CVE-2023-52607 powerpc/mm: Fix null-pointer dereference in pgtable_cache_add

2024-03-0606:45:31

Linux

github.com

cve-2023-52607

powerpc

null-pointer dereference

pgtable_cache_add

kasprintf

memory allocation

6.6 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

13.2%

JSON

In the Linux kernel, the following vulnerability has been resolved:

powerpc/mm: Fix null-pointer dereference in pgtable_cache_add

kasprintf() returns a pointer to dynamically allocated memory
which can be NULL upon failure. Ensure the allocation was successful
by checking the pointer validity.

CNA Affected

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    "vendor": "Linux",
    "product": "Linux",
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        "version": "1da177e4c3f4",
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    ],
    "programFiles": [
      "arch/powerpc/mm/init-common.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
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    "vendor": "Linux",
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        "versionType": "custom",
        "lessThanOrEqual": "4.19.*"
      },
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        "status": "unaffected",
        "version": "5.4.269",
        "versionType": "custom",
        "lessThanOrEqual": "5.4.*"
      },
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        "status": "unaffected",
        "version": "5.10.210",
        "versionType": "custom",
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        "version": "5.15.149",
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        "status": "unaffected",
        "version": "6.1.77",
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        "version": "6.7.4",
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      },
      {
        "status": "unaffected",
        "version": "6.8",
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        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
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    ],
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]