Answer in brief
CVE-2026-74648 records a Unknown severity vulnerability in staging: rtl8723bs: validate monitor transmit frame lengths. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <f03398d835f5249c49546f0eb0d0df6792b95d5f || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <a3ac6d849de5f7abe14761d741bbb843ac793454 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <7edd3adb0c80d70b4237640275c559610f438476 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <c5e5d78743992e235b76d2ebe5a403d60315aa8a || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <7b0f62d2986a28e5e4188366bc2f4e2868b14790 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <8b3e4ed9c35d3d3b64fcc23f4a1f22b37c1865b1 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <bd88f6289b7e483216a9c1df15a0460ef9b02cb6 || >=554c0a3abf216c991c5ebddcdb2c08689ecd290b <6829665d050983907b560173e49dcc6c11cb2730 | f03398d835f5249c49546f0eb0d0df6792b95d5f, a3ac6d849de5f7abe14761d741bbb843ac793454, 7edd3adb0c80d70b4237640275c559610f438476, c5e5d78743992e235b76d2ebe5a403d60315aa8a, 7b0f62d2986a28e5e4188366bc2f4e2868b14790, 8b3e4ed9c35d3d3b64fcc23f4a1f22b37c1865b1, bd88f6289b7e483216a9c1df15a0460ef9b02cb6, 6829665d050983907b560173e49dcc6c11cb2730 |
| Linux/Linuxgeneric | 4.12 | Not reported |
Published upstream
Aug 22, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 22, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 22, 2026
In the Linux kernel, the following vulnerability has been resolved: staging: rtl8723bs: validate monitor transmit frame lengths rtw_cfg80211_monitor_if_xmit_entry() removes the radiotap header and then reads the 802.11 frame control field without checking that a base 802.11 header remains. The data path also pulls the calculated 802.11, QoS and SNAP header span before confirming that the skb contains it. A truncated frame can therefore cause out-of-bounds reads or leave insufficient data for the Ethernet address writes. Reject frames that do not contain the base 802.11 header and data frames that do not contain their complete calculated header span.
Quoted source text, attributed separately from HOL analysis.