Answer in brief
CVE-2026-68198 records a High severity (CVSS 8.8) vulnerability in wifi: ath6kl: fix use-after-free in aggr_reset_state(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), 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.
CVSS is 8.8. 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), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=bdcd81707973cf8aa9305337166f8ee842a050d4 <64af6534a085f49d6ed33338a19ab9cf0d0523c9 || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <b5d618fd61b9069b4c0a6b487022dd3117ad5acc || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <18965470d41e69d3fc10eb62afae29d10f4cdfd1 || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <a3313111b5d9046af60b370c93eec105b27380c1 || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <ba7debb4dd6427386862220e8335a53a4bfc235d | 64af6534a085f49d6ed33338a19ab9cf0d0523c9, b5d618fd61b9069b4c0a6b487022dd3117ad5acc, 18965470d41e69d3fc10eb62afae29d10f4cdfd1, a3313111b5d9046af60b370c93eec105b27380c1, ba7debb4dd6427386862220e8335a53a4bfc235d |
| Linux/Linuxgeneric | 3.2 | Not reported |
| Linux/Linuxgeneric | >=bdcd81707973cf8aa9305337166f8ee842a050d4 <a1bac650b2d6b1baab1f3e78e2e007a6e2948dde || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <2132a6db05846dd2318857d00e0c1291f9e41b29 || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <17ff29cd8dbc977c97788a5f7c011ec807b58242 || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <64af6534a085f49d6ed33338a19ab9cf0d0523c9 || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <b5d618fd61b9069b4c0a6b487022dd3117ad5acc || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <18965470d41e69d3fc10eb62afae29d10f4cdfd1 || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <a3313111b5d9046af60b370c93eec105b27380c1 || >=bdcd81707973cf8aa9305337166f8ee842a050d4 <ba7debb4dd6427386862220e8335a53a4bfc235d | a1bac650b2d6b1baab1f3e78e2e007a6e2948dde, 2132a6db05846dd2318857d00e0c1291f9e41b29, 17ff29cd8dbc977c97788a5f7c011ec807b58242, 64af6534a085f49d6ed33338a19ab9cf0d0523c9, b5d618fd61b9069b4c0a6b487022dd3117ad5acc, 18965470d41e69d3fc10eb62afae29d10f4cdfd1, a3313111b5d9046af60b370c93eec105b27380c1, ba7debb4dd6427386862220e8335a53a4bfc235d |
Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 23, 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: wifi: ath6kl: fix use-after-free in aggr_reset_state() The aggr_reset_state() function uses timer_delete() (non-synchronous) for the aggregation timer before proceeding to delete TID state and before the structure is freed by callers like aggr_module_destroy(). If the timer callback (aggr_timeout) is executing when aggr_reset_state() is called, the callback will continue to access aggr_conn fields like rx_tid[] and stat[] which may be freed immediately after by kfree(aggr_info->aggr_conn) in aggr_module_destroy(). Additionally, the timer callback can re-arm itself via mod_timer() while aggr_reset_state() is running, creating a more complex race condition. Use timer_delete_sync() instead to ensure any running timer callback has completed before returning.
Quoted source text, attributed separately from HOL analysis.