ALSA-2021:2570

Vulnerability from osv_almalinux – Published: 2021-06-29 13:42 – Updated: 2021-08-11 08:54 – Source website
VLAI
Summary
Important: kernel security and bug fix update
Details

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

Security Fix(es):

  • kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)

  • kernel: security bypass in certs/blacklist.c and certs/system_keyring.c (CVE-2020-26541)

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.

Bug Fix(es):

  • [ESXi][AlmaLinux-8] VMXNET3 v4 causes invalid checksums of inner packets of VXLAN tunnel (BZ#1960702)

  • fnic crash from invalid request pointer (BZ#1961705)

  • GFS2: Failed FS thaw call makes the entire snapshot failed. (BZ#1961849)

  • dm writecache: fix performance degradation in ssd mode (BZ#1962241)

  • Kernel BUG with act_ct and IP fragments (BZ#1963940)

  • core: backports from upstream (BZ#1963952)

  • Hibernate resume on AlmaLinux fails in Amazon EC2 C5.18xlarge instance (BZ#1964930)

  • [SanityOnly] panic caused by i40e_msix_clean_rings (BZ#1964962)

  • tc reclassification limit is too low for OVN (BZ#1965148)

  • tc action ct nat src addr does not work while used with ct nat dst addr together (BZ#1965150)

  • CNB: Rebase/update TC subsystem for AlmaLinux 8.5 (BZ#1965457)

  • sctp: crash due to use after free of sctp_transport structure (BZ#1965632)


{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "kernel-tools-libs-devel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.18.0-305.7.1.el8_4"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: use-after-free in net/bluetooth/hci_event.c when destroying an hci_chan (CVE-2021-33034)\n\n* kernel: security bypass in certs/blacklist.c and certs/system_keyring.c (CVE-2020-26541)\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\nBug Fix(es):\n\n* [ESXi][AlmaLinux-8] VMXNET3 v4 causes invalid checksums of inner packets of VXLAN tunnel (BZ#1960702)\n\n* fnic crash from invalid request pointer (BZ#1961705)\n\n* GFS2: Failed FS thaw call makes the entire snapshot failed. (BZ#1961849)\n\n* dm writecache: fix performance degradation in ssd mode (BZ#1962241)\n\n* Kernel BUG with act_ct and IP fragments (BZ#1963940)\n\n* core: backports from upstream (BZ#1963952)\n\n* Hibernate resume on AlmaLinux fails in Amazon EC2 C5.18xlarge instance (BZ#1964930)\n\n* [SanityOnly] panic caused by i40e_msix_clean_rings (BZ#1964962)\n\n* tc reclassification limit is too low for OVN (BZ#1965148)\n\n* tc action ct nat src addr does not work while used with ct nat dst addr together (BZ#1965150)\n\n* CNB: Rebase/update TC subsystem for AlmaLinux 8.5 (BZ#1965457)\n\n* sctp: crash due to use after free of sctp_transport structure (BZ#1965632)",
  "id": "ALSA-2021:2570",
  "modified": "2021-08-11T08:54:00Z",
  "published": "2021-06-29T13:42:37Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2020-26541"
    },
    {
      "type": "REPORT",
      "url": "https://vulners.com/cve/CVE-2021-33034"
    }
  ],
  "related": [
    "CVE-2021-33034",
    "CVE-2020-26541"
  ],
  "summary": "Important: kernel security and bug fix update"
}



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