CVE-2022-49267 (GCVE-0-2022-49267)

Vulnerability from cvelistv5 – Published: 2025-02-26 01:56 – Updated: 2026-01-19 12:17
VLAI?
Title
mmc: core: use sysfs_emit() instead of sprintf()
Summary
In the Linux kernel, the following vulnerability has been resolved: mmc: core: use sysfs_emit() instead of sprintf() sprintf() (still used in the MMC core for the sysfs output) is vulnerable to the buffer overflow. Use the new-fangled sysfs_emit() instead. Found by Linux Verification Center (linuxtesting.org) with the SVACE static analysis tool.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 0f55ac683b2722714016f16daae9cab3f7f7b9f9 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < 659ca56b5415c7a1d05e185c36fad80ba165d063 (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < c4ab65738ab3e21fe519ee46b2051222bc8e32ef (git)
Affected: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 , < f5d8a5fe77ce933f53eb8f2e22bb7a1a2019ea11 (git)
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    Linux Linux Affected: 2.6.12
Unaffected: 0 , < 2.6.12 (semver)
Unaffected: 5.15.198 , ≤ 5.15.* (semver)
Unaffected: 5.16.19 , ≤ 5.16.* (semver)
Unaffected: 5.17.2 , ≤ 5.17.* (semver)
Unaffected: 5.18 , ≤ * (original_commit_for_fix)
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            "drivers/mmc/core/sdio.c",
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      "descriptions": [
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          "lang": "en",
          "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmmc: core: use sysfs_emit() instead of sprintf()\n\nsprintf() (still used in the MMC core for the sysfs output) is vulnerable\nto the buffer overflow.  Use the new-fangled sysfs_emit() instead.\n\nFound by Linux Verification Center (linuxtesting.org) with the SVACE static\nanalysis tool."
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    "datePublished": "2025-02-26T01:56:16.211Z",
    "dateReserved": "2025-02-26T01:49:39.297Z",
    "dateUpdated": "2026-01-19T12:17:38.477Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}


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