CVE-2023-52567
Vulnerability from cvelistv5
Published
2024-03-02 21:59
Modified
2024-11-04 14:48
Severity ?
Summary
serial: 8250_port: Check IRQ data before use
References
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/2b837f13a818f96304736453ac53b66a70aaa4f2Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/3345cc5f02f1fb4c4dcb114706f2210d879ab933Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/bf3c728e3692cc6d998874f0f27d433117348742Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/c334650150c29234b0923476f51573ae1b2f252aPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/cce7fc8b29961b64fadb1ce398dc5ff32a79643bPatch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e14afa4450cb7e4cf93e993a765801203d41d014Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e14f68a48fd445a083ac0750fafcb064df5f18f7Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ee5732caaffba3a37e753fdb89b4958db9a61847Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/2b837f13a818f96304736453ac53b66a70aaa4f2Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/3345cc5f02f1fb4c4dcb114706f2210d879ab933Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/bf3c728e3692cc6d998874f0f27d433117348742Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/c334650150c29234b0923476f51573ae1b2f252aPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/cce7fc8b29961b64fadb1ce398dc5ff32a79643bPatch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e14afa4450cb7e4cf93e993a765801203d41d014Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/e14f68a48fd445a083ac0750fafcb064df5f18f7Patch
af854a3a-2127-422b-91ae-364da2661108https://git.kernel.org/stable/c/ee5732caaffba3a37e753fdb89b4958db9a61847Patch
Impacted products
Vendor Product Version
Linux Linux Version: 6.4
Show details on NVD website

To clipboard 

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In such a case we need to skip the wake\\nevent as we came to this path from the timer interrupt and quite\\nlikely system is already awake.\\n\\nWithout this fix we have got an Oops:\\n\\n    serial8250: ttyS0 at I/O 0x3f8 (irq = 0, base_baud = 115200) is a 16550A\\n    ...\\n    BUG: kernel NULL pointer dereference, address: 0000000000000010\\n    RIP: 0010:serial8250_handle_irq+0x7c/0x240\\n    Call Trace:\\n     ? serial8250_handle_irq+0x7c/0x240\\n     ? __pfx_serial8250_timeout+0x10/0x10\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: serial: 8250_port: verifique los datos IRQ antes de usarlos. En caso de que el controlador hoja quiera usar el sondeo IRQ (irq = 0) y el registro IIR muestre que ocurri\u00f3 una interrupci\u00f3n en el hardware 8250, el IRQ los datos pueden ser NULL. En tal caso, debemos omitir el evento de activaci\u00f3n, ya que llegamos a este camino desde la interrupci\u00f3n del temporizador y es muy probable que el sistema ya est\u00e9 despierto. Sin esta soluci\u00f3n, tenemos un Ups: serial8250: ttyS0 en E/S 0x3f8 (irq = 0, base_baud = 115200) es un 16550A... ERROR: desreferencia del puntero NULL del kernel, direcci\u00f3n: 00000000000000010 RIP: 0010:serial8250_handle_irq+0x7c/ 0x240 Seguimiento de llamadas: ? serial8250_handle_irq+0x7c/0x240? 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}


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