CVE-2026-98208 (GCVE-0-2026-98208)

Vulnerability from cvelistv5 – Published: 2026-10-06 08:44 – Updated: 2026-10-06 08:44
VLAI
Title
mmc: sdio_uart: fix xmit_fifo leak when the port table is full
Summary
In the Linux kernel, the following vulnerability has been resolved: mmc: sdio_uart: fix xmit_fifo leak when the port table is full sdio_uart_add_port() allocates the transmit fifo before claiming a slot in sdio_uart_table[]. When all UART_NR slots are taken, it returns -EBUSY with the fifo still allocated, but the probe error path only kfree()s the port, leaking the transmit fifo. Free the fifo in the failure path of sdio_uart_add_port() itself so the function retains nothing on error.
Severity
No CVSS data available.
Assigner
Linux CNA under the mitre root
CNA scorecard D 54/100 over 6633 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: 8b197a5ce7a7218bb9fc721647ba0d5734f27348 , < 9e992d59138fcfaa4bad7cc0750265b0a8bca100 (git)
Affected: 8b197a5ce7a7218bb9fc721647ba0d5734f27348 , < b97b5b66c93cb4aaf6358727a73fff880a774dfd (git)
Affected: 8b197a5ce7a7218bb9fc721647ba0d5734f27348 , < 8a2c1bf209ba04cbd14153a771724bd5aa522fcd (git)
Affected: 8b197a5ce7a7218bb9fc721647ba0d5734f27348 , < 72f4c2b7a48423c708f2c348585419a1b71ab04c (git)
Affected: 8b197a5ce7a7218bb9fc721647ba0d5734f27348 , < fd8223c53ad9553b2a349d2a40e19bbc6e60fc48 (git)
Affected: 8b197a5ce7a7218bb9fc721647ba0d5734f27348 , < ac866db277a4c73e84b4263773652e3aba326249 (git)
Affected: 8b197a5ce7a7218bb9fc721647ba0d5734f27348 , < 5e142adbbdc54afbd01fad476c91cded41d22594 (git)
Affected: 8b197a5ce7a7218bb9fc721647ba0d5734f27348 , < 53823e25793a97d07e6e98e0904bbf74cac8bc76 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.34
Unaffected: 0 , < 2.6.34 (semver)
Unaffected: 5.10.271 , ≤ 5.10.* (semver)
Unaffected: 5.15.222 , ≤ 5.15.* (semver)
Unaffected: 6.1.189 , ≤ 6.1.* (semver)
Unaffected: 6.6.158 , ≤ 6.6.* (semver)
Unaffected: 6.12.112 , ≤ 6.12.* (semver)
Unaffected: 6.18.54 , ≤ 6.18.* (semver)
Unaffected: 7.2.8 , ≤ 7.2.* (semver)
Unaffected: 7.3-rc4 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "title": "kernel: mmc: sdio_uart: fix xmit_fifo leak when the port table is full",
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      "cve": "CVE-2026-98208",
      "id": "CVE-2026-98208",
      "initial_release_date": "2026-10-08T16:50:36Z",
      "product_status:known_affected": "269",
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      "source": "SUSE CSAF VEX",
      "status": "interim",
      "title": "SUSE CVE CVE-2026-98208",
      "url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2026-98208.json",
      "version": "2"
    }
  }
}



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