CVE-2023-53075 (GCVE-0-2023-53075)

Vulnerability from cvelistv5 – Published: 2025-05-02 15:55 – Updated: 2026-05-11 19:38
VLAI
Title
ftrace: Fix invalid address access in lookup_rec() when index is 0
Summary
In the Linux kernel, the following vulnerability has been resolved: ftrace: Fix invalid address access in lookup_rec() when index is 0 KASAN reported follow problem: BUG: KASAN: use-after-free in lookup_rec Read of size 8 at addr ffff000199270ff0 by task modprobe CPU: 2 Comm: modprobe Call trace: kasan_report __asan_load8 lookup_rec ftrace_location arch_check_ftrace_location check_kprobe_address_safe register_kprobe When checking pg->records[pg->index - 1].ip in lookup_rec(), it can get a pg which is newly added to ftrace_pages_start in ftrace_process_locs(). Before the first pg->index++, index is 0 and accessing pg->records[-1].ip will cause this problem. Don't check the ip when pg->index is 0.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6856 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 9644302e3315e7e36495d230d5ac7125a316d33e , < 2de28e5ce34b22b73b833a21e2c45ae3aade3964 (git)
Affected: 9644302e3315e7e36495d230d5ac7125a316d33e , < 7569ee04b0e3b32df79f64db3a7138573edad9bc (git)
Affected: 9644302e3315e7e36495d230d5ac7125a316d33e , < ac58b88ccbbb8e9fb83e137cee04a856b1ea6635 (git)
Affected: 9644302e3315e7e36495d230d5ac7125a316d33e , < 83c3b2f4e7c61367c7b24551f4c6eb94bbdda283 (git)
Affected: 9644302e3315e7e36495d230d5ac7125a316d33e , < 2a0d71fabfeb349216d33f001a6421b1768bd3a9 (git)
Affected: 9644302e3315e7e36495d230d5ac7125a316d33e , < 4f84f31f63416b0f02fc146ffdc4ab32723eb7e8 (git)
Affected: 9644302e3315e7e36495d230d5ac7125a316d33e , < f1bd8b7fd890d87d0dc4dedc6287ea34dd07c0b4 (git)
Affected: 9644302e3315e7e36495d230d5ac7125a316d33e , < ee92fa443358f4fc0017c1d0d325c27b37802504 (git)
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Linux Linux Affected: 3.5
Unaffected: 0 , < 3.5 (semver)
Unaffected: 4.14.311 , ≤ 4.14.* (semver)
Unaffected: 4.19.279 , ≤ 4.19.* (semver)
Unaffected: 5.4.238 , ≤ 5.4.* (semver)
Unaffected: 5.10.176 , ≤ 5.10.* (semver)
Unaffected: 5.15.104 , ≤ 5.15.* (semver)
Unaffected: 6.1.21 , ≤ 6.1.* (semver)
Unaffected: 6.2.8 , ≤ 6.2.* (semver)
Unaffected: 6.3 , ≤ * (original_commit_for_fix)
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            "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nftrace: Fix invalid address access in lookup_rec() when index is 0\n\nKASAN reported follow problem:\n\n BUG: KASAN: use-after-free in lookup_rec\n Read of size 8 at addr ffff000199270ff0 by task modprobe\n CPU: 2 Comm: modprobe\n Call trace:\n  kasan_report\n  __asan_load8\n  lookup_rec\n  ftrace_location\n  arch_check_ftrace_location\n  check_kprobe_address_safe\n  register_kprobe\n\nWhen checking pg-\u003erecords[pg-\u003eindex - 1].ip in lookup_rec(), it can get a\npg which is newly added to ftrace_pages_start in ftrace_process_locs().\nBefore the first pg-\u003eindex++, index is 0 and accessing pg-\u003erecords[-1].ip\nwill cause this problem.\n\nDon\u0027t check the ip when pg-\u003eindex is 0."
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            "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: ftrace: Se corrige el acceso a direcciones no v\u00e1lidas en lookup_rec() cuando el \u00edndice es 0 KASAN inform\u00f3 el siguiente problema: BUG: KASAN: use-after-free en lookup_rec Lectura de tama\u00f1o 8 en la direcci\u00f3n ffff000199270ff0 por la tarea modprobe CPU: 2 Comm: modprobe Rastreo de llamadas: kasan_report __asan_load8 lookup_rec ftrace_location arch_check_ftrace_location check_kprobe_address_safe register_kprobe Al verificar pg-\u0026gt;records[pg-\u0026gt;index - 1].ip en lookup_rec(), puede obtener un pg que se agreg\u00f3 recientemente a ftrace_pages_start en ftrace_process_locs(). Antes del primer pg-\u0026gt;index++, el \u00edndice es 0 y acceder a pg-\u0026gt;records[-1].ip causar\u00e1 este problema. No verifique la IP cuando pg-\u0026gt;index sea 0."
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        "id": "CVE-2023-53075",
        "lastModified": "2026-06-17T06:44:14.840",
        "metrics": {
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                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "LOW",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
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            "url": "https://git.kernel.org/stable/c/2de28e5ce34b22b73b833a21e2c45ae3aade3964"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/4f84f31f63416b0f02fc146ffdc4ab32723eb7e8"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/7569ee04b0e3b32df79f64db3a7138573edad9bc"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/83c3b2f4e7c61367c7b24551f4c6eb94bbdda283"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/ac58b88ccbbb8e9fb83e137cee04a856b1ea6635"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/ee92fa443358f4fc0017c1d0d325c27b37802504"
          },
          {
            "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "tags": [
              "Patch"
            ],
            "url": "https://git.kernel.org/stable/c/f1bd8b7fd890d87d0dc4dedc6287ea34dd07c0b4"
          }
        ],
        "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "vulnStatus": "Analyzed",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-416"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Moderate",
      "current_release_date": "2026-06-29T23:16:05+00:00",
      "cve": "CVE-2023-53075",
      "id": "CVE-2023-53075",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_affected": "198",
      "product_status:known_not_affected": "76",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ftrace: Fix invalid address access in lookup_rec() when index is 0",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53075.json",
      "version": "3"
    }
  }
}



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