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        "text": "An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Extended Update Support.\n\nRed Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.",
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        "text": "The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements.\n\nSecurity Fix(es):\n\n* kernel: net/sched: cls_u32 component reference counter leak if tcf_change_indev() fails (CVE-2023-3609)\n\n* kernel: tun: bugs for oversize packet when napi frags enabled in tun_napi_alloc_frags (CVE-2023-3812)\n\n* kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route (CVE-2023-4128, CVE-2023-4206, CVE-2023-4207, CVE-2023-4208)\n\n* kernel: use after free in nvmet_tcp_free_crypto in NVMe (CVE-2023-5178)\n\n* kernel: netfilter: potential slab-out-of-bound access due to integer underflow (CVE-2023-42753)\n\n* kernel: AMD: Cross-Thread Return Address Predictions (CVE-2022-27672)\n\n* hw: Intel: Gather Data Sampling (GDS) side channel vulnerability (CVE-2022-40982)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
        "title": "Details"
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        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.",
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          "text": "A flaw was found in HW. When SMT is enabled, certain AMD processors may speculatively execute instructions using a target from the sibling thread after an SMT mode switch, potentially resulting in information disclosure.",
          "title": "Vulnerability description"
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          "text": "kernel: AMD: Cross-Thread Return Address Predictions",
          "title": "Vulnerability summary"
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          "text": "The Red Hat Enterprise Linux 8 and 9 are not affected if spectre_v2 mitigation enabled (and it is enabled by default).",
          "title": "Statement"
        },
        {
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          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "category": "self",
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          "url": "https://access.redhat.com/security/cve/CVE-2022-27672"
        },
        {
          "category": "external",
          "summary": "RHBZ#2174765",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2174765"
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        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2022-27672",
          "url": "https://www.cve.org/CVERecord?id=CVE-2022-27672"
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2022-27672",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2022-27672"
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        {
          "category": "external",
          "summary": "https://kernel.org/doc/html//next/admin-guide/hw-vuln/cross-thread-rsb.html",
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          "category": "external",
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          "text": "A Gather Data Sampling (GDS) transient execution side-channel vulnerability was found affecting certain Intel processors. This issue may allow a local attacker using gather instruction (load from memory) to infer stale data from previously used vector registers on the same physical core.",
          "title": "Vulnerability description"
        },
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          "category": "summary",
          "text": "hw: Intel: Gather Data Sampling (GDS) side channel vulnerability",
          "title": "Vulnerability summary"
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          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
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          "title": "Vulnerability description"
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          "title": "Vulnerability description"
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          "category": "summary",
          "text": "kernel: net/sched: Use-after-free vulnerabilities in the net/sched classifiers: cls_fw, cls_u32 and cls_route",
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          "text": "A use-after-free vulnerability was found in drivers/nvme/target/tcp.c` in `nvmet_tcp_free_crypto` due to a logical bug in the NVMe/TCP subsystem in the Linux kernel. This issue may allow a malicious user to cause a use-after-free and double-free problem, which may permit remote code execution or lead to local privilege escalation.",
          "title": "Vulnerability description"
        },
        {
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          "text": "kernel: use after free in nvmet_tcp_free_crypto in NVMe",
          "title": "Vulnerability summary"
        },
        {
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          "title": "Statement"
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-5178"
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          "category": "external",
          "summary": "RHBZ#2241924",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2241924"
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          "url": "https://www.cve.org/CVERecord?id=CVE-2023-5178"
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-5178",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-5178"
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      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "kernel: netfilter: potential slab-out-of-bound access due to integer underflow"
    }
  ]
}