CVE-2026-64442High· 8.1▾ TwilightIn the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB reads in IE loops in issue_assocreq() and join_cmd_hdl() Two IE parsing loops are missing the header bounds checks before they dereference …
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 44.6 · likelihood 0.1 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.3%
In the Linux kernel, the following vulnerability has been resolved:
staging: rtl8723bs: fix OOB reads in IE loops in issue_assocreq() and join_cmd_hdl()
Two IE parsing loops are missing the header bounds checks before they dereference pIE->length:
issue_assocreq() walks pmlmeinfo->network.ies to build the association request. If the stored IE data ends with only an element_id byte and no length byte, pIE->length is read one byte past the end of the buffer.
join_cmd_hdl() walks pnetwork->ies during station join and has the same problem under the same conditions.
Both buffers are filled from AP beacon and probe-response frames, so a malicious AP that sends a truncated final IE can trigger the issue.
Apply the two-guard pattern established in update_beacon_info():
Linux >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < bc881c9915c4468747d0ca5fd1abd7b313cfb0f4Linux >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < 605ebd94d0f469204f3c9f2f84acc71e43e2780fLinux >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < a830bdc82461353bf7b1f8a2ad2689bf5d2de444Linux >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < 4c21eec80cf502d9ea18e0b946246b2376452786Linux >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < ad2637c46ef8b8ae0894372a2d39fdfcdc420a1eLinux >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < c38d16b1ffac385c9e4b38447cd5c46af1114b58Linux >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < 402f13ec95945f34a210b28df1f8740d3d4a58c5Linux >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < ef61d628dfad38fead1fd2e08979ae9126d011d5Linux 4.12Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Connected by shared product, vendor, weakness, or advisory.
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