{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "f13b8cb5a6920ad98b751d3134686f29810577d4"
            },
            {
              "fixed": "49c2c5924552e1d2f8b635dee663abebbb7cf63b"
            }
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
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            {
              "introduced": "2cb659ef0ac744545499e7c37665b276d9e405da"
            },
            {
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          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
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            {
              "introduced": "24d748413cc4e1d97074bae1f335d32d30912f10"
            },
            {
              "fixed": "d68f753d89f4ef6e410d7e8b7e8ab2fdde921b80"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
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              "introduced": "7aeb259086487417f0fecf66e325bee133e8813a"
            },
            {
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            },
            {
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            },
            {
              "fixed": "1da5c73f3793b224696617a2a21def7500ba18d6"
            },
            {
              "fixed": "b0e2333a231107adedd38c6fcfe1adc6162716fc"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "4a28302b2c681e3cf85e3b41231fff363c4c6a0e"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "5.15.149"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.1.77"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
            {
              "introduced": "6.6.16"
            },
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              "fixed": "6.6.141"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        },
        {
          "events": [
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              "introduced": "6.7.4"
            },
            {
              "fixed": "6.8"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.141"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.91"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.8.0"
            },
            {
              "fixed": "6.18.33"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "7.0.10"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53291.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: hda/conexant: Fix missing error check for jack detection\n\nIn cx_probe(), the return value of snd_hda_jack_detect_enable_callback()\nis ignored. This function returns a pointer, and if it fails (e.g., due\nto memory allocation failure), it returns an error pointer which must\nbe checked using IS_ERR().\n\nIf the registration fails, the driver continues to probe, but the jack\ndetection callback will not be registered. This can lead to a kernel\ncrash later when the driver attempts to handle jack events or accesses\nthe uninitialized structure.\n\nCheck the return value using IS_ERR() and propagate the error via\nPTR_ERR() to the probe caller.",
  "id": "CVE-2026-53291",
  "modified": "2026-08-12T03:51:29.154638503Z",
  "published": "2026-06-26T19:40:50.808Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/1da5c73f3793b224696617a2a21def7500ba18d6"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/49c2c5924552e1d2f8b635dee663abebbb7cf63b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/a2a33e87a2ffce3046c574d24eec4390c27c9365"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b0e2333a231107adedd38c6fcfe1adc6162716fc"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d68f753d89f4ef6e410d7e8b7e8ab2fdde921b80"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/dd110cc00cf854a8ecd8d003127a4178c28574ea"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/f837c7b85143a7c54140ff41ad5c076b73cd9933"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/53xxx/CVE-2026-53291.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-53291"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.9.0",
  "summary": "ALSA: hda/conexant: Fix missing error check for jack detection"
}