{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49968", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-06-18T10:57:27.384Z", "datePublished": "2025-06-18T11:00:32.443Z", "dateUpdated": "2025-06-18T11:00:32.443Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-06-18T11:00:32.443Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154/adf7242: defer destroy_workqueue call\n\nThere is a possible race condition (use-after-free) like below\n\n (FREE) | (USE)\n adf7242_remove | adf7242_channel\n cancel_delayed_work_sync |\n destroy_workqueue (1) | adf7242_cmd_rx\n | mod_delayed_work (2)\n |\n\nThe root cause for this race is that the upper layer (ieee802154) is\nunaware of this detaching event and the function adf7242_channel can\nbe called without any checks.\n\nTo fix this, we can add a flag write at the beginning of adf7242_remove\nand add flag check in adf7242_channel. Or we can just defer the\ndestructive operation like other commit 3e0588c291d6 (\"hamradio: defer\nax25 kfree after unregister_netdev\") which let the\nieee802154_unregister_hw() to handle the synchronization. This patch\ntakes the second option.\n\nruns\")"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/ieee802154/adf7242.c"], "versions": [{"version": "58e9683d14752debc6f22daf6b23e031787df31f", "lessThan": "dede80aaf01f4b6e8657d23726cb4a3da226ec4c", "status": "affected", "versionType": "git"}, {"version": "58e9683d14752debc6f22daf6b23e031787df31f", "lessThan": "bed12d7531df1417fc92c691999ff95e03835008", "status": "affected", "versionType": "git"}, {"version": "58e9683d14752debc6f22daf6b23e031787df31f", "lessThan": "23a29932715ca43bceb2eae1bdb770995afe7271", "status": "affected", "versionType": "git"}, {"version": "58e9683d14752debc6f22daf6b23e031787df31f", "lessThan": "9f8558c5c642c62c450c98c99b7d18a709fff485", "status": "affected", "versionType": "git"}, {"version": "58e9683d14752debc6f22daf6b23e031787df31f", "lessThan": "15f3b89bd521d5770d36a61fc04a77c293138ba6", "status": "affected", "versionType": "git"}, {"version": "58e9683d14752debc6f22daf6b23e031787df31f", "lessThan": "afe7116f6d3b888778ed6d95e3cf724767b9aedf", "status": "affected", "versionType": "git"}, {"version": "a2363e2d88bf50022ee643c49ee5d4f7e8c915ea", "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/adf7242.c"], "versions": [{"version": "4.18", "status": "affected"}, {"version": "0", "lessThan": "4.18", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.258", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.213", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.142", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.66", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19.8", "lessThanOrEqual": "5.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.0", "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": "4.18", "versionEndExcluding": "4.19.258"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.4.213"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.10.142"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.15.66"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "5.19.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.18", "versionEndExcluding": "6.0"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.17.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/dede80aaf01f4b6e8657d23726cb4a3da226ec4c"}, {"url": "https://git.kernel.org/stable/c/bed12d7531df1417fc92c691999ff95e03835008"}, {"url": "https://git.kernel.org/stable/c/23a29932715ca43bceb2eae1bdb770995afe7271"}, {"url": "https://git.kernel.org/stable/c/9f8558c5c642c62c450c98c99b7d18a709fff485"}, {"url": "https://git.kernel.org/stable/c/15f3b89bd521d5770d36a61fc04a77c293138ba6"}, {"url": "https://git.kernel.org/stable/c/afe7116f6d3b888778ed6d95e3cf724767b9aedf"}], "title": "ieee802154/adf7242: defer destroy_workqueue call", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nieee802154/adf7242: defer destroy_workqueue call\n\nThere is a possible race condition (use-after-free) like below\n\n (FREE) | (USE)\n adf7242_remove | adf7242_channel\n cancel_delayed_work_sync |\n destroy_workqueue (1) | adf7242_cmd_rx\n | mod_delayed_work (2)\n |\n\nThe root cause for this race is that the upper layer (ieee802154) is\nunaware of this detaching event and the function adf7242_channel can\nbe called without any checks.\n\nTo fix this, we can add a flag write at the beginning of adf7242_remove\nand add flag check in adf7242_channel. Or we can just defer the\ndestructive operation like other commit 3e0588c291d6 (\"hamradio: defer\nax25 kfree after unregister_netdev\") which let the\nieee802154_unregister_hw() to handle the synchronization. This patch\ntakes the second option.\n\nruns\")"}], "id": "CVE-2022-49968", "lastModified": "2025-06-18T13:46:52.973", "metrics": {}, "published": "2025-06-18T11:15:24.123", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/15f3b89bd521d5770d36a61fc04a77c293138ba6"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/23a29932715ca43bceb2eae1bdb770995afe7271"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/9f8558c5c642c62c450c98c99b7d18a709fff485"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/afe7116f6d3b888778ed6d95e3cf724767b9aedf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bed12d7531df1417fc92c691999ff95e03835008"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/dede80aaf01f4b6e8657d23726cb4a3da226ec4c"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: ieee802154/adf7242: defer destroy_workqueue call", "id": "2373452", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2373452"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.0", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H", "status": "draft"}, "details": ["In the Linux kernel, the following vulnerability has been resolved:\nieee802154/adf7242: defer destroy_workqueue call\nThere is a possible race condition (use-after-free) like below\n(FREE) | (USE)\nadf7242_remove | adf7242_channel\ncancel_delayed_work_sync |\ndestroy_workqueue (1) | adf7242_cmd_rx\n| mod_delayed_work (2)\n|\nThe root cause for this race is that the upper layer (ieee802154) is\nunaware of this detaching event and the function adf7242_channel can\nbe called without any checks.\nTo fix this, we can add a flag write at the beginning of adf7242_remove\nand add flag check in adf7242_channel. Or we can just defer the\ndestructive operation like other commit 3e0588c291d6 (\"hamradio: defer\nax25 kfree after unregister_netdev\") which let the\nieee802154_unregister_hw() to handle the synchronization. This patch\ntakes the second option.\nruns\")"], "name": "CVE-2022-49968", "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": "2025-06-18T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49968\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49968\nhttps://lore.kernel.org/linux-cve-announce/2025061816-CVE-2022-49968-6e78@gregkh/T"], "threat_severity": "Moderate"}