CVE-2024-47712

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Reusing this\npointer can lead to unpredictable behavior, including accessing memory\nthat has been updated or causing use-after-free issues.\n\nThis possible bug was identified using a static analysis tool developed\nby myself, specifically designed to detect RCU-related issues.\n\nTo address this, the TSF value is now stored in a local variable\n`ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is\nthen assigned using this local variable, ensuring that the TSF value is\nsafely accessed."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H", "baseScore": 8.3, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:A - The freeing side of the race is driven entirely by received 802.11 beacon/probe-response frames that cause `cfg80211_update_known_bss()` to `kfree_rcu()` the old IE blob, and the gating P2P NoA attribute is supplied in those same frames, so the attacker must be within WiFi radio range of the victim.\nAC:L - The attacker controls both the gating condition (presence of the P2P NoA attribute in its beacons) and the free timing (flooding IE-changing beacons/probe responses), and can retry the race indefinitely across repeated association attempts, giving repeatable success on preemptible kernels.\nPR:N - No credentials on the target are needed \u2014 the connect that reaches the vulnerable parser is issued automatically by the supplicant during association/roaming, and even the local trigger `NL80211_CMD_CONNECT` requires only namespace-scoped CAP_NET_ADMIN (`GENL_UNS_ADMIN_PERM`), not real root.\nUI:N - Association and roaming attempts are performed automatically by wpa_supplicant against configured/rogue SSIDs; no victim action is required for the connect path to run.\nS:U - The stale read and its consequences are confined to the kernel's own security authority; no VM, IOMMU, or sandbox boundary is crossed.\nC:H - This is a use-after-free read of a freed slab object whose contents (freelist pointer or reallocated kernel heap data) are truncated into `param->tsf_lo` and programmed into the firmware's NoA/power-save schedule, leaking freed kernel memory into behavior the adjacent attacker can observe.\nI:L - There is no out-of-bounds or arbitrary write \u2014 the only store is into the correctly allocated `param` \u2014 but attacker-influenced freed-heap garbage corrupts the TSF/NoA join parameters handed to the device firmware, a bounded integrity impact on driver and firmware state.\nA:H - Dereferencing the freed `cfg80211_bss_ies` can fault and oops if the backing slab page has been returned to the page allocator (attacker can induce this by churning the BSS list), and it triggers KASAN/hardened-allocator panics."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/microchip/wilc1000/hif.c"], "versions": [{"version": "e556006de4ea93abe2b46cba202a2556c544b8b2", "lessThan": "5a24cedc243ace5ed7c1016f52a7bfc8f5b07815", "status": "affected", "versionType": "git"}, {"version": "b4bbf38c350acb6500cbe667b1e2e68f896e4b38", "lessThan": "557418e1704605a81c9e26732449f71b1d40ba1e", "status": "affected", "versionType": "git"}, {"version": "d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2", "lessThan": 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"https://git.kernel.org/stable/c/2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5"}, {"url": "https://git.kernel.org/stable/c/79510414a7626317f13cc9073244ab7a8deb3192"}, {"url": "https://git.kernel.org/stable/c/6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8"}], "title": "wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2024-47712", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-10-21T13:03:07.439547Z"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-10-21T13:04:18.804Z"}}, {"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}, {"url": 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According to RCU usage rules, this is illegal. Reusing this\npointer can lead to unpredictable behavior, including accessing memory\nthat has been updated or causing use-after-free issues.\n\nThis possible bug was identified using a static analysis tool developed\nby myself, specifically designed to detect RCU-related issues.\n\nTo address this, the TSF value is now stored in a local variable\n`ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is\nthen assigned using this local variable, ensuring that the TSF value is\nsafely accessed."}], "cpeApplicability": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.4.285", "versionStartIncluding": "5.4.273"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.10.227", "versionStartIncluding": "5.10.214"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "5.15.168", "versionStartIncluding": "5.15.153"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.1.113", "versionStartIncluding": "6.1.83"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.6.54", "versionStartIncluding": "6.6.23"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.10.13", "versionStartIncluding": "6.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.11.2", "versionStartIncluding": "6.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionEndExcluding": "6.12", "versionStartIncluding": "6.9"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "6.7.11"}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "vulnerable": true, "versionStartIncluding": "6.8.2"}], "operator": "OR"}]}], "providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:53:48.837Z"}}}, "cveMetadata": {"cveId": "CVE-2024-47712", "state": "PUBLISHED", "dateUpdated": "2026-05-23T15:53:48.837Z", "dateReserved": "2024-09-30T16:00:12.948Z", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "datePublished": "2024-10-21T11:53:44.763Z", "assignerShortName": "Linux"}, "dataVersion": "5.2"}

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"versionType": "semver"}, {"lessThan": "6.1.113", "status": "affected", "version": "6.1.83", "versionType": "semver"}, {"lessThan": "6.6.54", "status": "affected", "version": "6.6.23", "versionType": "semver"}, {"lessThan": "6.8", "status": "affected", "version": "6.7.11", "versionType": "semver"}, {"lessThan": "6.9", "status": "affected", "version": "6.8.2", "versionType": "semver"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/microchip/wilc1000/hif.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.9"}, {"lessThan": "6.9", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.4.*", "status": "unaffected", "version": "5.4.285", "versionType": "semver"}, {"lessThanOrEqual": "5.10.*", "status": "unaffected", "version": "5.10.227", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.168", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.113", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.54", "versionType": "semver"}, {"lessThanOrEqual": "6.10.*", "status": "unaffected", "version": "6.10.13", "versionType": "semver"}, {"lessThanOrEqual": "6.11.*", "status": "unaffected", "version": "6.11.2", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "6.12", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6CE68562-07A0-48CC-86AC-B5990C5D9780", "versionEndExcluding": "5.5", "versionStartIncluding": "5.4.273", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "A8846BE7-5AEC-4A74-8E34-0FE8B1205194", "versionEndExcluding": "5.10.227", "versionStartIncluding": "5.10.214", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "41952CCA-3B42-425D-A5FF-DE2474EC8369", "versionEndExcluding": "5.15.168", "versionStartIncluding": "5.15.153", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "161F9759-367F-4944-B666-215896634DCA", "versionEndExcluding": "6.1.113", "versionStartIncluding": "6.1.83", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "DCA3014C-FDF3-4561-9BF6-1ED84EA00985", "versionEndExcluding": "6.6.54", "versionStartIncluding": "6.6.23", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "CD8383BB-B294-4F4D-996D-A780685E6362", "versionEndExcluding": "6.8", "versionStartIncluding": "6.7.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "E9076253-5796-4E04-9AB4-42087B5524F4", "versionEndExcluding": "6.9", "versionStartIncluding": "6.8.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "EF31DFC4-A7F7-4E9B-A558-635ED9DB48FC", "versionEndExcluding": "6.10.13", "versionStartExcluding": "6.9", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "AB755D26-97F4-43B6-8604-CD076811E181", "versionEndExcluding": "6.11.2", "versionStartIncluding": "6.11", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param\n\nIn the `wilc_parse_join_bss_param` function, the TSF field of the `ies`\nstructure is accessed after the RCU read-side critical section is\nunlocked. According to RCU usage rules, this is illegal. Reusing this\npointer can lead to unpredictable behavior, including accessing memory\nthat has been updated or causing use-after-free issues.\n\nThis possible bug was identified using a static analysis tool developed\nby myself, specifically designed to detect RCU-related issues.\n\nTo address this, the TSF value is now stored in a local variable\n`ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is\nthen assigned using this local variable, ensuring that the TSF value is\nsafely accessed."}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: wifi: wilc1000: soluciona un posible problema de desreferencia de RCU en wilc_parse_join_bss_param En la funci\u00f3n `wilc_parse_join_bss_param`, se accede al campo TSF de la estructura `ies` despu\u00e9s de que se desbloquea la secci\u00f3n cr\u00edtica del lado de lectura de RCU. Seg\u00fan las reglas de uso de RCU, esto es ilegal. Reutilizar este puntero puede provocar un comportamiento impredecible, incluido el acceso a la memoria que se ha actualizado o causar problemas de use after free. Este posible error se identific\u00f3 utilizando una herramienta de an\u00e1lisis est\u00e1tico desarrollada por m\u00ed, dise\u00f1ada espec\u00edficamente para detectar problemas relacionados con RCU. Para solucionarlo, el valor TSF ahora se almacena en una variable local `ies_tsf` antes de que se libere el bloqueo de RCU. Luego, el campo `param->tsf_lo` se asigna utilizando esta variable local, lo que garantiza que se acceda de forma segura al valor TSF."}], "id": "CVE-2024-47712", "lastModified": "2026-08-04T11:20:43.513", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.5, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}, {"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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-47712", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-10-21T13:03:07.439547Z", "version": "2.0.3"}}]}, "published": "2024-10-21T12:15:07.640", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/557418e1704605a81c9e26732449f71b1d40ba1e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/5a24cedc243ace5ed7c1016f52a7bfc8f5b07815"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/79510414a7626317f13cc9073244ab7a8deb3192"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/84398204c5df5aaf89453056cf0647cda9664d2b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/b040b71d99ee5e17bb7a743dc01cbfcae8908ce1"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/bf090f4fe935294361eabd9dc5a949fdd77d3d1b"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param", "id": "2320243", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2320243"}, "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-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param\nIn the `wilc_parse_join_bss_param` function, the TSF field of the `ies`\nstructure is accessed after the RCU read-side critical section is\nunlocked. According to RCU usage rules, this is illegal. Reusing this\npointer can lead to unpredictable behavior, including accessing memory\nthat has been updated or causing use-after-free issues.\nThis possible bug was identified using a static analysis tool developed\nby myself, specifically designed to detect RCU-related issues.\nTo address this, the TSF value is now stored in a local variable\n`ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is\nthen assigned using this local variable, ensuring that the TSF value is\nsafely accessed."], "name": "CVE-2024-47712", "package_state": [{"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": "2024-10-21T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2024-47712\nhttps://nvd.nist.gov/vuln/detail/CVE-2024-47712\nhttps://lore.kernel.org/linux-cve-announce/2024102118-CVE-2024-47712-13c2@gregkh/T"], "threat_severity": "Moderate"}

{}