ALSA-2026:19569 (CVE-2024-56603)

Vulnerability from osv_almalinux – Published: 2026-05-20 00:00 – Updated: 2026-10-26 00:14 – Source website
VLAI
Summary
Important: kernel security update
Details

The kernel packages contain the Linux kernel, the core of any Linux operating system.

Security Fix(es):

  • kernel: net: af_can: do not leave a dangling sk pointer in can_create() (CVE-2024-56603)
  • kernel: net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit (CVE-2025-39766)
  • kernel: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id (CVE-2025-68724)
  • kernel: scsi: qla2xxx: Fix improper freeing of purex item (CVE-2025-68741)
  • kernel: Linux kernel: Use-after-free in traffic control (act_ct) may lead to denial of service or privilege escalation (CVE-2026-23270)
  • kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling (CVE-2026-23401)
  • kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (CVE-2026-31402)
  • kernel: Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold (CVE-2026-31408)
  • kernel: usbip: validate number_of_packets in usbip_pack_ret_submit() (CVE-2026-31607)
  • kernel: RDMA/umem: Fix double dma_buf_unpin in failure path (CVE-2026-43128)
  • kernel: "Dirty Frag" is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel (CVE-2026-43284)
  • kernel: "Fragnesia" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation (LPE) vulnerability in the Linux kernel (CVE-2026-46300)
  • kernel: Read root-owned files as an unprivileged user (CVE-2026-46333)

For 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.

References
https://access.redhat.com/errata/RHSA-2026:19569 ADVISORY
https://access.redhat.com/security/cve/CVE-2024-56603 REPORT
https://access.redhat.com/security/cve/CVE-2025-39766 REPORT
https://access.redhat.com/security/cve/CVE-2025-68724 REPORT
https://access.redhat.com/security/cve/CVE-2025-68741 REPORT
https://access.redhat.com/security/cve/CVE-2026-23270 REPORT
https://access.redhat.com/security/cve/CVE-2026-23401 REPORT
https://access.redhat.com/security/cve/CVE-2026-31402 REPORT
https://access.redhat.com/security/cve/CVE-2026-31408 REPORT
https://access.redhat.com/security/cve/CVE-2026-31607 REPORT
https://access.redhat.com/security/cve/CVE-2026-43128 REPORT
https://access.redhat.com/security/cve/CVE-2026-43284 REPORT
https://access.redhat.com/security/cve/CVE-2026-46300 REPORT
https://access.redhat.com/security/cve/CVE-2026-46333 REPORT
https://bugzilla.redhat.com/2334439 REPORT
https://bugzilla.redhat.com/2394648 REPORT
https://bugzilla.redhat.com/2424886 REPORT
https://bugzilla.redhat.com/2425046 REPORT
https://bugzilla.redhat.com/2448745 REPORT
https://bugzilla.redhat.com/2453803 REPORT
https://bugzilla.redhat.com/2454844 REPORT
https://bugzilla.redhat.com/2455334 REPORT
https://bugzilla.redhat.com/2461521 REPORT
https://bugzilla.redhat.com/2467144 REPORT
https://bugzilla.redhat.com/2467771 REPORT
https://bugzilla.redhat.com/2477015 REPORT
https://bugzilla.redhat.com/2477802 REPORT
https://errata.almalinux.org/10/ALSA-2026-19569.html ADVISORY
https://www.redhat.com/security/data/cve/CVE-2026… REPORT
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  ],
  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.  \n\nSecurity Fix(es):  \n\n  * kernel: net: af_can: do not leave a dangling sk pointer in can_create() (CVE-2024-56603)\n  * kernel: net/sched: Make cake_enqueue return NET_XMIT_CN when past buffer_limit (CVE-2025-39766)\n  * kernel: crypto: asymmetric_keys - prevent overflow in asymmetric_key_generate_id (CVE-2025-68724)\n  * kernel: scsi: qla2xxx: Fix improper freeing of purex item (CVE-2025-68741)\n  * kernel: Linux kernel: Use-after-free in traffic control (act_ct) may lead to denial of service or privilege escalation (CVE-2026-23270)\n  * kernel: Linux kernel KVM: Privilege escalation or denial of service due to improper shadow page table entry handling (CVE-2026-23401)\n  * kernel: nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (CVE-2026-31402)\n  * kernel: Bluetooth: SCO: Fix use-after-free in sco_recv_frame() due to missing sock_hold (CVE-2026-31408)\n  * kernel: usbip: validate number_of_packets in usbip_pack_ret_submit() (CVE-2026-31607)\n  * kernel: RDMA/umem: Fix double dma_buf_unpin in failure path (CVE-2026-43128)\n  * kernel: \"Dirty Frag\" is a new universal Local Privilege Escalation (LPE) vulnerability in the Linux kernel (CVE-2026-43284)\n  * kernel: \"Fragnesia\" is a variant of Dirty Frag vulnerability in the ESP/XFRM leading to Local Privilege Escalation (LPE) vulnerability in the Linux kernel (CVE-2026-46300)\n  * kernel: Read root-owned files as an unprivileged user (CVE-2026-46333)\n\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.\n",
  "id": "ALSA-2026:19569",
  "modified": "2026-10-26T00:14:38Z",
  "published": "2026-05-20T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2026:19569"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2024-56603"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-39766"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-68724"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-68741"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-23270"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-23401"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-31402"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-31408"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-31607"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43128"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-43284"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-46300"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2026-46333"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2334439"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2394648"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2424886"
    },
    {
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      "url": "https://bugzilla.redhat.com/2425046"
    },
    {
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      "url": "https://bugzilla.redhat.com/2448745"
    },
    {
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      "url": "https://bugzilla.redhat.com/2453803"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2454844"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2455334"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2461521"
    },
    {
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      "url": "https://bugzilla.redhat.com/2467144"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2467771"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2477015"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2477802"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/10/ALSA-2026-19569.html"
    },
    {
      "type": "REPORT",
      "url": "https://www.redhat.com/security/data/cve/CVE-2026-43503.html"
    }
  ],
  "related": [
    "CVE-2024-56603",
    "CVE-2025-39766",
    "CVE-2025-68724",
    "CVE-2025-68741",
    "CVE-2026-23270",
    "CVE-2026-23401",
    "CVE-2026-31402",
    "CVE-2026-31408",
    "CVE-2026-31607",
    "CVE-2026-43128",
    "CVE-2026-43284",
    "CVE-2026-43503",
    "CVE-2026-46300",
    "CVE-2026-46333"
  ],
  "schema_version": "1.7.0",
  "summary": "Important: kernel security update",
  "upstream": [
    "CVE-2024-56603",
    "CVE-2025-39766",
    "CVE-2025-68724",
    "CVE-2025-68741",
    "CVE-2026-23270",
    "CVE-2026-23401",
    "CVE-2026-31402",
    "CVE-2026-31408",
    "CVE-2026-31607",
    "CVE-2026-43128",
    "CVE-2026-43284",
    "CVE-2026-43503",
    "CVE-2026-46300",
    "CVE-2026-46333"
  ]
}



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