riscv: Use READ_ONCE_NOCHECK in imprecise unwinding stack mode

{
  "id": "4475f2136f599c1c76fcd65e8d675247e71a53c7c57a7e0e35d84cf9264d6c59",
  "url": "https://osv.dev/vulnerability/CVE-2023-53135",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "riscv: Use READ_ONCE_NOCHECK in imprecise unwinding stack mode",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: riscv: Use READ_ONCE_NOCHECK in imprecise unwinding stack mode When CONFIG_FRAME_POINTER is unset, the stack unwinding function walk_stackframe randomly reads the stack and then, when KASAN is enabled, it can lead to the following backtrace: [ 0.000000] ================================================================== [ 0.000000] BUG: KASAN: stack-out-of-bounds in walk_stackframe+0xa6/0x11a [ 0.000000] Read of size 8 at addr ffffffff81807c40 by task swapper/0 [ 0.000000] [ 0.000000] CPU: 0 PID: 0 Comm: swapper Not tainted 6.2.0-12919-g24203e6db61f #43 [ 0.000000] Hardware name: riscv-virtio,qemu (DT) [ 0.000000] Call Trace: [ 0.000000] [] walk_stackframe+0x0/0x11a [ 0.000000] [] init_param_lock+0x26/0x2a [ 0.000000] [] walk_stackframe+0xa2/0x11a [ 0.000000] [] dump_stack_lvl+0x22/0x36 [ 0.000000] [] print_report+0x198/0x4a8 [ 0.000000] [] init_param_lock+0x26/0x2a [ 0.000000] [] walk_stackframe+0xa2/0x11a [ 0.000000] [] kasan_report+0x9a/0xc8 [ 0.000000] [] walk_stackframe+0xa2/0x11a [ 0.000000] [] walk_stackframe+0xa2/0x11a [ 0.000000] [] desc_make_final+0x80/0x84 [ 0.000000] [] stack_trace_save+0x88/0xa6 [ 0.000000] [] filter_irq_stacks+0x72/0x76 [ 0.000000] [] devkmsg_read+0x32a/0x32e [ 0.000000] [] kasan_save_stack+0x28/0x52 [ 0.000000] [] desc_make_final+0x7c/0x84 [ 0.000000] [] stack_trace_save+0x84/0xa6 [ 0.000000] [] kasan_set_track+0x12/0x20 [ 0.000000] [] __kasan_slab_alloc+0x58/0x5e [ 0.000000] []",
    "evidence": "osv:CVE-2023-53135",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.237",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.175",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.103",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.20",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.2.7",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-53135",
      "aliases": [
        "CVE-2023-53135"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "5d8544e2d0075a5f3c9a2cf27152354d54360da1"
                },
                {
                  "fixed": "a99a61d9e1bfca2fc37d223a6a185c0eb66aba02"
                },
                {
                  "fixed": "3de277af481ab931fab9e295ad8762692920732a"
                },
                {
                  "fixed": "3a9418d2c93c1c86ce4d0595112d91c7a8e70c2c"
                },
                {
                  "fixed": "324912d6c0c4006711054d389faa2239c1655e1e"
                },
                {
                  "fixed": "17fa90ffba20743c946920fbb0afe160d0ead8c9"
                },
                {
                  "fixed": "76950340cf03b149412fe0d5f0810e52ac1df8cb"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53135.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "4.15.0"
                },
                {
                  "fixed": "5.4.237"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.175"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.103"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.20"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.2.7"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53135.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:52.514669692Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/17fa90ffba20743c946920fbb0afe160d0ead8c9",
        "https://git.kernel.org/stable/c/324912d6c0c4006711054d389faa2239c1655e1e",
        "https://git.kernel.org/stable/c/3a9418d2c93c1c86ce4d0595112d91c7a8e70c2c",
        "https://git.kernel.org/stable/c/3de277af481ab931fab9e295ad8762692920732a",
        "https://git.kernel.org/stable/c/76950340cf03b149412fe0d5f0810e52ac1df8cb",
        "https://git.kernel.org/stable/c/a99a61d9e1bfca2fc37d223a6a185c0eb66aba02",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53135.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53135",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53135.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53135",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 521074,
  "published_at": "2025-05-02T15:56:08.287+00:00"
}