cve-2024-38385
Vulnerability from cvelistv5
Published
2024-06-25 14:22
Modified
2024-11-05 09:29
Severity ?
EPSS score ?
Summary
genirq/irqdesc: Prevent use-after-free in irq_find_at_or_after()
References
{ "containers": { "adp": [ { "providerMetadata": { "dateUpdated": "2024-08-02T04:04:25.138Z", "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE" }, "references": [ { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/1c7891812d85500ae2ca4051fa5683fcf29930d8" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/d084aa022f84319f8079e30882cbcbc026af9f21" }, { "tags": [ "x_transferred" ], "url": "https://git.kernel.org/stable/c/b84a8aba806261d2f759ccedf4a2a6a80a5e55ba" } ], "title": "CVE Program Container" }, { "metrics": [ { "other": { "content": { "id": "CVE-2024-38385", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "role": "CISA Coordinator", "timestamp": "2024-09-10T17:08:17.872806Z", "version": "2.0.3" }, "type": "ssvc" } } ], "providerMetadata": { "dateUpdated": "2024-09-11T17:34:42.745Z", "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP" }, "title": "CISA ADP Vulnrichment" } ], "cna": { "affected": [ { "defaultStatus": "unaffected", "product": "Linux", "programFiles": [ "kernel/irq/irqdesc.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "lessThan": "1c7891812d85", "status": "affected", "version": "721255b9826b", "versionType": "git" }, { "lessThan": "d084aa022f84", "status": "affected", "version": "721255b9826b", "versionType": "git" }, { "lessThan": "b84a8aba8062", "status": "affected", "version": "721255b9826b", "versionType": "git" } ] }, { "defaultStatus": "affected", "product": "Linux", "programFiles": [ "kernel/irq/irqdesc.c" ], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [ { "status": "affected", "version": "6.5" }, { "lessThan": "6.5", "status": "unaffected", "version": "0", "versionType": "semver" }, { "lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.34", "versionType": "semver" }, { "lessThanOrEqual": "6.9.*", "status": "unaffected", "version": "6.9.5", "versionType": "semver" }, { "lessThanOrEqual": "*", "status": "unaffected", "version": "6.10", "versionType": "original_commit_for_fix" } ] } ], "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ngenirq/irqdesc: Prevent use-after-free in irq_find_at_or_after()\n\nirq_find_at_or_after() dereferences the interrupt descriptor which is\nreturned by mt_find() while neither holding sparse_irq_lock nor RCU read\nlock, which means the descriptor can be freed between mt_find() and the\ndereference:\n\n CPU0 CPU1\n desc = mt_find()\n delayed_free_desc(desc)\n irq_desc_get_irq(desc)\n\nThe use-after-free is reported by KASAN:\n\n Call trace:\n irq_get_next_irq+0x58/0x84\n show_stat+0x638/0x824\n seq_read_iter+0x158/0x4ec\n proc_reg_read_iter+0x94/0x12c\n vfs_read+0x1e0/0x2c8\n\n Freed by task 4471:\n slab_free_freelist_hook+0x174/0x1e0\n __kmem_cache_free+0xa4/0x1dc\n kfree+0x64/0x128\n irq_kobj_release+0x28/0x3c\n kobject_put+0xcc/0x1e0\n delayed_free_desc+0x14/0x2c\n rcu_do_batch+0x214/0x720\n\nGuard the access with a RCU read lock section." } ], "providerMetadata": { "dateUpdated": "2024-11-05T09:29:25.050Z", "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux" }, "references": [ { "url": "https://git.kernel.org/stable/c/1c7891812d85500ae2ca4051fa5683fcf29930d8" }, { "url": "https://git.kernel.org/stable/c/d084aa022f84319f8079e30882cbcbc026af9f21" }, { "url": "https://git.kernel.org/stable/c/b84a8aba806261d2f759ccedf4a2a6a80a5e55ba" } ], "title": "genirq/irqdesc: Prevent use-after-free in irq_find_at_or_after()", "x_generator": { "engine": "bippy-9e1c9544281a" } } }, "cveMetadata": { "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "assignerShortName": "Linux", "cveId": "CVE-2024-38385", "datePublished": "2024-06-25T14:22:37.560Z", "dateReserved": "2024-06-24T13:54:11.033Z", "dateUpdated": "2024-11-05T09:29:25.050Z", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.1", "meta": { "nvd": "{\"cve\":{\"id\":\"CVE-2024-38385\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-06-25T15:15:13.487\",\"lastModified\":\"2024-09-03T17:59:27.440\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ngenirq/irqdesc: Prevent use-after-free in irq_find_at_or_after()\\n\\nirq_find_at_or_after() dereferences the interrupt descriptor which is\\nreturned by mt_find() while neither holding sparse_irq_lock nor RCU read\\nlock, which means the descriptor can be freed between mt_find() and the\\ndereference:\\n\\n CPU0 CPU1\\n desc = mt_find()\\n delayed_free_desc(desc)\\n irq_desc_get_irq(desc)\\n\\nThe use-after-free is reported by KASAN:\\n\\n Call trace:\\n irq_get_next_irq+0x58/0x84\\n show_stat+0x638/0x824\\n seq_read_iter+0x158/0x4ec\\n proc_reg_read_iter+0x94/0x12c\\n vfs_read+0x1e0/0x2c8\\n\\n Freed by task 4471:\\n slab_free_freelist_hook+0x174/0x1e0\\n __kmem_cache_free+0xa4/0x1dc\\n kfree+0x64/0x128\\n irq_kobj_release+0x28/0x3c\\n kobject_put+0xcc/0x1e0\\n delayed_free_desc+0x14/0x2c\\n rcu_do_batch+0x214/0x720\\n\\nGuard the access with a RCU read lock section.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: genirq/irqdesc: Impide el use-after-free en irq_find_at_or_after() irq_find_at_or_after() elimina la referencia al descriptor de interrupci\u00f3n que devuelve mt_find() mientras no mantiene sparse_irq_lock ni el bloqueo de lectura de RCU, lo que significa que el descriptor se puede liberar entre mt_find() y la desreferencia: CPU0 CPU1 desc = mt_find() delay_free_desc(desc) irq_desc_get_irq(desc) KASAN informa el use-after-free: Rastreo de llamadas: irq_get_next_irq+0x58/0x84 show_stat+ 0x638/0x824 seq_read_iter+0x158/0x4ec proc_reg_read_iter+0x94/0x12c vfs_read+0x1e0/0x2c8 Liberado por la tarea 4471: slab_free_freelist_hook+0x174/0x1e0 __kmem_cache_free+0xa4/0x1dc x64/0x128 irq_kobj_release+0x28/0x3c kobject_put+0xcc/0x1e0 retardado_free_desc+ 0x14/0x2c rcu_do_batch+0x214/0x720 Protege el acceso con una secci\u00f3n de bloqueo de lectura de RCU.\"}],\"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\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-416\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.5\",\"versionEndExcluding\":\"6.6.34\",\"matchCriteriaId\":\"02FF289D-5D15-411D-9F0F-33D71A6FFC05\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"6.7\",\"versionEndExcluding\":\"6.9.5\",\"matchCriteriaId\":\"8366481F-770F-4850-9D0F-2977BD97D5C5\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/1c7891812d85500ae2ca4051fa5683fcf29930d8\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b84a8aba806261d2f759ccedf4a2a6a80a5e55ba\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/d084aa022f84319f8079e30882cbcbc026af9f21\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}" } }
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Sightings
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
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- 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.