mirror of
https://github.com/CVEProject/cvelist.git
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124 lines
6.6 KiB
JSON
124 lines
6.6 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-2024-26761",
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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\ncxl/pci: Fix disabling memory if DVSEC CXL Range does not match a CFMWS window\n\nThe Linux CXL subsystem is built on the assumption that HPA == SPA.\nThat is, the host physical address (HPA) the HDM decoder registers are\nprogrammed with are system physical addresses (SPA).\n\nDuring HDM decoder setup, the DVSEC CXL range registers (cxl-3.1,\n8.1.3.8) are checked if the memory is enabled and the CXL range is in\na HPA window that is described in a CFMWS structure of the CXL host\nbridge (cxl-3.1, 9.18.1.3).\n\nNow, if the HPA is not an SPA, the CXL range does not match a CFMWS\nwindow and the CXL memory range will be disabled then. The HDM decoder\nstops working which causes system memory being disabled and further a\nsystem hang during HDM decoder initialization, typically when a CXL\nenabled kernel boots.\n\nPrevent a system hang and do not disable the HDM decoder if the\ndecoder's CXL range is not found in a CFMWS window.\n\nNote the change only fixes a hardware hang, but does not implement\nHPA/SPA translation. Support for this can be added in a follow on\npatch series."
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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": "34e37b4c432c",
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"version_value": "031217128990"
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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": "5.19",
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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": "5.19",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.1.80",
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"lessThanOrEqual": "6.1.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.6.19",
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"lessThanOrEqual": "6.6.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.7.7",
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"lessThanOrEqual": "6.7.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.8",
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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/031217128990d7f0ab8c46db1afb3cf1e075fd29",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/031217128990d7f0ab8c46db1afb3cf1e075fd29"
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},
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{
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"url": "https://git.kernel.org/stable/c/2cc1a530ab31c65b52daf3cb5d0883c8b614ea69",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/2cc1a530ab31c65b52daf3cb5d0883c8b614ea69"
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},
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{
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"url": "https://git.kernel.org/stable/c/3a3181a71935774bda2398451256d7441426420b",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/3a3181a71935774bda2398451256d7441426420b"
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},
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{
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"url": "https://git.kernel.org/stable/c/0cab687205986491302cd2e440ef1d253031c221",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/0cab687205986491302cd2e440ef1d253031c221"
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}
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]
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},
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"generator": {
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"engine": "bippy-9e1c9544281a"
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}
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} |