{"cve":"CVE-2026-68362","nvd":{"published":"2026-08-10T13:20:28.750","modified":"2026-08-19T17:20:45.827","status":"Received","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: ath11k: fix NULL pointer dereference in ath11k_hal_srng_access_begin\n\nIn ATH11K_QMI_EVENT_FW_READY, ATH11K_FLAG_REGISTERED is set\nunconditionally even when ath11k_core_qmi_firmware_ready() fails.\nThis leaves the driver in an inconsistent state where\ninitialization is considered complete although the firmware ready\nhandling did not finish successfully. During the subsequent SSR,\nthe driver enters the restart path based on this incorrect state\nand dereferences uninitialized srng members, resulting in a NULL\npointer dereference.\n\nCall trace:\n  ath11k_hal_srng_access_begin+0xc/0x60 [ath11k] (P)\n  ath11k_ce_cleanup_pipes+0x17c/0x180 [ath11k]\n  ath11k_core_restart+0x40/0x168 [ath11k]\n\nFix this by:\n- skipping firmware_ready if ATH11K_FLAG_REGISTERED is already set\n- setting ATH11K_FLAG_REGISTERED only when firmware_ready succeeds\n- setting ATH11K_FLAG_QMI_FAIL and aborting the FW_READY handling\non error\n\nTested-on: WCN6750 hw1.0 AHB WLAN.MSL.2.0.c2-00204-QCAMSLSWPLZ-1","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/4abb4e284d8897176e91d7a3168ee29ed876bb41","https://git.kernel.org/stable/c/66bf998b18334ca97321433e4ab783b6ff267e9d","https://git.kernel.org/stable/c/d6bba659ac30d862ee7bab92862cd6e514f07521","https://git.kernel.org/stable/c/e517e207300edcf7f3a8f6c45f9155c0e419ffb9","https://git.kernel.org/stable/c/e5394605f9a985cc3a8263e610ba84b33cbe7b0c"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:47:54.990491175+00:00"},"epss":{"cve":"CVE-2026-68362","score":0.00173,"percentile":0.06652,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}