powerpc/pseries: Whitelist dtl slub object for copying to userspace

{
  "id": "30dccc800ffc0917a6d8493e9c1222337f42009c7ebe074016bd89536f25ad30",
  "url": "https://osv.dev/vulnerability/CVE-2024-41065",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "powerpc/pseries: Whitelist dtl slub object for copying to userspace",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: powerpc/pseries: Whitelist dtl slub object for copying to userspace Reading the dispatch trace log from /sys/kernel/debug/powerpc/dtl/cpu-* results in a BUG() when the config CONFIG_HARDENED_USERCOPY is enabled as shown below. kernel BUG at mm/usercopy.c:102! Oops: Exception in kernel mode, sig: 5 [#1] LE PAGE_SIZE=64K MMU=Radix SMP NR_CPUS=2048 NUMA pSeries Modules linked in: xfs libcrc32c dm_service_time sd_mod t10_pi sg ibmvfc scsi_transport_fc ibmveth pseries_wdt dm_multipath dm_mirror dm_region_hash dm_log dm_mod fuse CPU: 27 PID: 1815 Comm: python3 Not tainted 6.10.0-rc3 #85 Hardware name: IBM,9040-MRX POWER10 (raw) 0x800200 0xf000006 of:IBM,FW1060.00 (NM1060_042) hv:phyp pSeries NIP: c0000000005d23d4 LR: c0000000005d23d0 CTR: 00000000006ee6f8 REGS: c000000120c078c0 TRAP: 0700 Not tainted (6.10.0-rc3) MSR: 8000000000029033 CR: 2828220f XER: 0000000e CFAR: c0000000001fdc80 IRQMASK: 0 [ ... GPRs omitted ... ] NIP [c0000000005d23d4] usercopy_abort+0x78/0xb0 LR [c0000000005d23d0] usercopy_abort+0x74/0xb0 Call Trace: usercopy_abort+0x74/0xb0 (unreliable) __check_heap_object+0xf8/0x120 check_heap_object+0x218/0x240 __check_object_size+0x84/0x1a4 dtl_file_read+0x17c/0x2c4 full_proxy_read+0x8c/0x110 vfs_read+0xdc/0x3a0 ksys_read+0x84/0x144 system_call_exception+0x124/0x330 system_call_vectored_common+0x15c/0x2ec --- interrupt: 3000 at 0x7fff81f3ab34 Commit 6d07d1cd300f (\"usercopy: Restrict non-usercopy caches t",
    "evidence": "osv:CVE-2024-41065",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.4.281",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.10.223",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.164",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.101",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.6.42",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.9.11",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2024-41065",
      "aliases": [
        "CVE-2024-41065"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                },
                {
                  "fixed": "a7b952941ce07e1e7a2cafd08c64a98e14f553e6"
                },
                {
                  "fixed": "6b16098148ea58a67430d90e20476be2377c3acd"
                },
                {
                  "fixed": "e59822f9d700349cd17968d22c979db23a2d347f"
                },
                {
                  "fixed": "1ee68686d1e2a5da35d5650be0be1ce06fe2ceb2"
                },
                {
                  "fixed": "e512a59b472684d8585125101ab03b86c2c1348a"
                },
                {
                  "fixed": "0f5892212c27be31792ef1daa89c8dac1b3047e4"
                },
                {
                  "fixed": "1a14150e1656f7a332a943154fc486504db4d586"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-41065.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "3.0.0"
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                {
                  "fixed": "5.4.281"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
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              ]
            },
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                  "introduced": "5.11.0"
                },
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              ]
            },
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              "type": "ECOSYSTEM",
              "events": [
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                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.101"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.6.42"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.7.0"
                },
                {
                  "fixed": "6.9.11"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2024-41065.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:39.327347007Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/0f5892212c27be31792ef1daa89c8dac1b3047e4",
        "https://git.kernel.org/stable/c/1a14150e1656f7a332a943154fc486504db4d586",
        "https://git.kernel.org/stable/c/1ee68686d1e2a5da35d5650be0be1ce06fe2ceb2",
        "https://git.kernel.org/stable/c/6b16098148ea58a67430d90e20476be2377c3acd",
        "https://git.kernel.org/stable/c/a7b952941ce07e1e7a2cafd08c64a98e14f553e6",
        "https://git.kernel.org/stable/c/e512a59b472684d8585125101ab03b86c2c1348a",
        "https://git.kernel.org/stable/c/e59822f9d700349cd17968d22c979db23a2d347f",
        "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2024/41xxx/CVE-2024-41065.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2024-41065",
        "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/2024/41xxx/CVE-2024-41065.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2024-41065",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 506427,
  "published_at": "2024-07-29T14:57:27.011+00:00"
}