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cvelist/2023/6xxx/CVE-2023-6546.json

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{
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"data_version": "4.0",
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"data_type": "CVE",
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"ID": "CVE-2023-6546",
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"ASSIGNER": "secalert@redhat.com",
"STATE": "PUBLIC"
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},
"description": {
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"value": "A race condition was found in the GSM 0710 tty multiplexor in the Linux kernel. This issue occurs when two threads execute the GSMIOC_SETCONF ioctl on the same tty file descriptor with the gsm line discipline enabled, and can lead to a use-after-free problem on a struct gsm_dlci while restarting the gsm mux. This could allow a local unprivileged user to escalate their privileges on the system."
}
]
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"value": "Use After Free",
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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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{
"url": "https://access.redhat.com/errata/RHSA-2024:0930",
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"name": "https://access.redhat.com/errata/RHSA-2024:0930"
},
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{
"url": "https://access.redhat.com/errata/RHSA-2024:0937",
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"name": "https://access.redhat.com/errata/RHSA-2024:0937"
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{
"url": "https://access.redhat.com/errata/RHSA-2024:1018",
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"name": "https://access.redhat.com/errata/RHSA-2024:1018"
},
{
"url": "https://access.redhat.com/errata/RHSA-2024:1019",
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"name": "https://access.redhat.com/errata/RHSA-2024:1019"
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{
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{
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{
"url": "https://access.redhat.com/errata/RHSA-2024:1306",
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"name": "https://access.redhat.com/errata/RHSA-2024:1306"
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{
"url": "https://access.redhat.com/errata/RHSA-2024:1607",
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"name": "https://access.redhat.com/errata/RHSA-2024:1607"
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{
"url": "https://access.redhat.com/errata/RHSA-2024:1612",
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"name": "https://access.redhat.com/errata/RHSA-2024:1612"
},
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{
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"name": "https://access.redhat.com/errata/RHSA-2024:1614"
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{
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{
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{
"url": "https://access.redhat.com/security/cve/CVE-2023-6546",
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{
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"name": "https://github.com/torvalds/linux/commit/3c4f8333b582487a2d1e02171f1465531cde53e3"
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},
{
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},
{
"url": "http://www.openwall.com/lists/oss-security/2024/04/10/21",
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},
{
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{
"url": "http://www.openwall.com/lists/oss-security/2024/04/10/18",
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{
"url": "http://www.openwall.com/lists/oss-security/2024/04/16/2",
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},
{
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}
]
},
"work_around": [
{
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"value": "This flaw can be mitigated by preventing the affected `n_gsm` kernel module from being loaded. For instructions on how to blacklist a kernel module, please see https://access.redhat.com/solutions/41278."
}
],
"impact": {
"cvss": [
{
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"attackComplexity": "HIGH",
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"attackVector": "LOCAL",
"availabilityImpact": "HIGH",
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"baseScore": 7,
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"baseSeverity": "HIGH",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
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"version": "3.1"
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}
]
}
}
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