s390/idle: mark arch_cpu_idle() noinstr

{
  "id": "71899c39947808f19c99eb8f9db1267db12e655d03e00608519608a55dba655c",
  "url": "https://osv.dev/vulnerability/CVE-2023-53859",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "s390/idle: mark arch_cpu_idle() noinstr",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: s390/idle: mark arch_cpu_idle() noinstr linux-next commit (\"cpuidle: tracing: Warn about !rcu_is_watching()\") adds a new warning which hits on s390's arch_cpu_idle() function: RCU not on for: arch_cpu_idle+0x0/0x28 WARNING: CPU: 2 PID: 0 at include/linux/trace_recursion.h:162 arch_ftrace_ops_list_func+0x24c/0x258 Modules linked in: CPU: 2 PID: 0 Comm: swapper/2 Not tainted 6.2.0-rc6-next-20230202 #4 Hardware name: IBM 8561 T01 703 (z/VM 7.3.0) Krnl PSW : 0404d00180000000 00000000002b55c0 (arch_ftrace_ops_list_func+0x250/0x258) R:0 T:1 IO:0 EX:0 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3 Krnl GPRS: c0000000ffffbfff 0000000080000002 0000000000000026 0000000000000000 0000037ffffe3a28 0000037ffffe3a20 0000000000000000 0000000000000000 0000000000000000 0000000000f4acf6 00000000001044f0 0000037ffffe3cb0 0000000000000000 0000000000000000 00000000002b55bc 0000037ffffe3bb8 Krnl Code: 00000000002b55b0: c02000840051 larl %r2,0000000001335652 00000000002b55b6: c0e5fff512d1 brasl %r14,0000000000157b58 #00000000002b55bc: af000000 mc 0,0 >00000000002b55c0: a7f4ffe7 brc 15,00000000002b558e 00000000002b55c4: 0707 bcr 0,%r7 00000000002b55c6: 0707 bcr 0,%r7 00000000002b55c8: eb6ff0480024 stmg %r6,%r15,72(%r15) 00000000002b55ce: b90400ef lgr %r14,%r15 Call Trace: [<00000000002b55c0>] arch_ftrace_ops_list_func+0x250/0x258 ([<00000000002b55bc>] arch_ftrace_ops_list_func+0x24c/0x258) [<0000000000f5f0fc>] ftrace_common+0x1c/0x20 [<0",
    "evidence": "osv:CVE-2023-53859",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.99",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.16",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.2.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-53859",
      "aliases": [
        "CVE-2023-53859"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "1098582a0f6c4e8fd28da0a6305f9233d02c9c1d"
                },
                {
                  "fixed": "49aa49952116b8fd56bfb1e8c69bce179f49bece"
                },
                {
                  "fixed": "611c390217106c46e24e1af3db83187339d447ea"
                },
                {
                  "fixed": "fc60c4f12d8a056f20d8f4d0086a36c68ffa9fdc"
                },
                {
                  "fixed": "a9cbc1b471d291c865907542394f1c483b93a811"
                }
              ]
            },
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "4.19.297"
                },
                {
                  "fixed": "4.20"
                }
              ]
            },
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "788621afda4101ca0fae48de424040cda78193fe"
                }
              ]
            }
          ],
          "versions": [
            "v4.19.325",
            "v4.19.324",
            "v4.19.323",
            "v4.19.322",
            "v4.19.321",
            "v4.19.320",
            "v4.19.319",
            "v4.19.318",
            "v4.19.317",
            "v4.19.316",
            "v4.19.315",
            "v4.19.314",
            "v4.19.313",
            "v4.19.312",
            "v4.19.311",
            "v4.19.310",
            "v4.19.309",
            "v4.19.308",
            "v4.19.307",
            "v4.19.306",
            "v4.19.305",
            "v4.19.304",
            "v4.19.303",
            "v4.19.302",
            "v4.19.301",
            "v4.19.300",
            "v4.19.299",
            "v4.19.298",
            "v4.19.297"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53859.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.9.0"
                },
                {
                  "fixed": "5.15.99"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.16"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.2.3"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-53859.json"
          }
        }
      ],
      "modified": "2026-10-08T02:48:13.774987782Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/49aa49952116b8fd56bfb1e8c69bce179f49bece",
        "https://git.kernel.org/stable/c/611c390217106c46e24e1af3db83187339d447ea",
        "https://git.kernel.org/stable/c/a9cbc1b471d291c865907542394f1c483b93a811",
        "https://git.kernel.org/stable/c/fc60c4f12d8a056f20d8f4d0086a36c68ffa9fdc",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/53xxx/CVE-2023-53859.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-53859",
        "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-2023-53859.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-53859",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 98275,
  "published_at": "2025-12-09T01:30:26.351+00:00"
}