cve-2024-26876
Vulnerability from cvelistv5
Published
2024-04-17 10:27
Modified
2024-08-02 00:21
Severity
Summary
drm/bridge: adv7511: fix crash on irq during probe
References
SourceURLTags
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/28a94271bd50e4cf498df0381f776f8ea40a289e
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/955c1252930677762e0db2b6b9e36938c887445c
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/aeedaee5ef5468caf59e2bb1265c2116e0c9a924
Impacted products
VendorProduct
LinuxLinux
LinuxLinux
Show details on NVD website

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          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrm/bridge: adv7511: fix crash on irq during probe\n\nMoved IRQ registration down to end of adv7511_probe().\n\nIf an IRQ already is pending during adv7511_probe\n(before adv7511_cec_init) then cec_received_msg_ts\ncould crash using uninitialized data:\n\n    Unable to handle kernel read from unreadable memory at virtual address 00000000000003d5\n    Internal error: Oops: 96000004 [#1] PREEMPT_RT SMP\n    Call trace:\n     cec_received_msg_ts+0x48/0x990 [cec]\n     adv7511_cec_irq_process+0x1cc/0x308 [adv7511]\n     adv7511_irq_process+0xd8/0x120 [adv7511]\n     adv7511_irq_handler+0x1c/0x30 [adv7511]\n     irq_thread_fn+0x30/0xa0\n     irq_thread+0x14c/0x238\n     kthread+0x190/0x1a8"
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    "dateReserved": "2024-02-19T14:20:24.185Z",
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    "nvd": "{\"cve\":{\"id\":\"CVE-2024-26876\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-04-17T11:15:09.777\",\"lastModified\":\"2024-04-17T12:48:07.510\",\"vulnStatus\":\"Awaiting Analysis\",\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ndrm/bridge: adv7511: fix crash on irq during probe\\n\\nMoved IRQ registration down to end of adv7511_probe().\\n\\nIf an IRQ already is pending during adv7511_probe\\n(before adv7511_cec_init) then cec_received_msg_ts\\ncould crash using uninitialized data:\\n\\n    Unable to handle kernel read from unreadable memory at virtual address 00000000000003d5\\n    Internal error: Oops: 96000004 [#1] PREEMPT_RT SMP\\n    Call trace:\\n     cec_received_msg_ts+0x48/0x990 [cec]\\n     adv7511_cec_irq_process+0x1cc/0x308 [adv7511]\\n     adv7511_irq_process+0xd8/0x120 [adv7511]\\n     adv7511_irq_handler+0x1c/0x30 [adv7511]\\n     irq_thread_fn+0x30/0xa0\\n     irq_thread+0x14c/0x238\\n     kthread+0x190/0x1a8\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: drm/bridge: adv7511: corrige el fallo en irq durante la sonda Se movi\u00f3 el registro de IRQ al final de adv7511_probe(). Si ya hay una IRQ pendiente durante adv7511_probe (antes de adv7511_cec_init), entonces cec_received_msg_ts podr\u00eda fallar usando datos no inicializados: No se puede manejar la lectura del kernel desde memoria ilegible en la direcci\u00f3n virtual 00000000000003d5 Error interno: Ups: 96000004 [#1] PREEMPT_RT SMP Seguimiento de llamadas: _ts+0x48 /0x990 [cec] adv7511_cec_irq_process+0x1cc/0x308 [adv7511] adv7511_irq_process+0xd8/0x120 [adv7511] adv7511_irq_handler+0x1c/0x30 [adv7511] irq_thread_fn+0x30/0xa0 leer+0x14c/0x238 khilo+0x190/0x1a8\"}],\"metrics\":{},\"references\":[{\"url\":\"https://git.kernel.org/stable/c/28a94271bd50e4cf498df0381f776f8ea40a289e\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/955c1252930677762e0db2b6b9e36938c887445c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"},{\"url\":\"https://git.kernel.org/stable/c/aeedaee5ef5468caf59e2bb1265c2116e0c9a924\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\"}]}}"
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