"version": "0", "lessThan": "3.17", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.160", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.111", "lessThanOrEqual": "6.12.*", "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": "3.17", "versionEndExcluding": "6.6.160"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.12.111"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "6.18.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "7.2.7"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.17", "versionEndExcluding": "7.3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/4a1ba62a486a4c43af91d01661a95e82dc4aaefa"}, {"url": "https://git.kernel.org/stable/c/56a9919d8494fb118eebf167bef0622528fbf2e7"}, {"url": "https://git.kernel.org/stable/c/c68fd52c73b676aee67020011e98fea125a978f4"}, {"url": "https://git.kernel.org/stable/c/890a80d516a1447db5c21bf92841a82914ea897d"}, {"url": "https://git.kernel.org/stable/c/ff5891b266a7fc6a062710836be84f1cc19338b5"}], "title": "ieee802154: cc2520: fix FIFOP work use-after-free", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/ieee802154/cc2520.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "4a1ba62a486a4c43af91d01661a95e82dc4aaefa", "status": "affected", "version": "0da6bc8cc3417a5e452efb886ff2c61e72b743d6", "versionType": "git"}, {"lessThan": "56a9919d8494fb118eebf167bef0622528fbf2e7", "status": "affected", "version": "0da6bc8cc3417a5e452efb886ff2c61e72b743d6", "versionType": "git"}, {"lessThan": "c68fd52c73b676aee67020011e98fea125a978f4", "status": "affected", "version": "0da6bc8cc3417a5e452efb886ff2c61e72b743d6", "versionType": "git"}, {"lessThan": "890a80d516a1447db5c21bf92841a82914ea897d", "status": "affected", "version": "0da6bc8cc3417a5e452efb886ff2c61e72b743d6", "versionType": "git"}, {"lessThan": "ff5891b266a7fc6a062710836be84f1cc19338b5", "status": "affected", "version": "0da6bc8cc3417a5e452efb886ff2c61e72b743d6", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/ieee802154/cc2520.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "3.17"}, {"lessThan": "3.17", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.160", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.111", "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\nieee802154: cc2520: fix FIFOP work use-after-free\n\nThe FIFOP interrupt handler queues cc2520_fifop_irqwork. On removal,\ncc2520_remove() only flushes the work. The devm-managed FIFOP IRQ\nremains active until after ->remove() returns and can queue the work\nagain after that flush, allowing it to run after the private data is\nreleased.\n\nDisable the work with disable_work_sync() instead of flushing it, so\nthe handler can no longer queue it once removal begins. Destroy the\nbuffer mutex last, since the worker and the stop callback invoked\nthrough ieee802154_unregister_hw() both take it.\n\nFound by an in-house static analysis tool."}], "id": "CVE-2026-97600", "lastModified": "2026-10-21T13:21:14.597", "metrics": {}, "published": "2026-09-25T11:17:11.353", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4a1ba62a486a4c43af91d01661a95e82dc4aaefa"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/56a9919d8494fb118eebf167bef0622528fbf2e7"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/890a80d516a1447db5c21bf92841a82914ea897d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/c68fd52c73b676aee67020011e98fea125a978f4"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/ff5891b266a7fc6a062710836be84f1cc19338b5"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: ieee802154: cc2520: fix FIFOP work use-after-free", "id": "2541174", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2541174"}, "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-825", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nieee802154: cc2520: fix FIFOP work use-after-free\nThe FIFOP interrupt handler queues cc2520_fifop_irqwork. On removal,\ncc2520_remove() only flushes the work. The devm-managed FIFOP IRQ\nremains active until after ->remove() returns and can queue the work\nagain after that flush, allowing it to run after the private data is\nreleased.\nDisable the work with disable_work_sync() instead of flushing it, so\nthe handler can no longer queue it once removal begins. Destroy the\nbuffer mutex last, since the worker and the stop callback invoked\nthrough ieee802154_unregister_hw() both take it.\nFound by an in-house static analysis tool.", "A flaw was found in the Linux kernel's CC2520 radio driver. During device removal, an interrupt handler can queue background work after the driver's private data has been released, resulting in a use-after-free condition. A local user with privileges to disconnect or unbind the device could exploit this flaw to cause a system crash and Denial of Service (DoS) or potentially execute arbitrary code."], "name": "CVE-2026-97600", "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"}, {"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-2026-97600\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-97600\nhttps://git.kernel.org/pub/scm/linux/security/vulns.git/plain/cve/published/2026/CVE-2026-97600.mbox"], "threat_severity": "Moderate"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0da6bc8cc3417a5e452efb886ff2c61e72b743d6,56a9919d8494fb118eebf167bef0622528fbf2e7)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0da6bc8cc3417a5e452efb886ff2c61e72b743d6,c68fd52c73b676aee67020011e98fea125a978f4)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0da6bc8cc3417a5e452efb886ff2c61e72b743d6,890a80d516a1447db5c21bf92841a82914ea897d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[0da6bc8cc3417a5e452efb886ff2c61e72b743d6,ff5891b266a7fc6a062710836be84f1cc19338b5)"}}], "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": "3.17"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,3.17)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.111,6.13.0)"}}, {"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": "2026-09-25T13:45:18.891212+00:00", "updated": "2026-10-01T12:15:05.361010+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}