{"api_version":"1","generated_at":"2026-07-23T14:58:01+00:00","cve":"CVE-2026-31626","urls":{"html":"https://cve.report/CVE-2026-31626","api":"https://cve.report/api/cve/CVE-2026-31626.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-31626","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-31626"},"summary":{"title":"staging: rtl8723bs: initialize le_tmp64 in rtw_BIP_verify()","description":"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 '&le_tmp64' (8 vs 6 bytes)\n\nInitializing the variable at the start of the function fixes this\nwarning and ensures predictable behavior.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-04-24 15:16:41","updated_at":"2026-06-01 17:16:53"},"problem_types":["CWE-908"],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.1","severity":"HIGH","vector":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","data":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/6792624d933146e2757b07092e93ad915cb58930","name":"https://git.kernel.org/stable/c/6792624d933146e2757b07092e93ad915cb58930","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/51532c7c1d357145f4ac561648499f7a6847f739","name":"https://git.kernel.org/stable/c/51532c7c1d357145f4ac561648499f7a6847f739","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/b487a7754d874230299d5a9c2710ec4df8b2ed8a","name":"https://git.kernel.org/stable/c/b487a7754d874230299d5a9c2710ec4df8b2ed8a","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d5b8f5f8d6fc09a8af5ed139c688660f578ed732","name":"https://git.kernel.org/stable/c/d5b8f5f8d6fc09a8af5ed139c688660f578ed732","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c2026c6b603ebec52f55015496703fe79077accf","name":"https://git.kernel.org/stable/c/c2026c6b603ebec52f55015496703fe79077accf","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/c65ee4d3be5df395e48afbcd0946dd5fce4338a9","name":"https://git.kernel.org/stable/c/c65ee4d3be5df395e48afbcd0946dd5fce4338a9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8c964b82a4e97ec7f25e17b803ee196009b38a57","name":"https://git.kernel.org/stable/c/8c964b82a4e97ec7f25e17b803ee196009b38a57","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/9e911eead187240193516edf55a0e1ab3425aa5b","name":"https://git.kernel.org/stable/c/9e911eead187240193516edf55a0e1ab3425aa5b","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ef74ce5f0bc0e53ce702d8a794f3957884a26efc","name":"https://git.kernel.org/stable/c/ef74ce5f0bc0e53ce702d8a794f3957884a26efc","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-31626","name":"CVE 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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 '&le_tmp64' (8 vs 6 bytes)\n\nInitializing the variable at the start of the function fixes this\nwarning and ensures predictable behavior."}],"metrics":[{"cvssV3_1":{"baseScore":7.1,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-06-01T16:12:56.823Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/6792624d933146e2757b07092e93ad915cb58930"},{"url":"https://git.kernel.org/stable/c/51532c7c1d357145f4ac561648499f7a6847f739"},{"url":"https://git.kernel.org/stable/c/9e911eead187240193516edf55a0e1ab3425aa5b"},{"url":"https://git.kernel.org/stable/c/c65ee4d3be5df395e48afbcd0946dd5fce4338a9"},{"url":"https://git.kernel.org/stable/c/d5b8f5f8d6fc09a8af5ed139c688660f578ed732"},{"url":"https://git.kernel.org/stable/c/b487a7754d874230299d5a9c2710ec4df8b2ed8a"},{"url":"https://git.kernel.org/stable/c/c2026c6b603ebec52f55015496703fe79077accf"},{"url":"https://git.kernel.org/stable/c/ef74ce5f0bc0e53ce702d8a794f3957884a26efc"},{"url":"https://git.kernel.org/stable/c/8c964b82a4e97ec7f25e17b803ee196009b38a57"}],"title":"staging: rtl8723bs: initialize le_tmp64 in rtw_BIP_verify()","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-31626","datePublished":"2026-04-24T14:42:47.493Z","dateReserved":"2026-03-09T15:48:24.124Z","dateUpdated":"2026-06-01T16:12:56.823Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-04-24 15:16:41","lastModifiedDate":"2026-06-01 17:16:53","problem_types":["CWE-908"],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H","baseScore":7.1,"baseSeverity":"HIGH","attackVector":"ADJACENT_NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"LOW","availabilityImpact":"HIGH"},"exploitabilityScore":2.8,"impactScore":4.2}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.6.136","matchCriteriaId":"022BB187-782F-49F9-A3AE-9DCC0B6012CE"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.7","versionEndExcluding":"6.12.83","matchCriteriaId":"7F0AE5B5-23AC-4DCC-B37A-51CA1DAE7BA8"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.13","versionEndExcluding":"6.18.24","matchCriteriaId":"8126B8B8-6D0B-4443-86C1-672AEE893555"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"6.19","versionEndExcluding":"6.19.14","matchCriteriaId":"D6A8A074-BBF4-4803-ABED-519A839435BB"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"7.0","versionEndExcluding":"7.0.1","matchCriteriaId":"9B5888AB-7403-4335-89E4-21CC0B48366A"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"31626","Ordinal":"1","Title":"staging: rtl8723bs: initialize le_tmp64 in rtw_BIP_verify()","CVE":"CVE-2026-31626","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"31626","Ordinal":"1","NoteData":"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 '&le_tmp64' (8 vs 6 bytes)\n\nInitializing the variable at the start of the function fixes this\nwarning and ensures predictable behavior.","Type":"Description","Title":"staging: rtl8723bs: initialize le_tmp64 in rtw_BIP_verify()"}]}}}