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CVE-2023-52469 (GCVE-0-2023-52469)

Vulnerability from cvelistv5 – Published: 2024-02-25 08:16 – Updated: 2026-08-05 09:10
VLAI
Title
drivers/amd/pm: fix a use-after-free in kv_parse_power_table
Summary
In the Linux kernel, the following vulnerability has been resolved: drivers/amd/pm: fix a use-after-free in kv_parse_power_table When ps allocated by kzalloc equals to NULL, kv_parse_power_table frees adev->pm.dpm.ps that allocated before. However, after the control flow goes through the following call chains: kv_parse_power_table |-> kv_dpm_init |-> kv_dpm_sw_init |-> kv_dpm_fini The adev->pm.dpm.ps is used in the for loop of kv_dpm_fini after its first free in kv_parse_power_table and causes a use-after-free bug.
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-08-08 20:26 UTC
Assigner
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: a2e73f56fa6282481927ec43aa9362c03c2e2104 , < 8a27d9d9fc9b5564b8904c3a77a7dea482bfa34e (git)
Affected: a2e73f56fa6282481927ec43aa9362c03c2e2104 , < 8b55b06e737feb2a645b0293ea27e38418876d63 (git)
Affected: a2e73f56fa6282481927ec43aa9362c03c2e2104 , < 520e213a0b97b64735a13950e9371e0a5d7a5dc3 (git)
Affected: a2e73f56fa6282481927ec43aa9362c03c2e2104 , < b6dcba02ee178282e0d28684d241e0b8462dea6a (git)
Affected: a2e73f56fa6282481927ec43aa9362c03c2e2104 , < 35fa2394d26e919f63600ce631e6aefc95ec2706 (git)
Affected: a2e73f56fa6282481927ec43aa9362c03c2e2104 , < 95084632a65d5c0d682a83b55935560bdcd2a1e3 (git)
Affected: a2e73f56fa6282481927ec43aa9362c03c2e2104 , < 3426f059eacc33ecc676b0d66539297e1cfafd02 (git)
Affected: a2e73f56fa6282481927ec43aa9362c03c2e2104 , < 28dd788382c43b330480f57cd34cde0840896743 (git)
guessed Create a notification for this product.
Linux Linux Affected: 4.2
Unaffected: 0 , < 4.2 (semver)
Unaffected: 4.19.306 , ≤ 4.19.* (semver)
Unaffected: 5.4.268 , ≤ 5.4.* (semver)
Unaffected: 5.10.209 , ≤ 5.10.* (semver)
Unaffected: 5.15.148 , ≤ 5.15.* (semver)
Unaffected: 6.1.75 , ≤ 6.1.* (semver)
Unaffected: 6.6.14 , ≤ 6.6.* (semver)
Unaffected: 6.7.2 , ≤ 6.7.* (semver)
Unaffected: 6.8 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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                "tags": [
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                "url": "https://git.kernel.org/stable/c/95084632a65d5c0d682a83b55935560bdcd2a1e3"
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              {
                "tags": [
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                "url": "https://git.kernel.org/stable/c/3426f059eacc33ecc676b0d66539297e1cfafd02"
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                "url": "https://git.kernel.org/stable/c/28dd788382c43b330480f57cd34cde0840896743"
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                "tags": [
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                "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00016.html"
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                  "x_transferred"
                ],
                "url": "https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html"
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            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-52469",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2024-08-08T20:26:55.333142Z",
                    "version": "2.0.3"
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                  "type": "ssvc"
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            "providerMetadata": {
              "dateUpdated": "2024-08-08T20:27:48.896Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "defaultStatus": "unaffected",
              "product": "Linux",
              "programFiles": [
                "drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
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                {
                  "lessThan": "28dd788382c43b330480f57cd34cde0840896743",
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            },
            {
              "defaultStatus": "affected",
              "product": "Linux",
              "programFiles": [
                "drivers/gpu/drm/amd/pm/legacy-dpm/kv_dpm.c"
              ],
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "vendor": "Linux",
              "versions": [
                {
                  "status": "affected",
                  "version": "4.2"
                },
                {
                  "lessThan": "4.2",
                  "status": "unaffected",
                  "version": "0",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "4.19.*",
                  "status": "unaffected",
                  "version": "4.19.306",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.4.*",
                  "status": "unaffected",
                  "version": "5.4.268",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.10.*",
                  "status": "unaffected",
                  "version": "5.10.209",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "5.15.*",
                  "status": "unaffected",
                  "version": "5.15.148",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.1.*",
                  "status": "unaffected",
                  "version": "6.1.75",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.6.*",
                  "status": "unaffected",
                  "version": "6.6.14",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "6.7.*",
                  "status": "unaffected",
                  "version": "6.7.2",
                  "versionType": "semver"
                },
                {
                  "lessThanOrEqual": "*",
                  "status": "unaffected",
                  "version": "6.8",
                  "versionType": "original_commit_for_fix"
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              ]
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          ],
          "cpeApplicability": [
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              "nodes": [
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                  "cpeMatch": [
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                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "4.19.306",
                      "versionStartIncluding": "4.2",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.4.268",
                      "versionStartIncluding": "4.2",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.10.209",
                      "versionStartIncluding": "4.2",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "5.15.148",
                      "versionStartIncluding": "4.2",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.1.75",
                      "versionStartIncluding": "4.2",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.6.14",
                      "versionStartIncluding": "4.2",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.7.2",
                      "versionStartIncluding": "4.2",
                      "vulnerable": true
                    },
                    {
                      "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                      "versionEndExcluding": "6.8",
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                      "vulnerable": true
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                  "operator": "OR"
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          ],
          "descriptions": [
            {
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              "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ndrivers/amd/pm: fix a use-after-free in kv_parse_power_table\n\nWhen ps allocated by kzalloc equals to NULL, kv_parse_power_table\nfrees adev-\u003epm.dpm.ps that allocated before. However, after the control\nflow goes through the following call chains:\n\nkv_parse_power_table\n  |-\u003e kv_dpm_init\n        |-\u003e kv_dpm_sw_init\n\t      |-\u003e kv_dpm_fini\n\nThe adev-\u003epm.dpm.ps is used in the for loop of kv_dpm_fini after its\nfirst free in kv_parse_power_table and causes a use-after-free bug."
            }
          ],
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                "baseSeverity": "HIGH",
                "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "scenarios": [
                {
                  "lang": "en",
                  "value": "AV:L - The vulnerable path runs only during amdgpu PCI/DRM device software init (amdgpu_device_ip_init \u2192 kv_dpm_sw_init \u2192 kv_dpm_init \u2192 kv_parse_power_table) on Kabini/Kaveri/Mullins APUs, which is local driver initialization and not reachable via network or adjacent-link protocols.\nAC:L - A local attacker can induce system-wide memory pressure so the GFP_KERNEL kzalloc of struct kv_ps fails; once that allocation fails, the premature kfree of adev-\u003epm.dpm.ps followed by kv_dpm_fini\u2019s second free is deterministic with no uncontrolled race.\nPR:L - Exploitation is assessed from an unprivileged local account on a shared system with an affected AMD APU and amdgpu CIK support enabled; under the higher-severity interpretation, real root is not required for the attacker\u2019s privileges prior to exploitation (consistent with the sibling si_dpm double-free CVE-2023-52691).\nUI:N - No separate victim action such as opening a file or clicking a link is required; the flaw is triggered by driver initialization under attacker-influenced memory conditions.\nS:U - Impact remains within the host kernel\u2019s security authority as standard kernel heap corruption / potential privilege escalation, with no VM escape, IOMMU bypass, or other security-boundary crossing.\nC:H - The bug is a kernel double-free of the adev-\u003epm.dpm.ps heap object (UAF-class memory corruption); reclaiming the freed slab can yield arbitrary read primitives.\nI:H - Double-free freelist corruption in the kernel allocator can be abused for overlapping objects and arbitrary write / control-flow hijacking, enabling full integrity compromise.\nA:H - The double-free reliably corrupts kernel heap state and can oops/panic the kernel or otherwise deny service even when not fully exploited for code execution."
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            "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
            "shortName": "Linux"
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          "references": [
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              "url": "https://git.kernel.org/stable/c/8a27d9d9fc9b5564b8904c3a77a7dea482bfa34e"
            },
            {
              "url": "https://git.kernel.org/stable/c/8b55b06e737feb2a645b0293ea27e38418876d63"
            },
            {
              "url": "https://git.kernel.org/stable/c/520e213a0b97b64735a13950e9371e0a5d7a5dc3"
            },
            {
              "url": "https://git.kernel.org/stable/c/b6dcba02ee178282e0d28684d241e0b8462dea6a"
            },
            {
              "url": "https://git.kernel.org/stable/c/35fa2394d26e919f63600ce631e6aefc95ec2706"
            },
            {
              "url": "https://git.kernel.org/stable/c/95084632a65d5c0d682a83b55935560bdcd2a1e3"
            },
            {
              "url": "https://git.kernel.org/stable/c/3426f059eacc33ecc676b0d66539297e1cfafd02"
            },
            {
              "url": "https://git.kernel.org/stable/c/28dd788382c43b330480f57cd34cde0840896743"
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          "title": "drivers/amd/pm: fix a use-after-free in kv_parse_power_table",
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      "cveMetadata": {
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "assignerShortName": "Linux",
        "cveId": "CVE-2023-52469",
        "datePublished": "2024-02-25T08:16:33.016Z",
        "dateReserved": "2024-02-20T12:30:33.297Z",
        "dateUpdated": "2026-08-05T09:10:06.350Z",
        "state": "PUBLISHED"
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  }
}



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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.


Detection rules are retrieved from Rulezet.


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.