staging: rtl8723bs: fix OOB reads in IE loops in issue_assocreq() and join_cmd_hdl()
Summary
| CVE | CVE-2026-64442 |
|---|---|
| State | PUBLISHED |
| Assigner | Linux |
| Source Priority | CVE Program / NVD first with legacy fallback |
| Published | 2026-07-25 10:17:28 UTC |
| Updated | 2026-07-25 10:17:28 UTC |
| Description | 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(): 1. Break if fewer than sizeof(*pIE) bytes remain. 2. Break if the IE's declared data extends past the buffer end. |
Risk And Classification
EPSS: 0.002200000 probability, percentile 0.126030000 (date 2026-07-25)
Vendor Declared Affected Products
| Source | Vendor | Product | Version | Platforms |
|---|---|---|---|---|
| CNA | Linux | Linux | affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b bc881c9915c4468747d0ca5fd1abd7b313cfb0f4 git | Not specified |
| CNA | Linux | Linux | affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b 605ebd94d0f469204f3c9f2f84acc71e43e2780f git | Not specified |
| CNA | Linux | Linux | affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b a830bdc82461353bf7b1f8a2ad2689bf5d2de444 git | Not specified |
| CNA | Linux | Linux | affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b 4c21eec80cf502d9ea18e0b946246b2376452786 git | Not specified |
| CNA | Linux | Linux | affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b ad2637c46ef8b8ae0894372a2d39fdfcdc420a1e git | Not specified |
| CNA | Linux | Linux | affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b c38d16b1ffac385c9e4b38447cd5c46af1114b58 git | Not specified |
| CNA | Linux | Linux | affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b 402f13ec95945f34a210b28df1f8740d3d4a58c5 git | Not specified |
| CNA | Linux | Linux | affected 554c0a3abf216c991c5ebddcdb2c08689ecd290b ef61d628dfad38fead1fd2e08979ae9126d011d5 git | Not specified |
| CNA | Linux | Linux | affected 4.12 | Not specified |
| CNA | Linux | Linux | unaffected 4.12 semver | Not specified |
| CNA | Linux | Linux | unaffected 5.10.261 5.10.* semver | Not specified |
| CNA | Linux | Linux | unaffected 5.15.212 5.15.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.1.178 6.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.6.145 6.6.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.12.96 6.12.* semver | Not specified |
| CNA | Linux | Linux | unaffected 6.18.39 6.18.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.1.4 7.1.* semver | Not specified |
| CNA | Linux | Linux | unaffected 7.2-rc3 * original_commit_for_fix | Not specified |
References
| Reference | Source | Link | Tags |
|---|---|---|---|
| git.kernel.org/stable/c/ef61d628dfad38fead1fd2e08979ae9126d011d5 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/4c21eec80cf502d9ea18e0b946246b2376452786 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/bc881c9915c4468747d0ca5fd1abd7b313cfb0f4 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/ad2637c46ef8b8ae0894372a2d39fdfcdc420a1e | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/402f13ec95945f34a210b28df1f8740d3d4a58c5 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/a830bdc82461353bf7b1f8a2ad2689bf5d2de444 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/605ebd94d0f469204f3c9f2f84acc71e43e2780f | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| git.kernel.org/stable/c/c38d16b1ffac385c9e4b38447cd5c46af1114b58 | 416baaa9-dc9f-4396-8d5f-8c081fb06d67 | git.kernel.org | |
| CVE Program record | CVE.ORG | www.cve.org | canonical |
| NVD vulnerability detail | NVD | nvd.nist.gov | canonical, analysis |
No vendor comments have been submitted for this CVE.
There are currently no legacy QID mappings associated with this CVE.