{
  "affected": [
    {
      "ranges": [
        {
          "events": [
            {
              "introduced": "554c0a3abf216c991c5ebddcdb2c08689ecd290b"
            },
            {
              "fixed": "6792624d933146e2757b07092e93ad915cb58930"
            },
            {
              "fixed": "51532c7c1d357145f4ac561648499f7a6847f739"
            },
            {
              "fixed": "9e911eead187240193516edf55a0e1ab3425aa5b"
            },
            {
              "fixed": "c65ee4d3be5df395e48afbcd0946dd5fce4338a9"
            },
            {
              "fixed": "d5b8f5f8d6fc09a8af5ed139c688660f578ed732"
            },
            {
              "fixed": "b487a7754d874230299d5a9c2710ec4df8b2ed8a"
            },
            {
              "fixed": "c2026c6b603ebec52f55015496703fe79077accf"
            },
            {
              "fixed": "ef74ce5f0bc0e53ce702d8a794f3957884a26efc"
            },
            {
              "fixed": "8c964b82a4e97ec7f25e17b803ee196009b38a57"
            }
          ],
          "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
          "type": "GIT"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "Linux",
        "name": "Kernel"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "4.12.0"
            },
            {
              "fixed": "5.10.258"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.11.0"
            },
            {
              "fixed": "5.15.209"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "5.16.0"
            },
            {
              "fixed": "6.1.175"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.2.0"
            },
            {
              "fixed": "6.6.136"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.7.0"
            },
            {
              "fixed": "6.12.83"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.13.0"
            },
            {
              "fixed": "6.18.24"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.19.0"
            },
            {
              "fixed": "6.19.14"
            }
          ],
          "type": "ECOSYSTEM"
        },
        {
          "events": [
            {
              "introduced": "6.20.0"
            },
            {
              "fixed": "7.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "cna_assigner": "Linux",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31626.json"
  },
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: initialize le_tmp64 in rtw_BIP_verify()\n\nInitialize le_tmp64 to zero in rtw_BIP_verify() to prevent using\nuninitialized data.\n\nSmatch warns that only 6 bytes are copied to this 8-byte (u64)\nvariable, leaving the last two bytes uninitialized:\n\ndrivers/staging/rtl8723bs/core/rtw_security.c:1308 rtw_BIP_verify()\nwarn: not copying enough bytes for '\u0026le_tmp64' (8 vs 6 bytes)\n\nInitializing the variable at the start of the function fixes this\nwarning and ensures predictable behavior.",
  "id": "CVE-2026-31626",
  "modified": "2026-07-15T01:48:58.405556839Z",
  "published": "2026-04-24T14:42:47.493Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/51532c7c1d357145f4ac561648499f7a6847f739"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/6792624d933146e2757b07092e93ad915cb58930"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/8c964b82a4e97ec7f25e17b803ee196009b38a57"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/9e911eead187240193516edf55a0e1ab3425aa5b"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b487a7754d874230299d5a9c2710ec4df8b2ed8a"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c2026c6b603ebec52f55015496703fe79077accf"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/c65ee4d3be5df395e48afbcd0946dd5fce4338a9"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/d5b8f5f8d6fc09a8af5ed139c688660f578ed732"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/ef74ce5f0bc0e53ce702d8a794f3957884a26efc"
    },
    {
      "type": "ADVISORY",
      "url": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31626.json"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-31626"
    },
    {
      "type": "PACKAGE",
      "url": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
    }
  ],
  "schema_version": "1.8.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "staging: rtl8723bs: initialize le_tmp64 in rtw_BIP_verify()"
}