CVE-2026-68362wifi: ath11k: fix NULL pointer dereference in ath11k_hal_srng_access_begin
- —Not scoredno CVSS score yet
- 0.17%Exploitation in 30 daysEPSS · top 93% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: ath11k: fix NULL pointer dereference in ath11k_hal_srng_access_begin In ATH11K_QMI_EVENT_FW_READY, ATH11K_FLAG_REGISTERED is set unconditionally even when ath11k_core_qmi_firmware_ready() fails. This leaves the driver in an inconsistent state where initialization is considered complete although the firmware ready handling did not finish successfully. During the subsequent SSR, the driver enters the restart path based on this incorrect state and dereferences uninitialized srng members, resulting in a NULL pointer dereference. Call trace: ath11k_hal_srng_access_begin+0xc/0x60 [ath11k] (P) ath11k_ce_cleanup_pipes+0x17c/0x180 [ath11k] ath11k_core_restart+0x40/0x168 [ath11k] Fix this by: - skipping firmware_ready if ATH11K_FLAG_REGISTERED is already set - setting ATH11K_FLAG_REGISTERED only when firmware_ready succeeds - setting ATH11K_FLAG_QMI_FAIL and aborting the FW_READY handling on error Tested-on: WCN6750 hw1.0 AHB WLAN.MSL.2.0.c2-00204-QCAMSLSWPLZ-1
Timeline
ID reserved
By Linux
- 11 days later
· 11 days later
Published
- 9 days later
· 9 days later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
No CVSS score yet: neither the CNA, CISA nor NVD has scored this CVE. NVD status: Received.
- EPSS (exploitation in 30 days)
- 0.17% · top 93% of all CVEs (15 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Not scored.
Affected products
- affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 – < 66bf998b18334ca97321433e4ab783b6ff267e9d
- affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 – < e517e207300edcf7f3a8f6c45f9155c0e419ffb9
- affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 – < d6bba659ac30d862ee7bab92862cd6e514f07521
- affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 – < e5394605f9a985cc3a8263e610ba84b33cbe7b0c
- affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 – < 4abb4e284d8897176e91d7a3168ee29ed876bb41
- affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 – < e8d85672dd7e2523f774caafba8f858384e18df7
- affected 6.1
- unaffected < 6.1
- unaffected 6.1.183 – ≤ 6.1.*
- unaffected 6.6.148 – ≤ 6.6.*
- unaffected 6.12.101 – ≤ 6.12.*
- unaffected 6.18.42 – ≤ 6.18.*
- unaffected 7.1.6 – ≤ 7.1.*
- unaffected 7.2 – ≤ *
References
References6
- https://git.kernel.org/stable/c/66bf998b18334ca97321433e4ab783b6ff267e9d (opens in a new tab)
- https://git.kernel.org/stable/c/e517e207300edcf7f3a8f6c45f9155c0e419ffb9 (opens in a new tab)
- https://git.kernel.org/stable/c/d6bba659ac30d862ee7bab92862cd6e514f07521 (opens in a new tab)
- https://git.kernel.org/stable/c/e5394605f9a985cc3a8263e610ba84b33cbe7b0c (opens in a new tab)
- https://git.kernel.org/stable/c/4abb4e284d8897176e91d7a3168ee29ed876bb41 (opens in a new tab)
- https://git.kernel.org/stable/c/e8d85672dd7e2523f774caafba8f858384e18df7 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2026-55463 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2026-68362)Record last updated .