Answer in brief
CVE-2026-68126 records a Unknown severity vulnerability in mac802154: hold an interface reference across the scan worker. 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 | >=57588c71177f0bfc08509c2c3a9bfe32850c0786 <bd7110f0caa32426140ff302a209c53294ef2cfd || >=57588c71177f0bfc08509c2c3a9bfe32850c0786 <dd4754194a706163294b6141460101b99082c8c7 || >=57588c71177f0bfc08509c2c3a9bfe32850c0786 <59c1d5463b7bc5a2cdaae27108d1dfd67edc7d1b || >=57588c71177f0bfc08509c2c3a9bfe32850c0786 <5f303f622f6bb8907c405e5123a0ab0f70fb0065 || >=57588c71177f0bfc08509c2c3a9bfe32850c0786 <234e5e898b713bc0b3a631b6f002897f43d046c8 | bd7110f0caa32426140ff302a209c53294ef2cfd, dd4754194a706163294b6141460101b99082c8c7, 59c1d5463b7bc5a2cdaae27108d1dfd67edc7d1b, 5f303f622f6bb8907c405e5123a0ab0f70fb0065, 234e5e898b713bc0b3a631b6f002897f43d046c8 |
| Linux/Linuxgeneric | 6.3 | Not reported |
Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 10, 2026
In the Linux kernel, the following vulnerability has been resolved: mac802154: hold an interface reference across the scan worker mac802154_scan_worker() captures the scanning sub-interface under RCU and then keeps dereferencing sdata->dev after rcu_read_unlock() and outside the rtnl -- in the failure traces, in mac802154_transmit_beacon_req() (skb->dev = sdata->dev), and in the end_scan cleanup. Nothing keeps that netdev alive across the worker iteration. A concurrent DEL_INTERFACE or PHY removal can unregister the interface once the worker drops the rtnl between its two drv_set_channel() sections. unregister_netdevice() frees the netdev asynchronously from netdev_run_todo() with the rtnl already dropped, so neither holding the rtnl nor the per-PHY IEEE802154_IS_SCANNING flag prevents a stale worker iteration from dereferencing the freed netdev -- a KASAN slab-use-after-free, reachable by racing TRIGGER_SCAN against DEL_INTERFACE (both CAP_NET_ADMIN). Pin the netdev with netdev_hold() while the RCU read lock is still held, and release it at every worker exit.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-68126 records a Unknown severity vulnerability in mac802154: hold an interface reference across the scan worker. 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 | >=57588c71177f0bfc08509c2c3a9bfe32850c0786 <bd7110f0caa32426140ff302a209c53294ef2cfd || >=57588c71177f0bfc08509c2c3a9bfe32850c0786 <dd4754194a706163294b6141460101b99082c8c7 || >=57588c71177f0bfc08509c2c3a9bfe32850c0786 <59c1d5463b7bc5a2cdaae27108d1dfd67edc7d1b || >=57588c71177f0bfc08509c2c3a9bfe32850c0786 <5f303f622f6bb8907c405e5123a0ab0f70fb0065 || >=57588c71177f0bfc08509c2c3a9bfe32850c0786 <234e5e898b713bc0b3a631b6f002897f43d046c8 | bd7110f0caa32426140ff302a209c53294ef2cfd, dd4754194a706163294b6141460101b99082c8c7, 59c1d5463b7bc5a2cdaae27108d1dfd67edc7d1b, 5f303f622f6bb8907c405e5123a0ab0f70fb0065, 234e5e898b713bc0b3a631b6f002897f43d046c8 |
| Linux/Linuxgeneric | 6.3 | Not reported |
Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 10, 2026
In the Linux kernel, the following vulnerability has been resolved: mac802154: hold an interface reference across the scan worker mac802154_scan_worker() captures the scanning sub-interface under RCU and then keeps dereferencing sdata->dev after rcu_read_unlock() and outside the rtnl -- in the failure traces, in mac802154_transmit_beacon_req() (skb->dev = sdata->dev), and in the end_scan cleanup. Nothing keeps that netdev alive across the worker iteration. A concurrent DEL_INTERFACE or PHY removal can unregister the interface once the worker drops the rtnl between its two drv_set_channel() sections. unregister_netdevice() frees the netdev asynchronously from netdev_run_todo() with the rtnl already dropped, so neither holding the rtnl nor the per-PHY IEEE802154_IS_SCANNING flag prevents a stale worker iteration from dereferencing the freed netdev -- a KASAN slab-use-after-free, reachable by racing TRIGGER_SCAN against DEL_INTERFACE (both CAP_NET_ADMIN). Pin the netdev with netdev_hold() while the RCU read lock is still held, and release it at every worker exit.
Quoted source text, attributed separately from HOL analysis.