{
  "cveId": "CVE-2021-3609",
  "url": "https://patchblox.com/security/cve/CVE-2021-3609",
  "summary": "CVE-2021-3609 is fixed in 52 products on 1 platform, first by RHSA-2021:3057, released August 10, 2021. It is not reported as exploited. Patch Radar priority: High.",
  "title": "bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: r...",
  "description": "The kernel packages contain the Linux kernel, the core of any Linux operating system.\n\nSecurity Fix(es):\n\n* kernel: race condition in net/can/bcm.c leads to local privilege escalation (CVE-2021-3609)\n\n* kernel: Improper handling of VM_IO|VM_PFNMAP vmas in KVM can bypass RO checks (CVE-2021-22543)\n\n* kernel: out-of-bounds write in xt_compat_target_from_user() in net/netfilter/x_tables.c (CVE-2021-22555)\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* Urgent: Missing dptf_power.ko module in RHEL8 (BZ#1968381)\n\n* [mlx5] kdump over NFS fails: mlx5 driver gives error \u0022Stop room 95 is bigger than the SQ size 64\u0022 (BZ#1969909)\n\n* BUG: unable to handle kernel NULL pointer dereference at 0000000000000000 in bluetooth  hci_error_reset on intel-tigerlake-h01 (BZ#1972564)\n\n* Update CIFS to kernel 5.10 (BZ#1973637)\n\n* Backport \u0022tick/nohz: Conditionally restart tick on idle exit\u0022 to RHEL 8.5 (BZ#1978710)\n\n* Significant performance drop starting on kernel-4.18.0-277 visible on mmap benchmark (BZ#1980314)\n\n* Inaccessible NFS server overloads clients (native_queued_spin_lock_slowpath connotation?) (BZ#1980613)\n\n* [RHEL8.4 BUG],RialtoMLK, I915 graphic driver failed to boot with one new 120HZ panel (BZ#1981250)\n\n* act_ct: subject to DNAT tuple collision (BZ#1982494)\n\nEnhancement(s):\n\n* [Lenovo 8.5 FEAT] drivers/nvme - Update to the latest upstream (BZ#1965415)",
  "published": "2021-08-10T00:00:00Z",
  "severity": "Important",
  "cvss": 7,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
  "epss": 0.00431,
  "epssPercentile": 0.37629,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
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