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
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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          },
          {
            "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"
    },
    "suse_vex": {
      "aggregate_severity": "moderate",
      "current_release_date": "2026-09-01T01:16:47Z",
      "cve": "CVE-2023-53075",
      "id": "CVE-2023-53075",
      "initial_release_date": "2025-05-03T02:51:10Z",
      "product_status:known_affected": "529",
      "product_status:known_not_affected": "155",
      "product_status:recommended": "251",
      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2023-53075",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2023-53075.json",
      "version": "38"
    }
  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.