ghsa-vjh2-m3m9-vp7g
Vulnerability from github
Published
2024-06-21 12:31
Modified
2024-06-24 21:33
Details

In the Linux kernel, the following vulnerability has been resolved:

dma-mapping: benchmark: handle NUMA_NO_NODE correctly

cpumask_of_node() can be called for NUMA_NO_NODE inside do_map_benchmark() resulting in the following sanitizer report:

UBSAN: array-index-out-of-bounds in ./arch/x86/include/asm/topology.h:72:28 index -1 is out of range for type 'cpumask [64][1]' CPU: 1 PID: 990 Comm: dma_map_benchma Not tainted 6.9.0-rc6 #29 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996) Call Trace: dump_stack_lvl (lib/dump_stack.c:117) ubsan_epilogue (lib/ubsan.c:232) __ubsan_handle_out_of_bounds (lib/ubsan.c:429) cpumask_of_node (arch/x86/include/asm/topology.h:72) [inline] do_map_benchmark (kernel/dma/map_benchmark.c:104) map_benchmark_ioctl (kernel/dma/map_benchmark.c:246) full_proxy_unlocked_ioctl (fs/debugfs/file.c:333) __x64_sys_ioctl (fs/ioctl.c:890) do_syscall_64 (arch/x86/entry/common.c:83) entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)

Use cpumask_of_node() in place when binding a kernel thread to a cpuset of a particular node.

Note that the provided node id is checked inside map_benchmark_ioctl(). It's just a NUMA_NO_NODE case which is not handled properly later.

Found by Linux Verification Center (linuxtesting.org).

Show details on source website


{
  "affected": [],
  "aliases": [
    "CVE-2024-39277"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-125"
    ],
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-06-21T12:15:11Z",
    "severity": "HIGH"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\ndma-mapping: benchmark: handle NUMA_NO_NODE correctly\n\ncpumask_of_node() can be called for NUMA_NO_NODE inside do_map_benchmark()\nresulting in the following sanitizer report:\n\nUBSAN: array-index-out-of-bounds in ./arch/x86/include/asm/topology.h:72:28\nindex -1 is out of range for type \u0027cpumask [64][1]\u0027\nCPU: 1 PID: 990 Comm: dma_map_benchma Not tainted 6.9.0-rc6 #29\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996)\nCall Trace:\n \u003cTASK\u003e\ndump_stack_lvl (lib/dump_stack.c:117)\nubsan_epilogue (lib/ubsan.c:232)\n__ubsan_handle_out_of_bounds (lib/ubsan.c:429)\ncpumask_of_node (arch/x86/include/asm/topology.h:72) [inline]\ndo_map_benchmark (kernel/dma/map_benchmark.c:104)\nmap_benchmark_ioctl (kernel/dma/map_benchmark.c:246)\nfull_proxy_unlocked_ioctl (fs/debugfs/file.c:333)\n__x64_sys_ioctl (fs/ioctl.c:890)\ndo_syscall_64 (arch/x86/entry/common.c:83)\nentry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:130)\n\nUse cpumask_of_node() in place when binding a kernel thread to a cpuset\nof a particular node.\n\nNote that the provided node id is checked inside map_benchmark_ioctl().\nIt\u0027s just a NUMA_NO_NODE case which is not handled properly later.\n\nFound by Linux Verification Center (linuxtesting.org).",
  "id": "GHSA-vjh2-m3m9-vp7g",
  "modified": "2024-06-24T21:33:19Z",
  "published": "2024-06-21T12:31:21Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-39277"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/50ee21bfc005e69f183d6b4b454e33f0c2571e1f"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/5a91116b003175302f2e6ad94b76fb9b5a141a41"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8e1ba9df9a35e8dc64f657a64e523c79ba01e464"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b41b0018e8ca06e985e87220a618ec633988fd13"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/e64746e74f717961250a155e14c156616fcd981f"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ]
}


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