{
  "cveId": "CVE-2026-23064",
  "url": "https://patchblox.com/security/cve/CVE-2026-23064",
  "summary": "CVE-2026-23064 is fixed in 16 products on 1 platform, first by DEBIAN-CVE-2026-23064, released February 4, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  net/sched: act_ife: avoid possible NULL deref  t...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  net/sched: act_ife: avoid possible NULL deref  tcf_ife_encode() must make sure ife_encode() does not return NULL.  syzbot reported:  Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]  RIP: 0010:ife_tlv_meta_encode\u002B0x41/0xa0 net/ife/ife.c:166 CPU: 3 UID: 0 PID: 8990 Comm: syz.0.696 Not tainted syzkaller #0 PREEMPT(full) Call Trace:  \u003CTASK\u003E   ife_encode_meta_u32\u002B0x153/0x180 net/sched/act_ife.c:101   tcf_ife_encode net/sched/act_ife.c:841 [inline]   tcf_ife_act\u002B0x1022/0x1de0 net/sched/act_ife.c:877   tc_act include/net/tc_wrapper.h:130 [inline]   tcf_action_exec\u002B0x1c0/0xa20 net/sched/act_api.c:1152   tcf_exts_exec include/net/pkt_cls.h:349 [inline]   mall_classify\u002B0x1a0/0x2a0 net/sched/cls_matchall.c:42   tc_classify include/net/tc_wrapper.h:197 [inline]   __tcf_classify net/sched/cls_api.c:1764 [inline]   tcf_classify\u002B0x7f2/0x1380 net/sched/cls_api.c:1860   multiq_classify net/sched/sch_multiq.c:39 [inline]   multiq_enqueue\u002B0xe0/0x510 net/sched/sch_multiq.c:66   dev_qdisc_enqueue\u002B0x45/0x250 net/core/dev.c:4147   __dev_xmit_skb net/core/dev.c:4262 [inline]   __dev_queue_xmit\u002B0x2998/0x46c0 net/core/dev.c:4798",
  "published": "2026-02-04T17:16:17Z",
  "severity": "medium",
  "cvss": 5.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
  "epss": 0.00147,
  "epssPercentile": 0.03954,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "dtb-aarch64",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.27.1",
      "fix": "OPENSUSE-SU-2026:20416-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20416-1",
      "released": "2026-03-25T08:49:52Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.27.1",
      "fix": "OPENSUSE-SU-2026:20416-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20416-1",
      "released": "2026-03-25T08:49:52Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "sles 15.7",
      "fixedVersion": "6.4.0-150700.53.34.1",
      "fix": "SUSE-SU-2026:1081-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-1081-1",
      "released": "2026-03-26T13:23:51Z"
    },
    {
      "platform": "linux",
      "product": "kernel-64kb",
      "release": "sles 16.0",
      "fixedVersion": "6.12.0-160000.27.1",
      "fix": "SUSE-SU-2026:20931-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-20931-1",
      "released": "2026-03-25T08:48:43Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.27.1",
      "fix": "OPENSUSE-SU-2026:20416-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20416-1",
      "released": "2026-03-25T08:49:52Z"
    },
    {
      "platform": "linux",
      "product": "kernel-azure",
      "release": "sles 15.7",
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      "fix": "SUSE-SU-2026:1081-1",
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      "released": "2026-03-26T13:23:51Z"
    },
    {
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      "fix": "SUSE-SU-2026:20931-1",
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      "released": "2026-03-25T08:48:43Z"
    },
    {
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      "product": "kernel-default",
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      "fix": "OPENSUSE-SU-2026:20416-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20416-1",
      "released": "2026-03-25T08:49:52Z"
    },
    {
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      "product": "kernel-default",
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    },
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      "released": "2026-03-25T08:49:52Z"
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      "fix": "SUSE-SU-2026:1081-1",
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      "released": "2026-03-26T13:23:51Z"
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      "fix": "SUSE-SU-2026:20931-1",
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    {
      "platform": "linux",
      "product": "kernel-docs",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "6.12.0-160000.27.1",
      "fix": "OPENSUSE-SU-2026:20416-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-20416-1",
      "released": "2026-03-25T08:49:52Z"
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    {
      "platform": "linux",
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      "release": "sles 15.7",
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      "fix": "SUSE-SU-2026:1081-1",
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      "released": "2026-03-26T13:23:51Z"
    },
    {
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      "product": "kernel-docs",
      "release": "sles 16.0",
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      "fix": "SUSE-SU-2026:20931-1",
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      "released": "2026-03-25T08:48:43Z"
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    {
      "platform": "linux",
      "product": "kernel-kvmsmall",
      "release": "opensuse-leap 16.0",
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      "fix": "OPENSUSE-SU-2026:20416-1",
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    {
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    {
      "platform": "linux",
      "product": "kernel-livepatch-SLE15-SP7-RT_Update_10",
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      "fix": "SUSE-SU-2026:0962-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-0962-1",
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      "fix": "OPENSUSE-SU-2026:20416-1",
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  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}