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Review reviewHigh

CVE-2026-64444

Linux

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB read in OnAssocRsp() IE loop The IE parsing loop in OnAssocRsp() advances by (pIE->length + 2) each iteration but only guards on i < pkt_len. When a malicious AP sends an AssocResponse whose last IE has only one byte remaining in the frame (the element_id byte lands at pkt_len-1), the loop reads pIE->length from pframe[pkt_len], which is one byte past the allocated receive buffer. Additionally, even when the header bytes are in bounds, pIE->length itself can extend the data window beyond pkt_len,...

CVSS
8.1
EPSS
-
- percentile
CISA KEV
Not listed
Published
2026.07.25
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 8.1

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: fix OOB read in OnAssocRsp() IE loop The IE parsing loop in OnAssocRsp() advances by (pIE->length + 2) each iteration but only guards on i < pkt_len. When a malicious AP sends an AssocResponse whose last IE has only one byte remaining in the frame (the element_id byte lands at pkt_len-1), the loop reads pIE->length from pframe[pkt_len], which is one byte past the allocated receive buffer. Additionally, even when the header bytes are in bounds, pIE->length itself can extend the data window beyond pkt_len,...

Affected product and versions

Product
Linux
Affected versions
>= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < 889ca6000ac7fa73457b041848fcb08e0d51b809, >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < 1a52a05471494546f955a58e8c170c0c796c52d5, >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < 0406d746574e875d8778552eb674fcfbf5330bfb, >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < 0970dd47726a57e52013594e9fbf667586eb3673, >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < 04f612dc03427e0b1ac80a2611b5ac0ba93ac446, >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < 7e7741c8315e4160aead00a60cdd6f81ab880717, >= 554c0a3abf216c991c5ebddcdb2c08689ecd290b < f9654207e92283e0acac5d64fe5f8835383b5a23, >= 4.12
Fixed versions
No verified fixed-version field is available yet

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
CWE
Not available
CVE-2026-64444 — Linux | SECUFOCUS NOW