ACPI: PAD: fix crash in exit_round_robin()

{
  "id": "5b216834884db6d94fd7b953757bc0bc92732557562af1fada2bd720e23e2eb2",
  "url": "https://osv.dev/vulnerability/CVE-2024-49935",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ACPI: PAD: fix crash in exit_round_robin()",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: ACPI: PAD: fix crash in exit_round_robin() The kernel occasionally crashes in cpumask_clear_cpu(), which is called within exit_round_robin(), because when executing clear_bit(nr, addr) with nr set to 0xffffffff, the address calculation may cause misalignment within the memory, leading to access to an invalid memory address. ---------- BUG: unable to handle kernel paging request at ffffffffe0740618 ... CPU: 3 PID: 2919323 Comm: acpi_pad/14 Kdump: loaded Tainted: G OE X --------- - - 4.18.0-425.19.2.el8_7.x86_64 #1 ... RIP: 0010:power_saving_thread+0x313/0x411 [acpi_pad] Code: 89 cd 48 89 d3 eb d1 48 c7 c7 55 70 72 c0 e8 64 86 b0 e4 c6 05 0d a1 02 00 01 e9 bc fd ff ff 45 89 e4 42 8b 04 a5 20 82 72 c0 48 0f b3 05 f4 9c 01 00 42 c7 04 a5 20 82 72 c0 ff ff ff ff 31 RSP: 0018:ff72a5d51fa77ec8 EFLAGS: 00010202 RAX: 00000000ffffffff RBX: ff462981e5d8cb80 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000246 RDI: 0000000000000246 RBP: ff46297556959d80 R08: 0000000000000382 R09: ff46297c8d0f38d8 R10: 0000000000000000 R11: 0000000000000001 R12: 000000000000000e R13: 0000000000000000 R14: ffffffffffffffff R15: 000000000000000e FS: 0000000000000000(0000) GS:ff46297a800c0000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: ffffffffe0740618 CR3: 0000007e20410004 CR4: 0000000000771ee0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 000",
    "evidence": "osv:CVE-2024-49935",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.296",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.240",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.168",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.113",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.55",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.10.14",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.11.3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-49935",
      "aliases": [
        "CVE-2024-49935"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "introduced": "8e0af5141ab950b78b3ebbfaded5439dcf8b3a8d"
                },
                {
                  "fixed": "82191a21a0dedc8c64e14f07f5d568d09bc4b331"
                },
                {
                  "fixed": "d214ffa6eb39c08d18a460124dd7ba318dc56f33"
                },
                {
                  "fixed": "92e5661b7d0727ab912b76625a88b33fdb9b609a"
                },
                {
                  "fixed": "68a599da16ebad442ce295d8d2d5c488e3992822"
                },
                {
                  "fixed": "68a8e45743d6a120f863fb14b72dc59616597019"
                },
                {
                  "fixed": "03593dbb0b272ef7b0358b099841e65735422aca"
                },
                {
                  "fixed": "27c045f868f0e5052c6b532868a65e0cd250c8fc"
                },
                {
                  "fixed": "0a2ed70a549e61c5181bad5db418d223b68ae932"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49935.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "2.6.32"
                },
                {
                  "fixed": "5.4.296"
                }
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            },
            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "5.5.0"
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                {
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            {
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                },
                {
                  "fixed": "6.6.55"
                }
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            },
            {
              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "6.7.0"
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                {
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            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.11.0"
                },
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              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-49935.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:46.377480190Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/03593dbb0b272ef7b0358b099841e65735422aca",
        "https://git.kernel.org/stable/c/0a2ed70a549e61c5181bad5db418d223b68ae932",
        "https://git.kernel.org/stable/c/27c045f868f0e5052c6b532868a65e0cd250c8fc",
        "https://git.kernel.org/stable/c/68a599da16ebad442ce295d8d2d5c488e3992822",
        "https://git.kernel.org/stable/c/68a8e45743d6a120f863fb14b72dc59616597019",
        "https://git.kernel.org/stable/c/82191a21a0dedc8c64e14f07f5d568d09bc4b331",
        "https://git.kernel.org/stable/c/92e5661b7d0727ab912b76625a88b33fdb9b609a",
        "https://git.kernel.org/stable/c/d214ffa6eb39c08d18a460124dd7ba318dc56f33",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/49xxx/CVE-2024-49935.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-49935",
        "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/2024/49xxx/CVE-2024-49935.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-49935",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 514450,
  "published_at": "2024-10-21T18:01:56.404+00:00"
}