{
  "cveId": "CVE-2022-48755",
  "url": "https://patchblox.com/security/cve/CVE-2022-48755",
  "summary": "CVE-2022-48755 is fixed in linux on 1 platform, first by DEBIAN-CVE-2022-48755, released June 20, 2024. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "linux: In the Linux kernel, the following vulnerability has been resolved:  powerpc64/bpf: Limit \u0027ldbrx\u0027 to processors compl...",
  "description": "In the Linux kernel, the following vulnerability has been resolved:  powerpc64/bpf: Limit \u0027ldbrx\u0027 to processors compliant with ISA v2.06  Johan reported the below crash with test_bpf on ppc64 e5500:    test_bpf: #296 ALU_END_FROM_LE 64: 0x0123456789abcdef -\u003E 0x67452301 jited:1   Oops: Exception in kernel mode, sig: 4 [#1]   BE PAGE_SIZE=4K SMP NR_CPUS=24 QEMU e500   Modules linked in: test_bpf(\u002B)   CPU: 0 PID: 76 Comm: insmod Not tainted 5.14.0-03771-g98c2059e008a-dirty #1   NIP:  8000000000061c3c LR: 80000000006dea64 CTR: 8000000000061c18   REGS: c0000000032d3420 TRAP: 0700   Not tainted (5.14.0-03771-g98c2059e008a-dirty)   MSR:  0000000080089000 \u003CEE,ME\u003E  CR: 88002822  XER: 20000000 IRQMASK: 0   \u003C...\u003E   NIP [8000000000061c3c] 0x8000000000061c3c   LR [80000000006dea64] .__run_one\u002B0x104/0x17c [test_bpf]   Call Trace:    .__run_one\u002B0x60/0x17c [test_bpf] (unreliable)    .test_bpf_init\u002B0x6a8/0xdc8 [test_bpf]    .do_one_initcall\u002B0x6c/0x28c    .do_init_module\u002B0x68/0x28c    .load_module\u002B0x2460/0x2abc    .__do_sys_init_module\u002B0x120/0x18c    .system_call_exception\u002B0x110/0x1b8    system_call_common\u002B0xf0/0x210   --- interrupt: c00 at 0x101d0acc   \u003C...\u003E   ---[ end trace 47b2bf19090bb3d0 ]---    Illegal instruction  The illegal instruction turned out to be \u0027ldbrx\u0027 emitted for BPF_FROM_[L|B]E, which was only introduced in ISA v2.06. Guard use of the same and implement an alternative approach for older processors.",
  "published": "2024-06-20T12:15:13Z",
  "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": 0.0021,
  "epssPercentile": 0.11207,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 12.15 (bookworm)",
      "fixedVersion": "5.16.7-1",
      "fix": "DEBIAN-CVE-2022-48755",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48755",
      "released": "2024-06-20T12:15:13Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 13.5 (trixie)",
      "fixedVersion": "5.16.7-1",
      "fix": "DEBIAN-CVE-2022-48755",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48755",
      "released": "2024-06-20T12:15:13Z"
    },
    {
      "platform": "linux",
      "product": "linux",
      "release": "Debian 14",
      "fixedVersion": "5.16.7-1",
      "fix": "DEBIAN-CVE-2022-48755",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2022-48755",
      "released": "2024-06-20T12:15:13Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T13:06:02Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}