{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-53113", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-05-02T15:51:43.554Z", "datePublished": "2025-05-02T15:55:52.393Z", "dateUpdated": "2026-05-11T19:38:45.777Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:38:45.777Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: nl80211: fix NULL-ptr deref in offchan check\n\nIf, e.g. in AP mode, the link was already created by userspace\nbut not activated yet, it has a chandef but the chandef isn't\nvalid and has no channel. Check for this and ignore this link."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/wireless/nl80211.c"], "versions": [{"version": "7b0a0e3c3a88260b6fcb017e49f198463aa62ed1", "lessThan": "87e80ea4fbc9ce2f2005905fdbcd38baaa47463a", "status": "affected", "versionType": "git"}, {"version": "7b0a0e3c3a88260b6fcb017e49f198463aa62ed1", "lessThan": "201a836c2385fdd2b9d0a8e7737bba5b26f1863a", "status": "affected", "versionType": "git"}, {"version": "7b0a0e3c3a88260b6fcb017e49f198463aa62ed1", "lessThan": "f624bb6fad23df3270580b4fcef415c6e7bf7705", "status": "affected", "versionType": "git"}, {"version": "7a53ad13c09150076b7ddde96c2dfc5622c90b45", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["net/wireless/nl80211.c"], "versions": [{"version": "6.0", "status": "affected"}, {"version": "0", "lessThan": "6.0", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.21", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.2.8", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.3", "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": "6.0", "versionEndExcluding": "6.1.21"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.2.8"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.0", "versionEndExcluding": "6.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.19.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/87e80ea4fbc9ce2f2005905fdbcd38baaa47463a"}, {"url": "https://git.kernel.org/stable/c/201a836c2385fdd2b9d0a8e7737bba5b26f1863a"}, {"url": "https://git.kernel.org/stable/c/f624bb6fad23df3270580b4fcef415c6e7bf7705"}], "title": "wifi: nl80211: fix NULL-ptr deref in offchan check", "x_generator": {"engine": "bippy-1.2.0"}}}}

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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "8F1B346A-2F97-4DCF-9D43-4B1FA388971C", "versionEndExcluding": "6.1.21", "versionStartIncluding": "5.19.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4011EC6B-7786-4709-B765-186FA31D6F7F", "versionEndExcluding": "6.2.8", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc1:*:*:*:*:*:*", "matchCriteriaId": "B8E3B0E8-FA27-4305-87BB-AF6C25B160CB", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:6.3:rc2:*:*:*:*:*:*", "matchCriteriaId": "A47F0FC3-CE52-4BA1-BA51-22F783938431", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: nl80211: fix NULL-ptr deref in offchan check\n\nIf, e.g. in AP mode, the link was already created by userspace\nbut not activated yet, it has a chandef but the chandef isn't\nvalid and has no channel. Check for this and ignore this link."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: nl80211: se corrige la deref NULL-ptr en la comprobaci\u00f3n offchan. Si, por ejemplo, en modo AP, el enlace ya fue creado por el espacio de usuario, pero a\u00fan no se activ\u00f3, tiene una definici\u00f3n de canal (chandef), pero esta no es v\u00e1lida y no tiene canal. Verifique esto e ignore este enlace."}], "id": "CVE-2023-53113", "lastModified": "2025-11-10T17:53:08.543", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-05-02T16:15:30.407", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/201a836c2385fdd2b9d0a8e7737bba5b26f1863a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/87e80ea4fbc9ce2f2005905fdbcd38baaa47463a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/f624bb6fad23df3270580b4fcef415c6e7bf7705"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"affected_release": [{"advisory": "RHSA-2023:7077", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-513.5.1.el8_9", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-11-14T00:00:00Z"}, {"advisory": "RHSA-2023:6583", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-362.8.1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}, {"advisory": "RHSA-2023:6583", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-362.8.1.el9_3", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-11-07T00:00:00Z"}], "bugzilla": {"description": "kernel: wifi: nl80211: fix NULL-ptr deref in offchan check", "id": "2363683", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2363683"}, "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": "verified"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: nl80211: fix NULL-ptr deref in offchan check\nIf, e.g. in AP mode, the link was already created by userspace\nbut not activated yet, it has a chandef but the chandef isn't\nvalid and has no channel. Check for this and ignore this link.", "A flaw was found in the cfg80211 module in the Linux kernel. In Access Point (AP) mode, if a wireless link is created by userspace but not yet activated, it may contain an invalid channel definition with no channel. This issue may cause a NULL pointer dereference that results in a denial of service."], "name": "CVE-2023-53113", "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-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-05-02T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2023-53113\nhttps://nvd.nist.gov/vuln/detail/CVE-2023-53113\nhttps://lore.kernel.org/linux-cve-announce/2025050228-CVE-2023-53113-a3ff@gregkh/T"], "statement": "This issue has been fixed in Red Hat Enterprise Linux 8.9 and 9.3 via RHSA-2023:7077 [1] and RHSA-2023:6583 [2], respectively.\n[1]. https://access.redhat.com/errata/RHSA-2023:7077\n[2]. https://access.redhat.com/errata/RHSA-2023:6583", "threat_severity": "Moderate"}

{}