{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-26892", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-02-19T14:20:24.186Z", "datePublished": "2024-04-17T10:27:44.697Z", "dateUpdated": "2026-05-23T15:39:42.001Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:39:42.001Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7921e: fix use-after-free in free_irq()\n\nFrom commit a304e1b82808 (\"[PATCH] Debug shared irqs\"), there is a test\nto make sure the shared irq handler should be able to handle the unexpected\nevent after deregistration. For this case, let's apply MT76_REMOVED flag to\nindicate the device was removed and do not run into the resource access\nanymore.\n\nBUG: KASAN: use-after-free in mt7921_irq_handler+0xd8/0x100 [mt7921e]\nRead of size 8 at addr ffff88824a7d3b78 by task rmmod/11115\nCPU: 28 PID: 11115 Comm: rmmod Tainted: G W L 5.17.0 #10\nHardware name: Micro-Star International Co., Ltd. MS-7D73/MPG B650I\nEDGE WIFI (MS-7D73), BIOS 1.81 01/05/2024\nCall Trace:\n \n dump_stack_lvl+0x6f/0xa0\n print_address_description.constprop.0+0x1f/0x190\n ? mt7921_irq_handler+0xd8/0x100 [mt7921e]\n ? mt7921_irq_handler+0xd8/0x100 [mt7921e]\n kasan_report.cold+0x7f/0x11b\n ? mt7921_irq_handler+0xd8/0x100 [mt7921e]\n mt7921_irq_handler+0xd8/0x100 [mt7921e]\n free_irq+0x627/0xaa0\n devm_free_irq+0x94/0xd0\n ? devm_request_any_context_irq+0x160/0x160\n ? kobject_put+0x18d/0x4a0\n mt7921_pci_remove+0x153/0x190 [mt7921e]\n pci_device_remove+0xa2/0x1d0\n __device_release_driver+0x346/0x6e0\n driver_detach+0x1ef/0x2c0\n bus_remove_driver+0xe7/0x2d0\n ? __check_object_size+0x57/0x310\n pci_unregister_driver+0x26/0x250\n __do_sys_delete_module+0x307/0x510\n ? free_module+0x6a0/0x6a0\n ? fpregs_assert_state_consistent+0x4b/0xb0\n ? rcu_read_lock_sched_held+0x10/0x70\n ? syscall_enter_from_user_mode+0x20/0x70\n ? trace_hardirqs_on+0x1c/0x130\n do_syscall_64+0x5c/0x80\n ? trace_hardirqs_on_prepare+0x72/0x160\n ? do_syscall_64+0x68/0x80\n ? trace_hardirqs_on_prepare+0x72/0x160\n entry_SYSCALL_64_after_hwframe+0x44/0xae" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/wireless/mediatek/mt76/mt7921/pci.c", "drivers/net/wireless/mediatek/mt76/mt792x_dma.c" ], "versions": [ { "version": "9270270d62191b7549296721e8d5f3dc0df01563", "lessThan": "c7dd42fbebcfb02bef070fd48f774d6412d0b49d", "status": "affected", "versionType": "git" }, { "version": "9270270d62191b7549296721e8d5f3dc0df01563", "lessThan": "bfe1adf1606f76c180324e53b130f0e76d5cc6c3", "status": "affected", "versionType": "git" }, { "version": "9270270d62191b7549296721e8d5f3dc0df01563", "lessThan": "bfeaef901194c5923ce3330272786eff2fac513a", "status": "affected", "versionType": "git" }, { "version": "9270270d62191b7549296721e8d5f3dc0df01563", "lessThan": "c957280ef6ab6bdf559a91ae693a6b34310697e3", "status": "affected", "versionType": "git" }, { "version": "a76eaaaafd8b408238d7865bbbbd311f08988f3d", "status": "affected", "versionType": "git" }, { "version": "95e41ac30a0d0b3637f0b3c93235a7a107a2fb7f", "status": "affected", "versionType": "git" }, { "version": "6.2.15", "lessThan": "6.3", "status": "affected", "versionType": "semver" }, { "version": "6.3.2", "lessThan": "6.4", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/wireless/mediatek/mt76/mt7921/pci.c", "drivers/net/wireless/mediatek/mt76/mt792x_dma.c" ], "versions": [ { "version": "6.4", "status": "affected" }, { "version": "0", "lessThan": "6.4", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.23", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.7.11", "lessThanOrEqual": "6.7.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.8.2", "lessThanOrEqual": "6.8.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.9", "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": "6.4", "versionEndExcluding": "6.6.23" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.7.11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.8.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.4", "versionEndExcluding": "6.9" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.2.15" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.3.2" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/c7dd42fbebcfb02bef070fd48f774d6412d0b49d" }, { "url": "https://git.kernel.org/stable/c/bfe1adf1606f76c180324e53b130f0e76d5cc6c3" }, { "url": "https://git.kernel.org/stable/c/bfeaef901194c5923ce3330272786eff2fac513a" }, { "url": "https://git.kernel.org/stable/c/c957280ef6ab6bdf559a91ae693a6b34310697e3" } ], "title": "wifi: mt76: mt7921e: fix use-after-free in free_irq()", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T00:21:05.703Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/c7dd42fbebcfb02bef070fd48f774d6412d0b49d", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/bfe1adf1606f76c180324e53b130f0e76d5cc6c3", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/bfeaef901194c5923ce3330272786eff2fac513a", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/c957280ef6ab6bdf559a91ae693a6b34310697e3", "tags": [ "x_transferred" ] } ] }, { "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2024-26892", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-09-10T15:48:16.046141Z" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-09-11T17:33:24.499Z" } } ] } }