{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49672", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:21:30.437Z", "datePublished": "2025-02-26T02:24:05.284Z", "dateUpdated": "2025-05-04T08:43:01.207Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:43:01.207Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: tun: unlink NAPI from device on destruction\n\nSyzbot found a race between tun file and device destruction.\nNAPIs live in struct tun_file which can get destroyed before\nthe netdev so we have to del them explicitly. The current\ncode is missing deleting the NAPI if the queue was detached\nfirst."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/tun.c"], "versions": [{"version": "943170998b200190f99d3fe7e771437e2c51f319", "lessThan": "82e729aee59acefe135fceffadcbc5b86dd4f1b9", "status": "affected", "versionType": "git"}, {"version": "943170998b200190f99d3fe7e771437e2c51f319", "lessThan": "a8cf919022373c97a84fe596bbea544f909c485d", "status": "affected", "versionType": "git"}, {"version": "943170998b200190f99d3fe7e771437e2c51f319", "lessThan": "bec1be0a745ab420718217e3e0d9542a75108989", "status": "affected", "versionType": "git"}, {"version": "943170998b200190f99d3fe7e771437e2c51f319", "lessThan": "8145f77d38de4f88b8a69e1463f5c09ba189d77c", "status": "affected", "versionType": "git"}, {"version": "943170998b200190f99d3fe7e771437e2c51f319", "lessThan": "8661d4b8faa2f7ee7a559969c0a7c57f077b1728", "status": "affected", "versionType": "git"}, {"version": "943170998b200190f99d3fe7e771437e2c51f319", "lessThan": "3b9bc84d311104906d2b4995a9a02d7b7ddab2db", "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/tun.c"], "versions": [{"version": "4.15", "status": "affected"}, {"version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver"}, {"version": "4.19.251", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.4.204", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.129", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.53", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.10", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "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": "4.15", "versionEndExcluding": "4.19.251"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.4.204"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.10.129"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.15.53"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.18.10"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/82e729aee59acefe135fceffadcbc5b86dd4f1b9"}, {"url": "https://git.kernel.org/stable/c/a8cf919022373c97a84fe596bbea544f909c485d"}, {"url": "https://git.kernel.org/stable/c/bec1be0a745ab420718217e3e0d9542a75108989"}, {"url": "https://git.kernel.org/stable/c/8145f77d38de4f88b8a69e1463f5c09ba189d77c"}, {"url": "https://git.kernel.org/stable/c/8661d4b8faa2f7ee7a559969c0a7c57f077b1728"}, {"url": "https://git.kernel.org/stable/c/3b9bc84d311104906d2b4995a9a02d7b7ddab2db"}], "title": "net: tun: unlink NAPI from device on destruction", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: tun: unlink NAPI from device on destruction\n\nSyzbot found a race between tun file and device destruction.\nNAPIs live in struct tun_file which can get destroyed before\nthe netdev so we have to del them explicitly. The current\ncode is missing deleting the NAPI if the queue was detached\nfirst."}], "id": "CVE-2022-49672", "lastModified": "2025-02-26T07:01:42.130", "metrics": {}, "published": "2025-02-26T07:01:42.130", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/3b9bc84d311104906d2b4995a9a02d7b7ddab2db"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8145f77d38de4f88b8a69e1463f5c09ba189d77c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/82e729aee59acefe135fceffadcbc5b86dd4f1b9"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/8661d4b8faa2f7ee7a559969c0a7c57f077b1728"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/a8cf919022373c97a84fe596bbea544f909c485d"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bec1be0a745ab420718217e3e0d9542a75108989"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: net: tun: unlink NAPI from device on destruction", "id": "2347759", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347759"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.7", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-362", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nnet: tun: unlink NAPI from device on destruction\nSyzbot found a race between tun file and device destruction.\nNAPIs live in struct tun_file which can get destroyed before\nthe netdev so we have to del them explicitly. The current\ncode is missing deleting the NAPI if the queue was detached\nfirst."], "name": "CVE-2022-49672", "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": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Will not fix", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49672\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49672\nhttps://lore.kernel.org/linux-cve-announce/2025022624-CVE-2022-49672-e5ec@gregkh/T"], "threat_severity": "Moderate"}