{"dataType":"CVE_RECORD","dataVersion":"5.1","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":"2025-05-04T12:55:06.492Z"},"containers":{"cna":{"providerMetadata":{"orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux","dateUpdated":"2025-05-04T12:55:06.492Z"},"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 <TASK>\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"}]},{"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"}}]}}