Vulnerability-Lookup

FKIE_CVE-2024-53097

Vulnerability from fkie_nvd - Published: 2024-11-25 22:15 - Updated: 2026-06-17 08:08

Severity

5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
5.5 (Medium) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: mm: krealloc: Fix MTE false alarm in __do_krealloc This patch addresses an issue introduced by commit 1a83a716ec233 ("mm: krealloc: consider spare memory for __GFP_ZERO") which causes MTE (Memory Tagging Extension) to falsely report a slab-out-of-bounds error. The problem occurs when zeroing out spare memory in __do_krealloc. The original code only considered software-based KASAN and did not account for MTE. It does not reset the KASAN tag before calling memset, leading to a mismatch between the pointer tag and the memory tag, resulting in a false positive. Example of the error: ================================================================== swapper/0: BUG: KASAN: slab-out-of-bounds in __memset+0x84/0x188 swapper/0: Write at addr f4ffff8005f0fdf0 by task swapper/0/1 swapper/0: Pointer tag: [f4], memory tag: [fe] swapper/0: swapper/0: CPU: 4 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12. swapper/0: Hardware name: MT6991(ENG) (DT) swapper/0: Call trace: swapper/0: dump_backtrace+0xfc/0x17c swapper/0: show_stack+0x18/0x28 swapper/0: dump_stack_lvl+0x40/0xa0 swapper/0: print_report+0x1b8/0x71c swapper/0: kasan_report+0xec/0x14c swapper/0: __do_kernel_fault+0x60/0x29c swapper/0: do_bad_area+0x30/0xdc swapper/0: do_tag_check_fault+0x20/0x34 swapper/0: do_mem_abort+0x58/0x104 swapper/0: el1_abort+0x3c/0x5c swapper/0: el1h_64_sync_handler+0x80/0xcc swapper/0: el1h_64_sync+0x68/0x6c swapper/0: __memset+0x84/0x188 swapper/0: btf_populate_kfunc_set+0x280/0x3d8 swapper/0: __register_btf_kfunc_id_set+0x43c/0x468 swapper/0: register_btf_kfunc_id_set+0x48/0x60 swapper/0: register_nf_nat_bpf+0x1c/0x40 swapper/0: nf_nat_init+0xc0/0x128 swapper/0: do_one_initcall+0x184/0x464 swapper/0: do_initcall_level+0xdc/0x1b0 swapper/0: do_initcalls+0x70/0xc0 swapper/0: do_basic_setup+0x1c/0x28 swapper/0: kernel_init_freeable+0x144/0x1b8 swapper/0: kernel_init+0x20/0x1a8 swapper/0: ret_from_fork+0x10/0x20 ==================================================================

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3dfb40da84f26dd35dd9bbaf626a2424565b8406	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/486aeb5f1855c75dd810c25036134961bd2a6722	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/704573851b51808b45dae2d62059d1d8189138a2	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/71548fada7ee0eb50cc6ccda82dff010c745f92c	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/8ebee7565effdeae6085458f8f8463363120a871	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d02492863023431c31f85d570f718433c22b9311	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d43f1430d47c22a0727c05b6f156ed25fecdfeb4	Patch
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
af854a3a-2127-422b-91ae-364da2661108	https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	6.10.14

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/slab_common.c"
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
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              "versionType": "git"
            },
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            {
              "status": "affected",
              "version": "73388659ef0eea51747350530afdeadf8809ce9c",
              "versionType": "git"
            },
            {
              "lessThan": "6.11",
              "status": "affected",
              "version": "6.10.14",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/slab_common.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5.10.230",
              "status": "affected",
              "version": "5.10.227",
              "versionType": "semver"
            },
            {
              "lessThan": "5.15.173",
              "status": "affected",
              "version": "5.15.168",
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            },
            {
              "lessThan": "6.1.118",
              "status": "affected",
              "version": "6.1.113",
              "versionType": "semver"
            },
            {
              "lessThan": "6.6.62",
              "status": "affected",
              "version": "6.6.55",
              "versionType": "semver"
            },
            {
              "lessThan": "6.11.9",
              "status": "affected",
              "version": "6.11.3",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3546841B-07B8-4997-A4AD-1EC788256AF0",
              "versionEndExcluding": "5.10.230",
              "versionStartIncluding": "5.10.227",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "B3C4D92D-9E65-4C21-AF70-5AC493F239EF",
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              "matchCriteriaId": "DFC4E34A-A453-4E5B-B4B8-A80AC8442771",
              "versionEndExcluding": "6.11.9",
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          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: krealloc: Fix MTE false alarm in __do_krealloc\n\nThis patch addresses an issue introduced by commit 1a83a716ec233 (\"mm:\nkrealloc: consider spare memory for __GFP_ZERO\") which causes MTE\n(Memory Tagging Extension) to falsely report a slab-out-of-bounds error.\n\nThe problem occurs when zeroing out spare memory in __do_krealloc. The\noriginal code only considered software-based KASAN and did not account\nfor MTE. It does not reset the KASAN tag before calling memset, leading\nto a mismatch between the pointer tag and the memory tag, resulting\nin a false positive.\n\nExample of the error:\n==================================================================\nswapper/0: BUG: KASAN: slab-out-of-bounds in __memset+0x84/0x188\nswapper/0: Write at addr f4ffff8005f0fdf0 by task swapper/0/1\nswapper/0: Pointer tag: [f4], memory tag: [fe]\nswapper/0:\nswapper/0: CPU: 4 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.\nswapper/0: Hardware name: MT6991(ENG) (DT)\nswapper/0: Call trace:\nswapper/0:  dump_backtrace+0xfc/0x17c\nswapper/0:  show_stack+0x18/0x28\nswapper/0:  dump_stack_lvl+0x40/0xa0\nswapper/0:  print_report+0x1b8/0x71c\nswapper/0:  kasan_report+0xec/0x14c\nswapper/0:  __do_kernel_fault+0x60/0x29c\nswapper/0:  do_bad_area+0x30/0xdc\nswapper/0:  do_tag_check_fault+0x20/0x34\nswapper/0:  do_mem_abort+0x58/0x104\nswapper/0:  el1_abort+0x3c/0x5c\nswapper/0:  el1h_64_sync_handler+0x80/0xcc\nswapper/0:  el1h_64_sync+0x68/0x6c\nswapper/0:  __memset+0x84/0x188\nswapper/0:  btf_populate_kfunc_set+0x280/0x3d8\nswapper/0:  __register_btf_kfunc_id_set+0x43c/0x468\nswapper/0:  register_btf_kfunc_id_set+0x48/0x60\nswapper/0:  register_nf_nat_bpf+0x1c/0x40\nswapper/0:  nf_nat_init+0xc0/0x128\nswapper/0:  do_one_initcall+0x184/0x464\nswapper/0:  do_initcall_level+0xdc/0x1b0\nswapper/0:  do_initcalls+0x70/0xc0\nswapper/0:  do_basic_setup+0x1c/0x28\nswapper/0:  kernel_init_freeable+0x144/0x1b8\nswapper/0:  kernel_init+0x20/0x1a8\nswapper/0:  ret_from_fork+0x10/0x20\n=================================================================="
    },
    {
      "lang": "es",
      "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mm: krealloc: corrige la falsa alarma de MTE en __do_krealloc Este parche soluciona un problema introducido por el commit 1a83a716ec233 (\"mm: krealloc: considere la memoria de repuesto para __GFP_ZERO\") que hace que MTE (extensi\u00f3n de etiquetado de memoria) informe falsamente un error de losa fuera de los l\u00edmites. El problema ocurre al poner a cero la memoria de repuesto en __do_krealloc. El c\u00f3digo original solo consideraba KASAN basado en software y no ten\u00eda en cuenta MTE. No restablece la etiqueta KASAN antes de llamar a memset, lo que lleva a una falta de coincidencia entre la etiqueta del puntero y la etiqueta de memoria, lo que resulta en un falso positivo. Ejemplo del error: ================================================================== swapper/0: ERROR: KASAN: slab fuera de los l\u00edmites en __memset+0x84/0x188 swapper/0: Escritura en la direcci\u00f3n f4ffff8005f0fdf0 por la tarea swapper/0/1 swapper/0: Etiqueta de puntero: [f4], etiqueta de memoria: [fe] swapper/0: swapper/0: CPU: 4 UID: 0 PID: 1 Comm: swapper/0 No contaminado 6.12. swapper/0: Nombre del hardware: MT6991(ENG) (DT) swapper/0: Rastreo de llamadas: swapper/0: dump_backtrace+0xfc/0x17c swapper/0: show_stack+0x18/0x28 swapper/0: dump_stack_lvl+0x40/0xa0 swapper/0: print_report+0x1b8/0x71c swapper/0: kasan_report+0xec/0x14c swapper/0: __do_kernel_fault+0x60/0x29c swapper/0: do_bad_area+0x30/0xdc swapper/0: do_tag_check_fault+0x20/0x34 swapper/0: do_mem_abort+0x58/0x104 swapper/0: el1_abort+0x3c/0x5c intercambiador/0: el1h_64_sync_handler+0x80/0xcc intercambiador/0: el1h_64_sync+0x68/0x6c intercambiador/0: __memset+0x84/0x188 intercambiador/0: btf_populate_kfunc_set+0x280/0x3d8 intercambiador/0: __register_btf_kfunc_id_set+0x43c/0x468 intercambiador/0: register_btf_kfunc_id_set+0x48/0x60 intercambiador/0: register_nf_nat_bpf+0x1c/0x40 intercambiador/0: nf_nat_init+0xc0/0x128 intercambiador/0: do_one_initcall+0x184/0x464 intercambiador/0: do_initcall_level+0xdc/0x1b0 intercambiador/0: do_initcalls+0x70/0xc0 intercambiador/0: do_basic_setup+0x1c/0x28 intercambiador/0: kernel_init_freeable+0x144/0x1b8 intercambiador/0: kernel_init+0x20/0x1a8 intercambiador/0: ret_from_fork+0x10/0x20 ===================================================================="
    }
  ],
  "id": "CVE-2024-53097",
  "lastModified": "2026-06-17T08:08:16.100",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "nvd@nist.gov",
        "type": "Primary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "LOCAL",
          "availabilityImpact": "HIGH",
          "baseScore": 5.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.8,
        "impactScore": 3.6,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2024-53097",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-10-01T20:11:14.602710Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2024-11-25T22:15:15.763",
  "references": [
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/3dfb40da84f26dd35dd9bbaf626a2424565b8406"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/486aeb5f1855c75dd810c25036134961bd2a6722"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/704573851b51808b45dae2d62059d1d8189138a2"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/71548fada7ee0eb50cc6ccda82dff010c745f92c"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/8ebee7565effdeae6085458f8f8463363120a871"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
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      "url": "https://git.kernel.org/stable/c/d02492863023431c31f85d570f718433c22b9311"
    },
    {
      "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
      "tags": [
        "Patch"
      ],
      "url": "https://git.kernel.org/stable/c/d43f1430d47c22a0727c05b6f156ed25fecdfeb4"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
    }
  ],
  "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "NVD-CWE-noinfo"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}

CVE-2024-53097 (GCVE-0-2024-53097)

Vulnerability from cvelistv5 – Published: 2024-11-25 21:21 – Updated: 2026-05-23 15:55

Title

mm: krealloc: Fix MTE false alarm in __do_krealloc

Summary

Severity

5.5 (Medium)


                        
                          CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-10-01 20:11 UTC

CWE

CWE-noinfo Not enough information

Assigner

Linux CNA under the mitre root

CNA scorecard D 53/100 over 7067 records in the last 180 days details

References

9 references

URL	Tags
https://git.kernel.org/stable/c/8ebee7565effdeae6…
https://git.kernel.org/stable/c/d02492863023431c3…
https://git.kernel.org/stable/c/d43f1430d47c22a07…
https://git.kernel.org/stable/c/486aeb5f1855c75dd…
https://git.kernel.org/stable/c/71548fada7ee0eb50…
https://git.kernel.org/stable/c/3dfb40da84f26dd35…
https://git.kernel.org/stable/c/704573851b51808b4…
https://lists.debian.org/debian-lts-announce/2025…
https://lists.debian.org/debian-lts-announce/2025…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: c383263ee82a01a5a9bc1a466025ccde39a38cae , < 8ebee7565effdeae6085458f8f8463363120a871 (git) Affected: a543785856249a5ba8c20468098601c0c33b1224 , < d02492863023431c31f85d570f718433c22b9311 (git) Affected: 44f79667fefd52945a44d2a57a2cd3c554d7f4e0 , < d43f1430d47c22a0727c05b6f156ed25fecdfeb4 (git) Affected: f8767d10bcbc2529540eb906906c0058e15cd918 , < 486aeb5f1855c75dd810c25036134961bd2a6722 (git) Affected: e3a9fc1520a6606c6121aca8d6679c6b93de7fd8 , < 71548fada7ee0eb50cc6ccda82dff010c745f92c (git) Affected: 3e9a65a38706866bf93e19f5b4936465188add10 , < 3dfb40da84f26dd35dd9bbaf626a2424565b8406 (git) Affected: 1a83a716ec233990e1fd5b6fbb1200ade63bf450 , < 704573851b51808b45dae2d62059d1d8189138a2 (git) Affected: 73388659ef0eea51747350530afdeadf8809ce9c (git) Affected: 6.10.14 , < 6.11 (semver)
Linux	Linux	Affected: 5.10.227 , < 5.10.230 (semver) Affected: 5.15.168 , < 5.15.173 (semver) Affected: 6.1.113 , < 6.1.118 (semver) Affected: 6.6.55 , < 6.6.62 (semver) Affected: 6.11.3 , < 6.11.9 (semver)

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{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "LOW",
              "attackVector": "LOCAL",
              "availabilityImpact": "HIGH",
              "baseScore": 5.5,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "NONE",
              "integrityImpact": "NONE",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2024-53097",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-10-01T20:11:14.602710Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "problemTypes": [
          {
            "descriptions": [
              {
                "description": "CWE-noinfo Not enough information",
                "lang": "en",
                "type": "CWE"
              }
            ]
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-10-01T20:17:12.726Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      },
      {
        "providerMetadata": {
          "dateUpdated": "2025-11-03T22:29:11.139Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html"
          },
          {
            "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/slab_common.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "8ebee7565effdeae6085458f8f8463363120a871",
              "status": "affected",
              "version": "c383263ee82a01a5a9bc1a466025ccde39a38cae",
              "versionType": "git"
            },
            {
              "lessThan": "d02492863023431c31f85d570f718433c22b9311",
              "status": "affected",
              "version": "a543785856249a5ba8c20468098601c0c33b1224",
              "versionType": "git"
            },
            {
              "lessThan": "d43f1430d47c22a0727c05b6f156ed25fecdfeb4",
              "status": "affected",
              "version": "44f79667fefd52945a44d2a57a2cd3c554d7f4e0",
              "versionType": "git"
            },
            {
              "lessThan": "486aeb5f1855c75dd810c25036134961bd2a6722",
              "status": "affected",
              "version": "f8767d10bcbc2529540eb906906c0058e15cd918",
              "versionType": "git"
            },
            {
              "lessThan": "71548fada7ee0eb50cc6ccda82dff010c745f92c",
              "status": "affected",
              "version": "e3a9fc1520a6606c6121aca8d6679c6b93de7fd8",
              "versionType": "git"
            },
            {
              "lessThan": "3dfb40da84f26dd35dd9bbaf626a2424565b8406",
              "status": "affected",
              "version": "3e9a65a38706866bf93e19f5b4936465188add10",
              "versionType": "git"
            },
            {
              "lessThan": "704573851b51808b45dae2d62059d1d8189138a2",
              "status": "affected",
              "version": "1a83a716ec233990e1fd5b6fbb1200ade63bf450",
              "versionType": "git"
            },
            {
              "status": "affected",
              "version": "73388659ef0eea51747350530afdeadf8809ce9c",
              "versionType": "git"
            },
            {
              "lessThan": "6.11",
              "status": "affected",
              "version": "6.10.14",
              "versionType": "semver"
            }
          ]
        },
        {
          "defaultStatus": "unaffected",
          "product": "Linux",
          "programFiles": [
            "mm/slab_common.c"
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "vendor": "Linux",
          "versions": [
            {
              "lessThan": "5.10.230",
              "status": "affected",
              "version": "5.10.227",
              "versionType": "semver"
            },
            {
              "lessThan": "5.15.173",
              "status": "affected",
              "version": "5.15.168",
              "versionType": "semver"
            },
            {
              "lessThan": "6.1.118",
              "status": "affected",
              "version": "6.1.113",
              "versionType": "semver"
            },
            {
              "lessThan": "6.6.62",
              "status": "affected",
              "version": "6.6.55",
              "versionType": "semver"
            },
            {
              "lessThan": "6.11.9",
              "status": "affected",
              "version": "6.11.3",
              "versionType": "semver"
            }
          ]
        }
      ],
      "cpeApplicability": [
        {
          "nodes": [
            {
              "cpeMatch": [
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.10.230",
                  "versionStartIncluding": "5.10.227",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "5.15.173",
                  "versionStartIncluding": "5.15.168",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.1.118",
                  "versionStartIncluding": "6.1.113",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.6.62",
                  "versionStartIncluding": "6.6.55",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionEndExcluding": "6.11.9",
                  "versionStartIncluding": "6.11.3",
                  "vulnerable": true
                },
                {
                  "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                  "versionStartIncluding": "6.10.14",
                  "vulnerable": true
                }
              ],
              "negate": false,
              "operator": "OR"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmm: krealloc: Fix MTE false alarm in __do_krealloc\n\nThis patch addresses an issue introduced by commit 1a83a716ec233 (\"mm:\nkrealloc: consider spare memory for __GFP_ZERO\") which causes MTE\n(Memory Tagging Extension) to falsely report a slab-out-of-bounds error.\n\nThe problem occurs when zeroing out spare memory in __do_krealloc. The\noriginal code only considered software-based KASAN and did not account\nfor MTE. It does not reset the KASAN tag before calling memset, leading\nto a mismatch between the pointer tag and the memory tag, resulting\nin a false positive.\n\nExample of the error:\n==================================================================\nswapper/0: BUG: KASAN: slab-out-of-bounds in __memset+0x84/0x188\nswapper/0: Write at addr f4ffff8005f0fdf0 by task swapper/0/1\nswapper/0: Pointer tag: [f4], memory tag: [fe]\nswapper/0:\nswapper/0: CPU: 4 UID: 0 PID: 1 Comm: swapper/0 Not tainted 6.12.\nswapper/0: Hardware name: MT6991(ENG) (DT)\nswapper/0: Call trace:\nswapper/0:  dump_backtrace+0xfc/0x17c\nswapper/0:  show_stack+0x18/0x28\nswapper/0:  dump_stack_lvl+0x40/0xa0\nswapper/0:  print_report+0x1b8/0x71c\nswapper/0:  kasan_report+0xec/0x14c\nswapper/0:  __do_kernel_fault+0x60/0x29c\nswapper/0:  do_bad_area+0x30/0xdc\nswapper/0:  do_tag_check_fault+0x20/0x34\nswapper/0:  do_mem_abort+0x58/0x104\nswapper/0:  el1_abort+0x3c/0x5c\nswapper/0:  el1h_64_sync_handler+0x80/0xcc\nswapper/0:  el1h_64_sync+0x68/0x6c\nswapper/0:  __memset+0x84/0x188\nswapper/0:  btf_populate_kfunc_set+0x280/0x3d8\nswapper/0:  __register_btf_kfunc_id_set+0x43c/0x468\nswapper/0:  register_btf_kfunc_id_set+0x48/0x60\nswapper/0:  register_nf_nat_bpf+0x1c/0x40\nswapper/0:  nf_nat_init+0xc0/0x128\nswapper/0:  do_one_initcall+0x184/0x464\nswapper/0:  do_initcall_level+0xdc/0x1b0\nswapper/0:  do_initcalls+0x70/0xc0\nswapper/0:  do_basic_setup+0x1c/0x28\nswapper/0:  kernel_init_freeable+0x144/0x1b8\nswapper/0:  kernel_init+0x20/0x1a8\nswapper/0:  ret_from_fork+0x10/0x20\n=================================================================="
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-05-23T15:55:08.845Z",
        "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "shortName": "Linux"
      },
      "references": [
        {
          "url": "https://git.kernel.org/stable/c/8ebee7565effdeae6085458f8f8463363120a871"
        },
        {
          "url": "https://git.kernel.org/stable/c/d02492863023431c31f85d570f718433c22b9311"
        },
        {
          "url": "https://git.kernel.org/stable/c/d43f1430d47c22a0727c05b6f156ed25fecdfeb4"
        },
        {
          "url": "https://git.kernel.org/stable/c/486aeb5f1855c75dd810c25036134961bd2a6722"
        },
        {
          "url": "https://git.kernel.org/stable/c/71548fada7ee0eb50cc6ccda82dff010c745f92c"
        },
        {
          "url": "https://git.kernel.org/stable/c/3dfb40da84f26dd35dd9bbaf626a2424565b8406"
        },
        {
          "url": "https://git.kernel.org/stable/c/704573851b51808b45dae2d62059d1d8189138a2"
        }
      ],
      "title": "mm: krealloc: Fix MTE false alarm in __do_krealloc",
      "x_generator": {
        "engine": "bippy-1.2.0"
      }
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  },
  "cveMetadata": {
    "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
    "assignerShortName": "Linux",
    "cveId": "CVE-2024-53097",
    "datePublished": "2024-11-25T21:21:26.549Z",
    "dateReserved": "2024-11-19T17:17:24.983Z",
    "dateUpdated": "2026-05-23T15:55:08.845Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.2"
}

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.

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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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