cve-2022-48871
Vulnerability from cvelistv5
Published
2024-08-21 06:10
Modified
2024-12-19 08:09
Severity ?
EPSS score ?
Summary
tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer
References
{
"containers": {
"adp": [
{
"metrics": [
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"other": {
"content": {
"id": "CVE-2022-48871",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2024-09-10T16:05:28.910017Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2024-09-12T17:32:54.202Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Linux",
"programFiles": [
"drivers/tty/serial/qcom_geni_serial.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"lessThan": "894681682dbefdad917b88f86cde1069140a047a",
"status": "affected",
"version": "f9d690b6ece7ec9a6ff6b588df95a010ab2d66f9",
"versionType": "git"
},
{
"lessThan": "cb53a3366eb28fed67850c80afa52075bb71a38a",
"status": "affected",
"version": "f9d690b6ece7ec9a6ff6b588df95a010ab2d66f9",
"versionType": "git"
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{
"lessThan": "fd524ca7fe45b8a06dca2dd546d62684a9768f95",
"status": "affected",
"version": "f9d690b6ece7ec9a6ff6b588df95a010ab2d66f9",
"versionType": "git"
},
{
"lessThan": "b8caf69a6946e18ffebad49847e258f5b6d52ac2",
"status": "affected",
"version": "f9d690b6ece7ec9a6ff6b588df95a010ab2d66f9",
"versionType": "git"
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]
},
{
"defaultStatus": "affected",
"product": "Linux",
"programFiles": [
"drivers/tty/serial/qcom_geni_serial.c"
],
"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
"vendor": "Linux",
"versions": [
{
"status": "affected",
"version": "5.7"
},
{
"lessThan": "5.7",
"status": "unaffected",
"version": "0",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.10.*",
"status": "unaffected",
"version": "5.10.165",
"versionType": "semver"
},
{
"lessThanOrEqual": "5.15.*",
"status": "unaffected",
"version": "5.15.90",
"versionType": "semver"
},
{
"lessThanOrEqual": "6.1.*",
"status": "unaffected",
"version": "6.1.8",
"versionType": "semver"
},
{
"lessThanOrEqual": "*",
"status": "unaffected",
"version": "6.2",
"versionType": "original_commit_for_fix"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer\n\nDriver\u0027s probe allocates memory for RX FIFO (port-\u003erx_fifo) based on\ndefault RX FIFO depth, e.g. 16. Later during serial startup the\nqcom_geni_serial_port_setup() updates the RX FIFO depth\n(port-\u003erx_fifo_depth) to match real device capabilities, e.g. to 32.\n\nThe RX UART handle code will read \"port-\u003erx_fifo_depth\" number of words\ninto \"port-\u003erx_fifo\" buffer, thus exceeding the bounds. This can be\nobserved in certain configurations with Qualcomm Bluetooth HCI UART\ndevice and KASAN:\n\n Bluetooth: hci0: QCA Product ID :0x00000010\n Bluetooth: hci0: QCA SOC Version :0x400a0200\n Bluetooth: hci0: QCA ROM Version :0x00000200\n Bluetooth: hci0: QCA Patch Version:0x00000d2b\n Bluetooth: hci0: QCA controller version 0x02000200\n Bluetooth: hci0: QCA Downloading qca/htbtfw20.tlv\n bluetooth hci0: Direct firmware load for qca/htbtfw20.tlv failed with error -2\n Bluetooth: hci0: QCA Failed to request file: qca/htbtfw20.tlv (-2)\n Bluetooth: hci0: QCA Failed to download patch (-2)\n ==================================================================\n BUG: KASAN: slab-out-of-bounds in handle_rx_uart+0xa8/0x18c\n Write of size 4 at addr ffff279347d578c0 by task swapper/0/0\n\n CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-rt5-00350-gb2450b7e00be-dirty #26\n Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\n Call trace:\n dump_backtrace.part.0+0xe0/0xf0\n show_stack+0x18/0x40\n dump_stack_lvl+0x8c/0xb8\n print_report+0x188/0x488\n kasan_report+0xb4/0x100\n __asan_store4+0x80/0xa4\n handle_rx_uart+0xa8/0x18c\n qcom_geni_serial_handle_rx+0x84/0x9c\n qcom_geni_serial_isr+0x24c/0x760\n __handle_irq_event_percpu+0x108/0x500\n handle_irq_event+0x6c/0x110\n handle_fasteoi_irq+0x138/0x2cc\n generic_handle_domain_irq+0x48/0x64\n\nIf the RX FIFO depth changes after probe, be sure to resize the buffer."
}
],
"providerMetadata": {
"dateUpdated": "2024-12-19T08:09:34.519Z",
"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"shortName": "Linux"
},
"references": [
{
"url": "https://git.kernel.org/stable/c/894681682dbefdad917b88f86cde1069140a047a"
},
{
"url": "https://git.kernel.org/stable/c/cb53a3366eb28fed67850c80afa52075bb71a38a"
},
{
"url": "https://git.kernel.org/stable/c/fd524ca7fe45b8a06dca2dd546d62684a9768f95"
},
{
"url": "https://git.kernel.org/stable/c/b8caf69a6946e18ffebad49847e258f5b6d52ac2"
}
],
"title": "tty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer",
"x_generator": {
"engine": "bippy-5f407fcff5a0"
}
}
},
"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2022-48871",
"datePublished": "2024-08-21T06:10:01.859Z",
"dateReserved": "2024-07-16T11:38:08.921Z",
"dateUpdated": "2024-12-19T08:09:34.519Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"meta": {
"nvd": "{\"cve\":{\"id\":\"CVE-2022-48871\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-08-21T07:15:04.207\",\"lastModified\":\"2024-09-06T14:23:03.010\",\"vulnStatus\":\"Analyzed\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\ntty: serial: qcom-geni-serial: fix slab-out-of-bounds on RX FIFO buffer\\n\\nDriver\u0027s probe allocates memory for RX FIFO (port-\u003erx_fifo) based on\\ndefault RX FIFO depth, e.g. 16. Later during serial startup the\\nqcom_geni_serial_port_setup() updates the RX FIFO depth\\n(port-\u003erx_fifo_depth) to match real device capabilities, e.g. to 32.\\n\\nThe RX UART handle code will read \\\"port-\u003erx_fifo_depth\\\" number of words\\ninto \\\"port-\u003erx_fifo\\\" buffer, thus exceeding the bounds. This can be\\nobserved in certain configurations with Qualcomm Bluetooth HCI UART\\ndevice and KASAN:\\n\\n Bluetooth: hci0: QCA Product ID :0x00000010\\n Bluetooth: hci0: QCA SOC Version :0x400a0200\\n Bluetooth: hci0: QCA ROM Version :0x00000200\\n Bluetooth: hci0: QCA Patch Version:0x00000d2b\\n Bluetooth: hci0: QCA controller version 0x02000200\\n Bluetooth: hci0: QCA Downloading qca/htbtfw20.tlv\\n bluetooth hci0: Direct firmware load for qca/htbtfw20.tlv failed with error -2\\n Bluetooth: hci0: QCA Failed to request file: qca/htbtfw20.tlv (-2)\\n Bluetooth: hci0: QCA Failed to download patch (-2)\\n ==================================================================\\n BUG: KASAN: slab-out-of-bounds in handle_rx_uart+0xa8/0x18c\\n Write of size 4 at addr ffff279347d578c0 by task swapper/0/0\\n\\n CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-rt5-00350-gb2450b7e00be-dirty #26\\n Hardware name: Qualcomm Technologies, Inc. Robotics RB5 (DT)\\n Call trace:\\n dump_backtrace.part.0+0xe0/0xf0\\n show_stack+0x18/0x40\\n dump_stack_lvl+0x8c/0xb8\\n print_report+0x188/0x488\\n kasan_report+0xb4/0x100\\n __asan_store4+0x80/0xa4\\n handle_rx_uart+0xa8/0x18c\\n qcom_geni_serial_handle_rx+0x84/0x9c\\n qcom_geni_serial_isr+0x24c/0x760\\n __handle_irq_event_percpu+0x108/0x500\\n handle_irq_event+0x6c/0x110\\n handle_fasteoi_irq+0x138/0x2cc\\n generic_handle_domain_irq+0x48/0x64\\n\\nIf the RX FIFO depth changes after probe, be sure to resize the buffer.\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: tty: serial: qcom-geni-serial: corrige los l\u00edmites fuera de los l\u00edmites en el b\u00fafer RX FIFO La sonda del controlador asigna memoria para RX FIFO (puerto-\u0026gt;rx_fifo) seg\u00fan el valor predeterminado Profundidad FIFO de RX, por ejemplo, 16. M\u00e1s adelante, durante el inicio en serie, qcom_geni_serial_port_setup() actualiza la profundidad FIFO de RX (puerto-\u0026gt;rx_fifo_profundidad) para que coincida con las capacidades reales del dispositivo, por ejemplo, a 32. El c\u00f3digo de identificador de RX UART leer\u00e1 el n\u00famero \\\"puerto-\u0026gt;rx_fifo_profundidad\\\" de palabras en el b\u00fafer \\\"port-\u0026gt;rx_fifo\\\", excediendo as\u00ed los l\u00edmites. Esto se puede observar en ciertas configuraciones con el dispositivo Qualcomm Bluetooth HCI UART y KASAN: Bluetooth: hci0: QCA ID de producto: 0x00000010 Bluetooth: hci0: QCA SOC Version: 0x400a0200 Bluetooth: hci0: QCA ROM Version: 0x00000200 Bluetooth: hci0: QCA Patch Version :0x00000d2b Bluetooth: hci0: versi\u00f3n del controlador QCA 0x02000200 Bluetooth: hci0: QCA Descargando qca/htbtfw20.tlv bluetooth hci0: La carga directa del firmware para qca/htbtfw20.tlv fall\u00f3 con el error -2 Bluetooth: hci0: QCA No se pudo solicitar el archivo: qca/ htbtfw20.tlv (-2) Bluetooth: hci0: QCA Error al descargar el parche (-2) =============================== ==================================== ERROR: KASAN: losa fuera de los l\u00edmites en handle_rx_uart+ 0xa8/0x18c Escritura de tama\u00f1o 4 en la direcci\u00f3n ffff279347d578c0 mediante task swapper/0/0 CPU: 0 PID: 0 Comm: swapper/0 Not tainted 6.1.0-rt5-00350-gb2450b7e00be-dirty #26 Nombre de hardware: Qualcomm Technologies, Inc Rob\u00f3tica RB5 (DT) Seguimiento de llamadas: dump_backtrace.part.0+0xe0/0xf0 show_stack+0x18/0x40 dump_stack_lvl+0x8c/0xb8 print_report+0x188/0x488 kasan_report+0xb4/0x100 __asan_store4+0x80/0xa4 handle_rx_uart+0xa. 8/0x18c qcom_geni_serial_handle_rx+ 0x84/0x9c qcom_geni_serial_isr+0x24c/0x760 __handle_irq_event_percpu+0x108/0x500 handle_irq_event+0x6c/0x110 handle_fasteoi_irq+0x138/0x2cc generic_handle_domain_irq+0x48/0x64 Si la profundidad FIFO de RX cambia despu\u00e9s sonda, aseg\u00farese de cambiar el tama\u00f1o del b\u00fafer.\"}],\"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:H/I:N/A:H\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\",\"baseScore\":7.1,\"baseSeverity\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.2}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-125\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.7\",\"versionEndExcluding\":\"5.10.165\",\"matchCriteriaId\":\"5D1B38E6-531E-4689-A204-9E0178E886F5\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.90\",\"matchCriteriaId\":\"E995CDA5-7223-4FDB-BAD3-81B22C763A43\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.16\",\"versionEndExcluding\":\"6.1.8\",\"matchCriteriaId\":\"A6AFE6C9-3F59-4711-B2CF-7D6682FF6BD0\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/894681682dbefdad917b88f86cde1069140a047a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/b8caf69a6946e18ffebad49847e258f5b6d52ac2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/cb53a3366eb28fed67850c80afa52075bb71a38a\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/fd524ca7fe45b8a06dca2dd546d62684a9768f95\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]}]}}"
}
}
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- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- 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.