{"id":"CVE-2026-31626","summary":"staging: rtl8723bs: initialize le_tmp64 in rtw_BIP_verify()","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 '&le_tmp64' (8 vs 6 bytes)\n\nInitializing the variable at the start of the function fixes this\nwarning and ensures predictable behavior.","modified":"2026-06-18T03:57:25.997476679Z","published":"2026-04-24T14:42:47.493Z","related":["CGA-mxpj-h9r8-5rc3","openSUSE-SU-2026:10703-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/31xxx/CVE-2026-31626.json"},"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"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"554c0a3abf216c991c5ebddcdb2c08689ecd290b"},{"fixed":"6792624d933146e2757b07092e93ad915cb58930"},{"fixed":"51532c7c1d357145f4ac561648499f7a6847f739"},{"fixed":"9e911eead187240193516edf55a0e1ab3425aa5b"},{"fixed":"c65ee4d3be5df395e48afbcd0946dd5fce4338a9"},{"fixed":"d5b8f5f8d6fc09a8af5ed139c688660f578ed732"},{"fixed":"b487a7754d874230299d5a9c2710ec4df8b2ed8a"},{"fixed":"c2026c6b603ebec52f55015496703fe79077accf"},{"fixed":"ef74ce5f0bc0e53ce702d8a794f3957884a26efc"},{"fixed":"8c964b82a4e97ec7f25e17b803ee196009b38a57"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31626.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","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"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-31626.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H"}]}