{"id":"CVE-2026-68190","state":"PUBLISHED","title":"staging: rtl8723bs: fix OOB reads in rtw_get_wps_ie()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: fix OOB reads in rtw_get_wps_ie()\n\nrtw_get_wps_ie() iterates over IE data from network frames without\nvalidating that the IE header and payload fit within the remaining\nbuffer before reading them. Specifically:\n\n- in_ie[cnt + 1] is read without checking cnt + 1 < in_len\n- memcmp(&in_ie[cnt + 2], ...) accesses cnt + 2 without bounds check\n- in_ie[cnt + 1] is used as length without verifying payload fits\n\nAdd bounds checks at the top of the loop body to break early if fewer\nthan 2 bytes remain for the IE header, or if the declared payload\nextends past the end of the buffer. Also require at least 4 bytes of\npayload before comparing the WPS OUI.","publishedAt":"2026-08-10T12:00:07.764Z","updatedAt":"2026-08-19T16:31:04.402Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"c670efe69ec8a3360bfa596436f0250a3bf15d42","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"23b630e334f7e8f76bb22a18aca350da995af905","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"b9d9a4cd2e59df7281992a076464d2536e80c674","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"630fdca3f2437fee3ffd437c4b646ccf84c7be87","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"875479f18835ac11e21a83e88f3d4dc7ccdcd0c4","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"23c31f107b4f8f420a754a45d12599bdb78f9bb8","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"0e95ff792ae0aa6fbad9455943e9e1e4062670e9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/rtl8723bs/core/rtw_ieee80211.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.12","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/rtl8723bs/core/rtw_ieee80211.c"]}],"references":["https://git.kernel.org/stable/c/c670efe69ec8a3360bfa596436f0250a3bf15d42","https://git.kernel.org/stable/c/23b630e334f7e8f76bb22a18aca350da995af905","https://git.kernel.org/stable/c/b9d9a4cd2e59df7281992a076464d2536e80c674","https://git.kernel.org/stable/c/630fdca3f2437fee3ffd437c4b646ccf84c7be87","https://git.kernel.org/stable/c/875479f18835ac11e21a83e88f3d4dc7ccdcd0c4","https://git.kernel.org/stable/c/23c31f107b4f8f420a754a45d12599bdb78f9bb8","https://git.kernel.org/stable/c/0e95ff792ae0aa6fbad9455943e9e1e4062670e9"],"weaknesses":[],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/68xxx/CVE-2026-68190.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-68190","state":"PUBLISHED","datePublished":"2026-08-10T12:00:07.764Z","dateUpdated":"2026-08-19T16:31:04.402Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2026-07-30T09:28:09.373Z"},"containers":{"cna":{"title":"staging: rtl8723bs: fix OOB reads in rtw_get_wps_ie()","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: fix OOB reads in rtw_get_wps_ie()\n\nrtw_get_wps_ie() iterates over IE data from network frames without\nvalidating that the IE header and payload fit within the remaining\nbuffer before reading them. Specifically:\n\n- in_ie[cnt + 1] is read without checking cnt + 1 < in_len\n- memcmp(&in_ie[cnt + 2], ...) accesses cnt + 2 without bounds check\n- in_ie[cnt + 1] is used as length without verifying payload fits\n\nAdd bounds checks at the top of the loop body to break early if fewer\nthan 2 bytes remain for the IE header, or if the declared payload\nextends past the end of the buffer. Also require at least 4 bytes of\npayload before comparing the WPS OUI."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"c670efe69ec8a3360bfa596436f0250a3bf15d42","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"23b630e334f7e8f76bb22a18aca350da995af905","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"b9d9a4cd2e59df7281992a076464d2536e80c674","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"630fdca3f2437fee3ffd437c4b646ccf84c7be87","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"875479f18835ac11e21a83e88f3d4dc7ccdcd0c4","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"23c31f107b4f8f420a754a45d12599bdb78f9bb8","versionType":"git"},{"version":"554c0a3abf216c991c5ebddcdb2c08689ecd290b","status":"affected","lessThan":"0e95ff792ae0aa6fbad9455943e9e1e4062670e9","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/rtl8723bs/core/rtw_ieee80211.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.12","versionType":"semver"},{"version":"5.15.216","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.183","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.6.148","status":"unaffected","lessThanOrEqual":"6.6.*","versionType":"semver"},{"version":"6.12.101","status":"unaffected","lessThanOrEqual":"6.12.*","versionType":"semver"},{"version":"6.18.42","status":"unaffected","lessThanOrEqual":"6.18.*","versionType":"semver"},{"version":"7.1.6","status":"unaffected","lessThanOrEqual":"7.1.*","versionType":"semver"},{"version":"7.2","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/staging/rtl8723bs/core/rtw_ieee80211.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/c670efe69ec8a3360bfa596436f0250a3bf15d42"},{"url":"https://git.kernel.org/stable/c/23b630e334f7e8f76bb22a18aca350da995af905"},{"url":"https://git.kernel.org/stable/c/b9d9a4cd2e59df7281992a076464d2536e80c674"},{"url":"https://git.kernel.org/stable/c/630fdca3f2437fee3ffd437c4b646ccf84c7be87"},{"url":"https://git.kernel.org/stable/c/875479f18835ac11e21a83e88f3d4dc7ccdcd0c4"},{"url":"https://git.kernel.org/stable/c/23c31f107b4f8f420a754a45d12599bdb78f9bb8"},{"url":"https://git.kernel.org/stable/c/0e95ff792ae0aa6fbad9455943e9e1e4062670e9"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-08-19T16:31:04.402Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"5.15.216"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.1.183"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.6.148"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.12.101"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"6.18.42"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"7.1.6"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"4.12","versionEndExcluding":"7.2"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}