mirror of
https://github.com/CVEProject/cvelist.git
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102 lines
5.0 KiB
JSON
102 lines
5.0 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-2021-47108",
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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\ndrm/mediatek: hdmi: Perform NULL pointer check for mtk_hdmi_conf\n\nIn commit 41ca9caaae0b\n(\"drm/mediatek: hdmi: Add check for CEA modes only\") a check\nfor CEA modes was added to function mtk_hdmi_bridge_mode_valid()\nin order to address possible issues on MT8167;\nmoreover, with commit c91026a938c2\n(\"drm/mediatek: hdmi: Add optional limit on maximal HDMI mode clock\")\nanother similar check was introduced.\n\nUnfortunately though, at the time of writing, MT8173 does not provide\nany mtk_hdmi_conf structure and this is crashing the kernel with NULL\npointer upon entering mtk_hdmi_bridge_mode_valid(), which happens as\nsoon as a HDMI cable gets plugged in.\n\nTo fix this regression, add a NULL pointer check for hdmi->conf in the\nsaid function, restoring HDMI functionality and avoiding NULL pointer\nkernel panics."
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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": "41ca9caaae0b",
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"version_value": "71d07ebc5000"
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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": "5.14",
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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": "5.14",
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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": "5.15.12",
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"lessThanOrEqual": "5.15.*",
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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": "5.16",
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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/71d07ebc5000b9c1d140e99e7493b0bafa954776",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/71d07ebc5000b9c1d140e99e7493b0bafa954776"
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},
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{
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"url": "https://git.kernel.org/stable/c/3b8e19a0aa3933a785be9f1541afd8d398c4ec69",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/3b8e19a0aa3933a785be9f1541afd8d398c4ec69"
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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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} |