mirror of
https://github.com/CVEProject/cvelist.git
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118 lines
6.5 KiB
JSON
118 lines
6.5 KiB
JSON
{
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"data_version": "4.0",
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2024-26998",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nserial: core: Clearing the circular buffer before NULLifying it\n\nThe circular buffer is NULLified in uart_tty_port_shutdown()\nunder the spin lock. However, the PM or other timer based callbacks\nmay still trigger after this event without knowning that buffer pointer\nis not valid. Since the serial code is a bit inconsistent in checking\nthe buffer state (some rely on the head-tail positions, some on the\nbuffer pointer), it's better to have both aligned, i.e. buffer pointer\nto be NULL and head-tail possitions to be the same, meaning it's empty.\nThis will prevent asynchronous calls to dereference NULL pointer as\nreported recently in 8250 case:\n\n BUG: kernel NULL pointer dereference, address: 00000cf5\n Workqueue: pm pm_runtime_work\n EIP: serial8250_tx_chars (drivers/tty/serial/8250/8250_port.c:1809)\n ...\n ? serial8250_tx_chars (drivers/tty/serial/8250/8250_port.c:1809)\n __start_tx (drivers/tty/serial/8250/8250_port.c:1551)\n serial8250_start_tx (drivers/tty/serial/8250/8250_port.c:1654)\n serial_port_runtime_suspend (include/linux/serial_core.h:667 drivers/tty/serial/serial_port.c:63)\n __rpm_callback (drivers/base/power/runtime.c:393)\n ? serial_port_remove (drivers/tty/serial/serial_port.c:50)\n rpm_suspend (drivers/base/power/runtime.c:447)\n\nThe proposed change will prevent ->start_tx() to be called during\nsuspend on shut down port."
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "434beb66368d",
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"version_value": "7ae7104d5434"
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},
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{
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"version_affected": "<",
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"version_name": "43066e32227e",
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"version_value": "bb1118905e87"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "6.8",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.8",
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"status": "unaffected",
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"versionType": "custom"
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},
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{
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"version": "6.6.29",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "custom"
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},
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{
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"version": "6.8.8",
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"lessThanOrEqual": "6.8.*",
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"status": "unaffected",
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"versionType": "custom"
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},
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{
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"version": "6.9",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/7ae7104d54342433a3a73975f6569beefdd86350",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/7ae7104d54342433a3a73975f6569beefdd86350"
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},
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{
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"url": "https://git.kernel.org/stable/c/bb1118905e875c111d7ccef9aee86ac5e4e7f985",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/bb1118905e875c111d7ccef9aee86ac5e4e7f985"
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},
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{
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"url": "https://git.kernel.org/stable/c/9cf7ea2eeb745213dc2a04103e426b960e807940",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/9cf7ea2eeb745213dc2a04103e426b960e807940"
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}
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]
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},
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"generator": {
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"engine": "bippy-a5840b7849dd"
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}
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} |