cve-2024-47712
Vulnerability from cvelistv5
Published
2024-10-21 11:53
Modified
2024-12-19 09:26
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param In the `wilc_parse_join_bss_param` function, the TSF field of the `ies` structure is accessed after the RCU read-side critical section is unlocked. According to RCU usage rules, this is illegal. Reusing this pointer can lead to unpredictable behavior, including accessing memory that has been updated or causing use-after-free issues. This possible bug was identified using a static analysis tool developed by myself, specifically designed to detect RCU-related issues. To address this, the TSF value is now stored in a local variable `ies_tsf` before the RCU lock is released. The `param->tsf_lo` field is then assigned using this local variable, ensuring that the TSF value is safely accessed.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/557418e1704605a81c9e26732449f71b1d40ba1ePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5a24cedc243ace5ed7c1016f52a7bfc8f5b07815
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/79510414a7626317f13cc9073244ab7a8deb3192Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/84398204c5df5aaf89453056cf0647cda9664d2bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/b040b71d99ee5e17bb7a743dc01cbfcae8908ce1Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bf090f4fe935294361eabd9dc5a949fdd77d3d1bPatch
Impacted products
Vendor Product Version
Linux Linux Version: e556006de4ea93abe2b46cba202a2556c544b8b2
Version: b4bbf38c350acb6500cbe667b1e2e68f896e4b38
Version: d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2
Version: 745003b5917b610352f52fe0d11ef658d6471ec2
Version: 4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce
Version: 205c50306acf58a335eb19fa84e40140f4fe814f
Version: 205c50306acf58a335eb19fa84e40140f4fe814f
Version: 205c50306acf58a335eb19fa84e40140f4fe814f
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   Linux Linux Version: 6.9
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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-\u003etsf_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-\u0026gt;tsf_lo` se asigna utilizando esta variable local, lo que garantiza que se acceda de forma segura al valor TSF.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.4.273\",\"versionEndExcluding\":\"5.5\",\"matchCriteriaId\":\"6CE68562-07A0-48CC-86AC-B5990C5D9780\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.10.214\",\"versionEndExcluding\":\"5.10.227\",\"matchCriteriaId\":\"A8846BE7-5AEC-4A74-8E34-0FE8B1205194\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.15.153\",\"versionEndExcluding\":\"5.15.168\",\"matchCriteriaId\":\"41952CCA-3B42-425D-A5FF-DE2474EC8369\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.1.83\",\"versionEndExcluding\":\"6.1.113\",\"matchCriteriaId\":\"161F9759-367F-4944-B666-215896634DCA\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.6.23\",\"versionEndExcluding\":\"6.6.54\",\"matchCriteriaId\":\"DCA3014C-FDF3-4561-9BF6-1ED84EA00985\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7.11\",\"versionEndExcluding\":\"6.8\",\"matchCriteriaId\":\"CD8383BB-B294-4F4D-996D-A780685E6362\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.8.2\",\"versionEndExcluding\":\"6.9\",\"matchCriteriaId\":\"E9076253-5796-4E04-9AB4-42087B5524F4\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartExcluding\":\"6.9\",\"versionEndExcluding\":\"6.10.13\",\"matchCriteriaId\":\"EF31DFC4-A7F7-4E9B-A558-635ED9DB48FC\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.11\",\"versionEndExcluding\":\"6.11.2\",\"matchCriteriaId\":\"AB755D26-97F4-43B6-8604-CD076811E181\"}]}]}],\"references\":[{\"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\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5a24cedc243ace5ed7c1016f52a7bfc8f5b07815\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"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\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"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\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-21T13:03:10.556Z\"}}], \"cna\": {\"title\": \"wifi: wilc1000: fix potential RCU dereference issue in wilc_parse_join_bss_param\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"e556006de4ea93abe2b46cba202a2556c544b8b2\", \"lessThan\": \"5a24cedc243ace5ed7c1016f52a7bfc8f5b07815\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"b4bbf38c350acb6500cbe667b1e2e68f896e4b38\", \"lessThan\": \"557418e1704605a81c9e26732449f71b1d40ba1e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"d80fc436751cfa6b02a8eda74eb6cce7dadfe5a2\", \"lessThan\": \"bf090f4fe935294361eabd9dc5a949fdd77d3d1b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"745003b5917b610352f52fe0d11ef658d6471ec2\", \"lessThan\": \"b040b71d99ee5e17bb7a743dc01cbfcae8908ce1\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"4bfd20d5f5c62b5495d6c0016ee6933bd3add7ce\", \"lessThan\": \"84398204c5df5aaf89453056cf0647cda9664d2b\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"205c50306acf58a335eb19fa84e40140f4fe814f\", \"lessThan\": \"2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"205c50306acf58a335eb19fa84e40140f4fe814f\", \"lessThan\": \"79510414a7626317f13cc9073244ab7a8deb3192\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"205c50306acf58a335eb19fa84e40140f4fe814f\", \"lessThan\": \"6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wireless/microchip/wilc1000/hif.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.9\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.9\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.4.285\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.4.*\"}, {\"status\": \"unaffected\", \"version\": \"5.10.227\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.168\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"6.1.113\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.54\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/microchip/wilc1000/hif.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/5a24cedc243ace5ed7c1016f52a7bfc8f5b07815\"}, {\"url\": \"https://git.kernel.org/stable/c/557418e1704605a81c9e26732449f71b1d40ba1e\"}, {\"url\": \"https://git.kernel.org/stable/c/bf090f4fe935294361eabd9dc5a949fdd77d3d1b\"}, {\"url\": \"https://git.kernel.org/stable/c/b040b71d99ee5e17bb7a743dc01cbfcae8908ce1\"}, {\"url\": \"https://git.kernel.org/stable/c/84398204c5df5aaf89453056cf0647cda9664d2b\"}, {\"url\": \"https://git.kernel.org/stable/c/2f944e6255c2fc1c9bd9ee32f6b14ee0b2a51eb5\"}, {\"url\": \"https://git.kernel.org/stable/c/79510414a7626317f13cc9073244ab7a8deb3192\"}, {\"url\": \"https://git.kernel.org/stable/c/6d7c6ae1efb1ff68bc01d79d94fdf0388f86cdd8\"}], \"x_generator\": {\"engine\": \"bippy-5f407fcff5a0\"}, \"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-\u003etsf_lo` field is\\nthen assigned using this local variable, ensuring that the TSF value is\\nsafely accessed.\"}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2024-12-19T09:26:36.935Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-47712\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2024-12-19T09:26:36.935Z\", \"dateReserved\": \"2024-09-30T16:00:12.948Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T11:53:44.763Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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