{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-64441", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-19T15:36:31.788Z", "datePublished": "2026-07-25T08:51:13.834Z", "dateUpdated": "2026-08-05T12:42:05.295Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T12:42:05.295Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: fix OOB reads in rtw_get_sec_ie(), rtw_get_wapi_ie(), and rtw_get_wps_attr()\n\nThree IE/attribute parsing functions have missing bounds checks.\n\nrtw_get_sec_ie() and rtw_get_wapi_ie() iterate over a raw IE buffer\nwithout verifying that the header bytes (tag + length) are within the\nremaining buffer before reading them. Additionally, rtw_get_sec_ie()\ncompares the 4-byte WPA OUI at cnt+2 without checking that at least\n6 bytes remain, and rtw_get_wapi_ie() compares a 4-byte WAPI OUI at\ncnt+6 without checking that at least 10 bytes remain.\n\nrtw_get_wps_attr() reads wps_ie[0] and wps_ie+2 unconditionally at\nentry, before verifying that wps_ielen is large enough to contain\nthe 6-byte WPS IE header (element_id + length + 4-byte OUI). Inside\nthe attribute loop, get_unaligned_be16() is called on attr_ptr and\nattr_ptr+2 without checking that 4 bytes remain in the buffer.\n\nAdd a cnt+2 bounds check before each loop body in rtw_get_sec_ie()\nand rtw_get_wapi_ie(), guard each multi-byte comparison with a minimum\nIE length requirement, add a wps_ielen < 6 early return in\nrtw_get_wps_attr(), and add a 4-byte bounds check in its inner loop."}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "baseScore": 8.8, "baseSeverity": "HIGH"}, "scenarios": [{"lang": "en", "value": "AV:A - Malformed beacon or probe-response information elements reach the vulnerable parsers over the air, so the attacker only needs to be within Wi-Fi radio range.\nAC:L - A crafted truncated WPS Selected Registrar attribute followed by controlled IE data deterministically supplies the out-of-bounds length; no race or uncontrollable condition is required.\nPR:N - Beacon and probe-response management frames are processed before association or authentication, and no capability or credential check gates this path.\nUI:N - The driver processes beacons automatically, and routine system-initiated scans reach the WPS path without human action.\nS:U - Exploitation compromises the kernel of the affected host without crossing a separate virtualization or authorization boundary.\nC:H - The out-of-bounds attribute length reaches a copy into a one-byte stack object, permitting control-flow corruption and potential kernel code execution with access to arbitrary kernel-resident data.\nI:H - The attacker can make adjacent controlled frame bytes overflow the one-byte stack destination, potentially overwriting control data and executing arbitrary kernel code.\nA:H - The bounded OOB reads can fault, while the derived stack overflow can trigger an oops, stack-canary panic, or control-flow failure and can be repeated using injected management frames."}]}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/staging/rtl8723bs/core/rtw_ieee80211.c"], "versions": [{"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "lessThan": "efa27d487abcdec79669a60a6d94d5d6eceb7c1d", "status": "affected", "versionType": "git"}, {"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "lessThan": "2ea1ce30ead61589214240e8d33d96310fd613e5", "status": "affected", "versionType": "git"}, {"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "lessThan": "b27ecba3196f6c14e3809595ebd69c0c2392512a", "status": "affected", "versionType": "git"}, {"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "lessThan": "6ab1161e539fb7a1c8b35ff5a6ced4702e855b9c", "status": "affected", "versionType": "git"}, {"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "lessThan": "4b51ee8a40fe47864197d73cc02b191de7a6b072", "status": "affected", "versionType": "git"}, {"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "lessThan": "729c4e72563bda0f1725db1db9ea08df06f41d9b", "status": "affected", "versionType": "git"}, {"version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "lessThan": "1463ca3ec6601cbb097d8d87dbf5dcf1cb86a344", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/staging/rtl8723bs/core/rtw_ieee80211.c"], "versions": [{"version": "4.12", "status": "affected"}, {"version": "0", "lessThan": "4.12", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.212", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.178", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.145", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.97", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.40", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.4", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2-rc3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "5.15.212"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.1.178"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.6.145"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.12.97"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "6.18.40"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "7.1.4"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.12", "versionEndExcluding": "7.2-rc3"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/efa27d487abcdec79669a60a6d94d5d6eceb7c1d"}, {"url": "https://git.kernel.org/stable/c/2ea1ce30ead61589214240e8d33d96310fd613e5"}, {"url": "https://git.kernel.org/stable/c/b27ecba3196f6c14e3809595ebd69c0c2392512a"}, {"url": "https://git.kernel.org/stable/c/6ab1161e539fb7a1c8b35ff5a6ced4702e855b9c"}, {"url": "https://git.kernel.org/stable/c/4b51ee8a40fe47864197d73cc02b191de7a6b072"}, {"url": "https://git.kernel.org/stable/c/729c4e72563bda0f1725db1db9ea08df06f41d9b"}, {"url": "https://git.kernel.org/stable/c/1463ca3ec6601cbb097d8d87dbf5dcf1cb86a344"}], "title": "staging: rtl8723bs: fix OOB reads in rtw_get_sec_ie(), rtw_get_wapi_ie(), and rtw_get_wps_attr()", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/staging/rtl8723bs/core/rtw_ieee80211.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "efa27d487abcdec79669a60a6d94d5d6eceb7c1d", "status": "affected", "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "versionType": "git"}, {"lessThan": "2ea1ce30ead61589214240e8d33d96310fd613e5", "status": "affected", "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "versionType": "git"}, {"lessThan": "b27ecba3196f6c14e3809595ebd69c0c2392512a", "status": "affected", "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "versionType": "git"}, {"lessThan": "6ab1161e539fb7a1c8b35ff5a6ced4702e855b9c", "status": "affected", "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "versionType": "git"}, {"lessThan": "4b51ee8a40fe47864197d73cc02b191de7a6b072", "status": "affected", "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "versionType": "git"}, {"lessThan": "729c4e72563bda0f1725db1db9ea08df06f41d9b", "status": "affected", "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "versionType": "git"}, {"lessThan": "1463ca3ec6601cbb097d8d87dbf5dcf1cb86a344", "status": "affected", "version": "554c0a3abf216c991c5ebddcdb2c08689ecd290b", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/staging/rtl8723bs/core/rtw_ieee80211.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "4.12"}, {"lessThan": "4.12", "status": "unaffected", "version": "0", "versionType": "semver"}, {"lessThanOrEqual": "5.15.*", "status": "unaffected", "version": "5.15.212", "versionType": "semver"}, {"lessThanOrEqual": "6.1.*", "status": "unaffected", "version": "6.1.178", "versionType": "semver"}, {"lessThanOrEqual": "6.6.*", "status": "unaffected", "version": "6.6.145", "versionType": "semver"}, {"lessThanOrEqual": "6.12.*", "status": "unaffected", "version": "6.12.97", "versionType": "semver"}, {"lessThanOrEqual": "6.18.*", "status": "unaffected", "version": "6.18.40", "versionType": "semver"}, {"lessThanOrEqual": "7.1.*", "status": "unaffected", "version": "7.1.4", "versionType": "semver"}, {"lessThanOrEqual": "*", "status": "unaffected", "version": "7.2", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nstaging: rtl8723bs: fix OOB reads in rtw_get_sec_ie(), rtw_get_wapi_ie(), and rtw_get_wps_attr()\n\nThree IE/attribute parsing functions have missing bounds checks.\n\nrtw_get_sec_ie() and rtw_get_wapi_ie() iterate over a raw IE buffer\nwithout verifying that the header bytes (tag + length) are within the\nremaining buffer before reading them. Additionally, rtw_get_sec_ie()\ncompares the 4-byte WPA OUI at cnt+2 without checking that at least\n6 bytes remain, and rtw_get_wapi_ie() compares a 4-byte WAPI OUI at\ncnt+6 without checking that at least 10 bytes remain.\n\nrtw_get_wps_attr() reads wps_ie[0] and wps_ie+2 unconditionally at\nentry, before verifying that wps_ielen is large enough to contain\nthe 6-byte WPS IE header (element_id + length + 4-byte OUI). Inside\nthe attribute loop, get_unaligned_be16() is called on attr_ptr and\nattr_ptr+2 without checking that 4 bytes remain in the buffer.\n\nAdd a cnt+2 bounds check before each loop body in rtw_get_sec_ie()\nand rtw_get_wapi_ie(), guard each multi-byte comparison with a minimum\nIE length requirement, add a wps_ielen < 6 early return in\nrtw_get_wps_attr(), and add a 4-byte bounds check in its inner loop."}], "id": "CVE-2026-64441", "lastModified": "2026-08-17T05:17:48.710", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 5.9, "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "type": "Secondary"}]}, "published": "2026-07-25T10:17:28.670", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/1463ca3ec6601cbb097d8d87dbf5dcf1cb86a344"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/2ea1ce30ead61589214240e8d33d96310fd613e5"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/4b51ee8a40fe47864197d73cc02b191de7a6b072"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6ab1161e539fb7a1c8b35ff5a6ced4702e855b9c"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/729c4e72563bda0f1725db1db9ea08df06f41d9b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/b27ecba3196f6c14e3809595ebd69c0c2392512a"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/efa27d487abcdec79669a60a6d94d5d6eceb7c1d"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Awaiting Analysis"}

{"bugzilla": {"description": "kernel: staging: rtl8723bs: fix OOB reads in rtw_get_sec_ie(), rtw_get_wapi_ie(), and rtw_get_wps_attr()", "id": "2507030", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2507030"}, "csaw": false, "cwe": "CWE-125", "details": ["A flaw was found in the Linux kernel's `rtl8723bs` Wi-Fi driver. This vulnerability involves out-of-bounds reads in several functions responsible for parsing information elements (IE) and attributes. Due to missing checks on the size of incoming data, these functions can read beyond the intended memory boundaries. This could allow an attacker to gain access to sensitive information from the system's memory."], "name": "CVE-2026-64441", "public_date": "2026-07-25T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-64441\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-64441\nhttps://lore.kernel.org/linux-cve-announce/2026072539-CVE-2026-64441-0694@gregkh/T"]}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[554c0a3abf216c991c5ebddcdb2c08689ecd290b,efa27d487abcdec79669a60a6d94d5d6eceb7c1d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[554c0a3abf216c991c5ebddcdb2c08689ecd290b,2ea1ce30ead61589214240e8d94d5d6eceb7c1d)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[554c0a3abf216c991c5ebddcdb2c08689ecd290b,b27ecba3196f6c14e3809595ebd69c0c2392512a)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[554c0a3abf216c991c5ebddcdb2c08689ecd290b,6ab1161e539fb7a1c8b35ff5a6ced4702e855b9c)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[554c0a3abf216c991c5ebddcdb2c08689ecd290b,4b51ee8a40fe47864197d73cc02b191de7a6b072)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[554c0a3abf216c991c5ebddcdb2c08689ecd290b,729c4e72563bda0f1725db1db9ea08df06f41d9b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[554c0a3abf216c991c5ebddcdb2c08689ecd290b,1463ca3ec6601cbb097d8d87dbf5dcf1cb86a344)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "4.12"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,4.12)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[5.15.212,5.16.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.1.178,6.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.6.145,6.7.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.97,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.40,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.4,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc3,*]"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-07-25T20:30:02.957837+00:00", "updated": "2026-08-03T18:45:17.773958+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}