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        "text": "An update for kernel is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.\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": "In the Linux kernel, the following vulnerability has been resolved:\n\ndm btree remove: fix use after free in rebalance_children()\n\nMove dm_tm_unlock() after dm_tm_dec().",
          "title": "Vulnerability description"
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          "text": "kernel: dm btree remove: fix use after free in rebalance_children()",
          "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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        {
          "category": "impact",
          "details": "Low"
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      ],
      "title": "kernel: dm btree remove: fix use after free in rebalance_children()"
    },
    {
      "cve": "CVE-2023-52924",
      "cwe": {
        "id": "CWE-664",
        "name": "Improper Control of a Resource Through its Lifetime"
      },
      "discovery_date": "2025-02-05T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2343897"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: nf_tables: don\u0027t skip expired elements during walk\n\nThere is an asymmetry between commit/abort and preparation phase if the\nfollowing conditions are met:\n\n1. set is a verdict map (\"1.2.3.4 : jump foo\")\n2. timeouts are enabled\n\nIn this case, following sequence is problematic:\n\n1. element E in set S refers to chain C\n2. userspace requests removal of set S\n3. kernel does a set walk to decrement chain-\u003euse count for all elements\n   from preparation phase\n4. kernel does another set walk to remove elements from the commit phase\n   (or another walk to do a chain-\u003euse increment for all elements from\n    abort phase)\n\nIf E has already expired in 1), it will be ignored during list walk, so its use count\nwon\u0027t have been changed.\n\nThen, when set is culled, -\u003edestroy callback will zap the element via\nnf_tables_set_elem_destroy(), but this function is only safe for\nelements that have been deactivated earlier from the preparation phase:\nlack of earlier deactivate removes the element but leaks the chain use\ncount, which results in a WARN splat when the chain gets removed later,\nplus a leak of the nft_chain structure.\n\nUpdate pipapo_get() not to skip expired elements, otherwise flush\ncommand reports bogus ENOENT errors.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: netfilter: nf_tables: don\u0027t skip expired elements during walk",
          "title": "Vulnerability summary"
        },
        {
          "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.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2023-52924"
        },
        {
          "category": "external",
          "summary": "RHBZ#2343897",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2343897"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2023-52924",
          "url": "https://www.cve.org/CVERecord?id=CVE-2023-52924"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2023-52924",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-52924"
        },
        {
          "category": "external",
          "summary": "https://lore.kernel.org/linux-cve-announce/2025020500-CVE-2023-52924-03d7@gregkh/T",
          "url": "https://lore.kernel.org/linux-cve-announce/2025020500-CVE-2023-52924-03d7@gregkh/T"
        }
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      "release_date": "2025-02-05T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-09T01:05:17+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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          "details": "Important"
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      "title": "kernel: netfilter: nf_tables: don\u0027t skip expired elements during walk"
    },
    {
      "cve": "CVE-2026-17523",
      "cwe": {
        "id": "CWE-825",
        "name": "Expired Pointer Dereference"
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      "discovery_date": "2026-07-27T07:49:36.866000+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2507407"
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Linux kernel in net/can/bcm.c in can: bcm, where an unprivileged local user can exploit this vulnerability to execute arbitrary code within the kernel, which leads to a local privilege escalation (LPE). This allows the attacker to gain root privileges and take full control of the affected system.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: can:bcm: arbitrary kernel code execution leading to escalate privileges",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "This is an Important flaw in the Linux kernel\u0027s CAN BCM module that allows a local unprivileged attacker to achieve root privileges through arbitrary kernel code execution. The vulnerability is present in Red Hat Enterprise Linux 8, where a proof of concept has demonstrated local privilege escalation, even without unprivileged user namespaces or the `kernel-modules-extra` package.",
          "title": "Statement"
        },
        {
          "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.",
          "title": "CVSS score applicability"
        }
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-17523"
        },
        {
          "category": "external",
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507407"
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-17523",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-17523"
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          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-17523",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-17523"
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          "category": "external",
          "summary": "https://github.com/torvalds/linux/commit/bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68",
          "url": "https://github.com/torvalds/linux/commit/bf74aa86e111aa3b2fbb25db37e3a3fab71b5b68"
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          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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        {
          "category": "impact",
          "details": "Important"
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      "title": "kernel: can:bcm: arbitrary kernel code execution leading to escalate privileges"
    },
    {
      "cve": "CVE-2026-31411",
      "cwe": {
        "id": "CWE-822",
        "name": "Untrusted Pointer Dereference"
      },
      "discovery_date": "2026-04-08T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2456521"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Linux kernel\u0027s Asynchronous Transfer Mode (ATM) networking component. A local attacker, by acting as a malicious signaling daemon, could send a specially crafted message containing an unvalidated pointer. This unvalidated pointer would be directly used by the kernel, leading to the dereference of an arbitrary memory address. The consequence is a system crash, resulting in a Denial of Service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: net: atm: fix crash due to unvalidated vcc pointer in sigd_send()",
          "title": "Vulnerability summary"
        },
        {
          "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.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-31411"
        },
        {
          "category": "external",
          "summary": "RHBZ#2456521",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2456521"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-31411",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-31411"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-31411",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31411"
        },
        {
          "category": "external",
          "summary": "https://lore.kernel.org/linux-cve-announce/2026040820-CVE-2026-31411-7ef9@gregkh/T",
          "url": "https://lore.kernel.org/linux-cve-announce/2026040820-CVE-2026-31411-7ef9@gregkh/T"
        }
      ],
      "release_date": "2026-04-08T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-09T01:05:17+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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            "attackVector": "LOCAL",
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            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H",
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          "category": "impact",
          "details": "Moderate"
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      "title": "kernel: net: atm: fix crash due to unvalidated vcc pointer in sigd_send()"
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    {
      "cve": "CVE-2026-46120",
      "cwe": {
        "id": "CWE-763",
        "name": "Release of Invalid Pointer or Reference"
      },
      "discovery_date": "2026-05-28T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2482614"
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      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Linux kernel\u0027s ip6_gre module. An unprivileged user could exploit this vulnerability by migrating a network device, causing the ip6erspan_changelink() function to incorrectly handle network namespace references. This error leads to a use-after-free condition when the original network namespace is destroyed, potentially resulting in a kernel bug and system instability or denial of service.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: ip6_gre: Use cached t-\u003enet in ip6erspan_changelink()",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "ip6erspan_changelink used dev_net(dev) instead of the cached tunnel net namespace, so after IFLA_NET_NS_FD migration the tunnel could be reinserted into the wrong per netns ip6gre hash while a stale entry remained in the original namespace. Destroying that namespace later can walk the stale entry and trigger a slab use-after-free followed by a kernel BUG in unregister_netdevice_many_notify. For the CVSS the PR:L is used for the paranoid score because the commit states this is reachable from an unprivileged user namespace using unshare with user and net namespaces, not only from full host root. The issue is not directly network reachable by packet traffic and is triggered through local netlink namespace and tunnel lifecycle operations.",
          "title": "Statement"
        },
        {
          "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.",
          "title": "CVSS score applicability"
        }
      ],
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          "category": "external",
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          "category": "impact",
          "details": "Moderate"
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      "title": "kernel: ip6_gre: Use cached t-\u003enet in ip6erspan_changelink()"
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    {
      "cve": "CVE-2026-53006",
      "cwe": {
        "id": "CWE-825",
        "name": "Expired Pointer Dereference"
      },
      "discovery_date": "2026-06-24T00:00:00+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2492363"
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Linux kernel\u0027s IPv6 (Internet Protocol version 6) implementation. This vulnerability, a Use-After-Free (UAF) error, occurs due to incorrect caching of network packet addresses before a memory operation. An attacker could potentially exploit this flaw to cause memory corruption, which may lead to a denial of service or, in some scenarios, arbitrary code execution.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: ipv6: fix possible UAF in icmpv6_rcv()",
          "title": "Vulnerability summary"
        },
        {
          "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.",
          "title": "CVSS score applicability"
        }
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        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "kernel: ipv6: fix possible UAF in icmpv6_rcv()"
    },
    {
      "cve": "CVE-2026-53016",
      "cwe": {
        "id": "CWE-805",
        "name": "Buffer Access with Incorrect Length Value"
      },
      "discovery_date": "2026-06-24T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2492269"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Linux kernel\u0027s cryptographic coprocessor (CCP) driver. When processing AF_ALG rfc3686-ctr-aes-ccp requests, the ccp_aes_complete() function attempts to restore more data than the allocated buffer for the Initialization Vector (IV) can hold. This leads to a buffer overrun, which can result in memory corruption within the kernel.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: crypto: ccp - copy IV using skcipher ivsize",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "An out-of-bounds write exists in the AMD CCP AES completion path because ccp_aes_complete() restores AES_BLOCK_SIZE bytes into req iv even when the selected skcipher exposes a shorter IV. For RFC3686 CTR AES through AF_ALG, the caller IV can be 8 bytes while the driver copies 16 bytes, overwriting memory past the provided IV buffer. For the CVSS the PR:L is used because a local user or local process can reach AF_ALG crypto interfaces without needing full administrator privileges when the vulnerable CCP backed algorithm is available. The issue is not network reachable and requires local code execution on a system with the affected CCP crypto driver and algorithm available.",
          "title": "Statement"
        },
        {
          "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.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-53016"
        },
        {
          "category": "external",
          "summary": "RHBZ#2492269",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492269"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-53016",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-53016"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-53016",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53016"
        },
        {
          "category": "external",
          "summary": "https://lore.kernel.org/linux-cve-announce/2026062451-CVE-2026-53016-90ac@gregkh/T",
          "url": "https://lore.kernel.org/linux-cve-announce/2026062451-CVE-2026-53016-90ac@gregkh/T"
        }
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      "release_date": "2026-06-24T00:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2026-09-09T01:05:17+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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          "details": "Moderate"
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      "title": "kernel: crypto: ccp - copy IV using skcipher ivsize"
    },
    {
      "cve": "CVE-2026-53071",
      "cwe": {
        "id": "CWE-416",
        "name": "Use After Free"
      },
      "discovery_date": "2026-06-24T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2492458"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Linux kernel\u0027s Bluetooth Logical Link Control and Adaptation Protocol (L2CAP) implementation. A remote Bluetooth Low Energy (BLE) device can exploit this by sending a specially crafted L2CAP ECRED reconfiguration response. This can lead to the corruption of the channel list, potentially causing a Denial of Service (DoS) by making the system unstable or unresponsive. The vulnerability is due to a missing channel lock when a channel is deleted.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Bluetooth L2CAP ECRED reconfiguration response handling can call l2cap_chan_del() without holding the channel lock while another thread may be iterating the same channel list. A remote BLE peer in radio range can send a crafted ECRED reconfiguration response and trigger a race that may corrupt the L2CAP channel list, leading at least to a kernel crash or connection state corruption. The issue is adjacent network reachable rather than Internet reachable because Bluetooth radio proximity is required.",
          "title": "Statement"
        },
        {
          "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.",
          "title": "CVSS score applicability"
        }
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        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-53071"
        },
        {
          "category": "external",
          "summary": "RHBZ#2492458",
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-53071",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-53071"
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        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-53071",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53071"
        },
        {
          "category": "external",
          "summary": "https://lore.kernel.org/linux-cve-announce/2026062404-CVE-2026-53071-bdae@gregkh/T",
          "url": "https://lore.kernel.org/linux-cve-announce/2026062404-CVE-2026-53071-bdae@gregkh/T"
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      "release_date": "2026-06-24T00:00:00+00:00",
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          "date": "2026-09-09T01:05:17+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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          "details": "Moderate"
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      "title": "kernel: Bluetooth: l2cap: Add missing chan lock in l2cap_ecred_reconf_rsp"
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    {
      "cve": "CVE-2026-53196",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "discovery_date": "2026-06-25T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2492750"
        }
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Linux kernel\u0027s `io_ti` USB serial driver. A malicious USB device, when plugged into a host running this driver, can exploit a heap overflow vulnerability in the `get_manuf_info()` function. This occurs because the driver does not properly validate the size of data read from the device\u0027s I2C EEPROM against the allocated memory buffer. This improper validation can lead to out-of-bounds memory writes, potentially allowing an attacker to execute arbitrary code or cause a system crash (Denial of Service).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info()",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "get_manuf_info() in the USB serial io_ti driver can copy a device controlled EEPROM descriptor length into a 10 byte heap buffer without checking that the descriptor Size matches sizeof(struct edge_ti_manuf_descriptor). A malicious USB device can advertise a Size value up to the TI I2C image limit and trigger a large heap overflow when the device is attached and the driver reads the descriptor. For the CVSS the PR:N is used because the attacker does not need an account on the host and only needs the malicious USB device to be processed by the vulnerable driver. Impact is at least kernel crash DoS and because this is a kernel heap overflow with device controlled input, confidentiality and integrity impact are plausible in worst case.",
          "title": "Statement"
        },
        {
          "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.",
          "title": "CVSS score applicability"
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      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-53196"
        },
        {
          "category": "external",
          "summary": "RHBZ#2492750",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492750"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-53196",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-53196"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-53196",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53196"
        },
        {
          "category": "external",
          "summary": "https://lore.kernel.org/linux-cve-announce/2026062559-CVE-2026-53196-bcc6@gregkh/T",
          "url": "https://lore.kernel.org/linux-cve-announce/2026062559-CVE-2026-53196-bcc6@gregkh/T"
        }
      ],
      "release_date": "2026-06-25T00:00:00+00:00",
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          "category": "vendor_fix",
          "date": "2026-09-09T01:05:17+00:00",
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          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "PHYSICAL",
            "availabilityImpact": "HIGH",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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          "category": "impact",
          "details": "Moderate"
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      "title": "kernel: USB: serial: io_ti: fix heap overflow in get_manuf_info()"
    },
    {
      "cve": "CVE-2026-64191",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
      },
      "discovery_date": "2026-07-20T00:00:00+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2502872"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Linux kernel\u0027s `i2c-stub` driver. A local user with access to the `/dev/i2c-*` device can exploit this vulnerability by issuing an I2C System Management Bus (SMBus) input/output control (ioctl) command with a specially crafted block transfer length. This invalid length can cause the driver to read or write beyond the allocated buffer, leading to a stack-out-of-bounds error and a system crash, resulting in a Denial of Service (DoS).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: i2c: stub: Reject I2C block transfers with invalid length",
          "title": "Vulnerability summary"
        },
        {
          "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.",
          "title": "CVSS score applicability"
        }
      ],
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          "url": "https://access.redhat.com/security/cve/CVE-2026-64191"
        },
        {
          "category": "external",
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-64191",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-64191"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-64191",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64191"
        },
        {
          "category": "external",
          "summary": "https://lore.kernel.org/linux-cve-announce/2026072052-CVE-2026-64191-42fe@gregkh/T",
          "url": "https://lore.kernel.org/linux-cve-announce/2026072052-CVE-2026-64191-42fe@gregkh/T"
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          "category": "vendor_fix",
          "date": "2026-09-09T01:05:17+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
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      "title": "kernel: i2c: stub: Reject I2C block transfers with invalid length"
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      "cve": "CVE-2026-64268",
      "cwe": {
        "id": "CWE-787",
        "name": "Out-of-bounds Write"
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      "discovery_date": "2026-07-25T00:00:00+00:00",
      "ids": [
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          "system_name": "Red Hat Bugzilla ID",
          "text": "2507089"
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      "notes": [
        {
          "category": "description",
          "text": "A flaw was found in the Linux kernel\u0027s Soft iWARP (siw) driver. A remote attacker, by sending specially crafted Read Response segments that exceed the requested length, can trigger an out-of-bounds write. This vulnerability can lead to memory corruption, potentially causing a kernel crash or privilege escalation.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "kernel: Kernel: Remote out-of-bounds write in RDMA/siw",
          "title": "Vulnerability summary"
        },
        {
          "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.",
          "title": "CVSS score applicability"
        }
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          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2026-64268"
        },
        {
          "category": "external",
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507089"
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          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2026-64268",
          "url": "https://www.cve.org/CVERecord?id=CVE-2026-64268"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2026-64268",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-64268"
        },
        {
          "category": "external",
          "summary": "https://lore.kernel.org/linux-cve-announce/2026072559-CVE-2026-64268-629a@gregkh/T",
          "url": "https://lore.kernel.org/linux-cve-announce/2026072559-CVE-2026-64268-629a@gregkh/T"
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          "category": "vendor_fix",
          "date": "2026-09-09T01:05:17+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258\n\nThe system must be rebooted for this update to take effect.\n\nRed Hat recommends treating all kernel errata as security-relevant. Given the kernel\u0027s fundamental role, any bug has a higher chance of impacting system security, even if that impact only becomes clear after a fix is published. Therefore, Red Hat prioritizes delivering fixes that improve our customers\u0027 overall security posture.\n\nBecause of this proactive approach, a patch may be associated with a CVE assignment at a future date. Retroactive CVE assignments are always documented in the corresponding errata and on Red Hat\u0027s CVE pages. We strongly advise against delaying updates, as doing so may leave your system exposed when protections are already available.",
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          "url": "https://access.redhat.com/errata/RHSA-2026:65710"
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          "details": "To mitigate this issue, prevent the `siw` kernel module from loading. Create a file `/etc/modprobe.d/blacklist-siw.conf` with the following content:\n\n```\nblacklist siw\ninstall siw /bin/true\n```\n\nAfter creating the file, regenerate the initramfs and reboot the system for the changes to take effect:\n\n```bash\ndracut -f -v\nreboot\n```\n\nThis mitigation will disable the Soft iWARP functionality, which may impact applications relying on it. A system reboot is required for the changes to be fully applied.",
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          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
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        {
          "category": "impact",
          "details": "Important"
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      ],
      "title": "kernel: Kernel: Remote out-of-bounds write in RDMA/siw"
    }
  ]
}