cve-2024-39495
Vulnerability from cvelistv5
Published
2024-07-12 12:20
Modified
2024-11-05 09:32
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Summary
greybus: Fix use-after-free bug in gb_interface_release due to race condition.
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/03ea2b129344152157418929f06726989efc0445Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/0b8fba38bdfb848fac52e71270b2aa3538c996eaPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2b6bb0b4abfd79b8698ee161bb73c0936a2aaf83Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/5c9c5d7f26acc2c669c1dcf57d1bb43ee99220cePatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/74cd0a421896b2e07eafe7da4275302bfecef201Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9a733d69a4a59c2d08620e6589d823c24be773dcPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/fb071f5c75d4b1c177824de74ee75f9dd34123b9Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/03ea2b129344152157418929f06726989efc0445Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/0b8fba38bdfb848fac52e71270b2aa3538c996eaPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2b6bb0b4abfd79b8698ee161bb73c0936a2aaf83Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/5c9c5d7f26acc2c669c1dcf57d1bb43ee99220cePatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/74cd0a421896b2e07eafe7da4275302bfecef201Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/9a733d69a4a59c2d08620e6589d823c24be773dcPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/fb071f5c75d4b1c177824de74ee75f9dd34123b9Patch
Impacted products
Vendor Product Version
Linux Linux
Show details on NVD website

To clipboard 

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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-39495\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-07-12T13:15:12.183\",\"lastModified\":\"2024-11-21T09:27:48.967\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ngreybus: Fix use-after-free bug in gb_interface_release due to race condition.\\n\\nIn gb_interface_create, \u0026intf-\u003emode_switch_completion is bound with\\ngb_interface_mode_switch_work. Then it will be started by\\ngb_interface_request_mode_switch. Here is the relevant code.\\nif (!queue_work(system_long_wq, \u0026intf-\u003emode_switch_work)) {\\n\\t...\\n}\\n\\nIf we call gb_interface_release to make cleanup, there may be an\\nunfinished work. This function will call kfree to free the object\\n\\\"intf\\\". However, if gb_interface_mode_switch_work is scheduled to\\nrun after kfree, it may cause use-after-free error as\\ngb_interface_mode_switch_work will use the object \\\"intf\\\".\\nThe possible execution flow that may lead to the issue is as follows:\\n\\nCPU0                            CPU1\\n\\n                            |   gb_interface_create\\n                            |   gb_interface_request_mode_switch\\ngb_interface_release        |\\nkfree(intf) (free)          |\\n                            |   gb_interface_mode_switch_work\\n                            |   mutex_lock(\u0026intf-\u003emutex) (use)\\n\\nFix it by canceling the work before kfree.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: greybus: corrigi\u00f3 el error de use-after-free en gb_interface_release debido a la condici\u00f3n de ejecuci\u00f3n. En gb_interface_create, \u0026amp;intf-\u0026gt;mode_switch_completion est\u00e1 vinculado con gb_interface_mode_switch_work. Luego lo iniciar\u00e1 gb_interface_request_mode_switch. Aqu\u00ed est\u00e1 el c\u00f3digo relevante. if (!queue_work(system_long_wq, \u0026amp;intf-\u0026gt;mode_switch_work)) { ... } Si llamamos a gb_interface_release para realizar la limpieza, es posible que haya un trabajo sin terminar. Esta funci\u00f3n llamar\u00e1 a kfree para liberar el objeto \\\"intf\\\". Sin embargo, si gb_interface_mode_switch_work est\u00e1 programado para ejecutarse despu\u00e9s de kfree, puede causar un error de use-after-free ya que gb_interface_mode_switch_work usar\u00e1 el objeto \\\"intf\\\". El posible flujo de ejecuci\u00f3n que puede provocar el problema es el siguiente: CPU0 CPU1 | gb_interface_create | gb_interface_request_mode_switch gb_interface_release | kfree(intf) (gratis) | | gb_interface_mode_switch_work | mutex_lock(\u0026amp;intf-\u0026gt;mutex) (uso) Solucionarlo cancelando el trabajo antes de kfree.\"}],\"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:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]},{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"5.4.279\",\"matchCriteriaId\":\"5EBA530D-458E-447C-8744-13D4429CCC4A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.5\",\"versionEndExcluding\":\"5.10.221\",\"matchCriteriaId\":\"659E1520-6345-41AF-B893-A7C0647585A0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.162\",\"matchCriteriaId\":\"10A39ACC-3005-40E8-875C-98A372D1FFD5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.95\",\"matchCriteriaId\":\"D435765D-2766-44F5-B319-F713A13E35CE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.2\",\"versionEndExcluding\":\"6.6.35\",\"matchCriteriaId\":\"6F019D15-84C0-416B-8C57-7F51B68992F0\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.6\",\"matchCriteriaId\":\"0ABBBA1D-F79D-4BDB-AA41-D1EDCC4A6975\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/03ea2b129344152157418929f06726989efc0445\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0b8fba38bdfb848fac52e71270b2aa3538c996ea\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2b6bb0b4abfd79b8698ee161bb73c0936a2aaf83\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5c9c5d7f26acc2c669c1dcf57d1bb43ee99220ce\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/74cd0a421896b2e07eafe7da4275302bfecef201\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9a733d69a4a59c2d08620e6589d823c24be773dc\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fb071f5c75d4b1c177824de74ee75f9dd34123b9\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/03ea2b129344152157418929f06726989efc0445\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/0b8fba38bdfb848fac52e71270b2aa3538c996ea\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/2b6bb0b4abfd79b8698ee161bb73c0936a2aaf83\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/5c9c5d7f26acc2c669c1dcf57d1bb43ee99220ce\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/74cd0a421896b2e07eafe7da4275302bfecef201\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/9a733d69a4a59c2d08620e6589d823c24be773dc\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fb071f5c75d4b1c177824de74ee75f9dd34123b9\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}"
  }
}


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  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.