{"api_version":"1","generated_at":"2026-08-13T22:04:43+00:00","cve":"CVE-2026-68362","urls":{"html":"https://cve.report/CVE-2026-68362","api":"https://cve.report/api/cve/CVE-2026-68362.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-68362","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-68362"},"summary":{"title":"wifi: ath11k: fix NULL pointer dereference in ath11k_hal_srng_access_begin","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","state":"PUBLISHED","assigner":"Linux","published_at":"2026-08-10 13:20:28","updated_at":"2026-08-10 13:20:28"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/e517e207300edcf7f3a8f6c45f9155c0e419ffb9","name":"https://git.kernel.org/stable/c/e517e207300edcf7f3a8f6c45f9155c0e419ffb9","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e8d85672dd7e2523f774caafba8f858384e18df7","name":"https://git.kernel.org/stable/c/e8d85672dd7e2523f774caafba8f858384e18df7","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/e5394605f9a985cc3a8263e610ba84b33cbe7b0c","name":"https://git.kernel.org/stable/c/e5394605f9a985cc3a8263e610ba84b33cbe7b0c","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/d6bba659ac30d862ee7bab92862cd6e514f07521","name":"https://git.kernel.org/stable/c/d6bba659ac30d862ee7bab92862cd6e514f07521","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/4abb4e284d8897176e91d7a3168ee29ed876bb41","name":"https://git.kernel.org/stable/c/4abb4e284d8897176e91d7a3168ee29ed876bb41","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-68362","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68362","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 e517e207300edcf7f3a8f6c45f9155c0e419ffb9 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 d6bba659ac30d862ee7bab92862cd6e514f07521 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 e5394605f9a985cc3a8263e610ba84b33cbe7b0c git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 4abb4e284d8897176e91d7a3168ee29ed876bb41 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6fe62a8cec51c756159c71be35a16b2cc8cbd4c0 e8d85672dd7e2523f774caafba8f858384e18df7 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.1","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.1 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.6.148 6.6.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.101 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.42 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.1.6 7.1.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2-rc5 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/net/wireless/ath/ath11k/qmi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"e517e207300edcf7f3a8f6c45f9155c0e419ffb9","status":"affected","version":"6fe62a8cec51c756159c71be35a16b2cc8cbd4c0","versionType":"git"},{"lessThan":"d6bba659ac30d862ee7bab92862cd6e514f07521","status":"affected","version":"6fe62a8cec51c756159c71be35a16b2cc8cbd4c0","versionType":"git"},{"lessThan":"e5394605f9a985cc3a8263e610ba84b33cbe7b0c","status":"affected","version":"6fe62a8cec51c756159c71be35a16b2cc8cbd4c0","versionType":"git"},{"lessThan":"4abb4e284d8897176e91d7a3168ee29ed876bb41","status":"affected","version":"6fe62a8cec51c756159c71be35a16b2cc8cbd4c0","versionType":"git"},{"lessThan":"e8d85672dd7e2523f774caafba8f858384e18df7","status":"affected","version":"6fe62a8cec51c756159c71be35a16b2cc8cbd4c0","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/net/wireless/ath/ath11k/qmi.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.1"},{"lessThan":"6.1","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.6.*","status":"unaffected","version":"6.6.148","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.101","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.42","versionType":"semver"},{"lessThanOrEqual":"7.1.*","status":"unaffected","version":"7.1.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.2-rc5","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.6.148","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.101","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.42","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.1.6","versionStartIncluding":"6.1","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2-rc5","versionStartIncluding":"6.1","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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"}],"providerMetadata":{"dateUpdated":"2026-08-10T12:03:39.363Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/e517e207300edcf7f3a8f6c45f9155c0e419ffb9"},{"url":"https://git.kernel.org/stable/c/d6bba659ac30d862ee7bab92862cd6e514f07521"},{"url":"https://git.kernel.org/stable/c/e5394605f9a985cc3a8263e610ba84b33cbe7b0c"},{"url":"https://git.kernel.org/stable/c/4abb4e284d8897176e91d7a3168ee29ed876bb41"},{"url":"https://git.kernel.org/stable/c/e8d85672dd7e2523f774caafba8f858384e18df7"}],"title":"wifi: ath11k: fix NULL pointer dereference in ath11k_hal_srng_access_begin","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-68362","datePublished":"2026-08-10T12:03:39.363Z","dateReserved":"2026-07-30T09:28:09.385Z","dateUpdated":"2026-08-10T12:03:39.363Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-08-10 13:20:28","lastModifiedDate":"2026-08-10 13:20:28","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"68362","Ordinal":"1","Title":"wifi: ath11k: fix NULL pointer dereference in ath11k_hal_srng_ac","CVE":"CVE-2026-68362","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"68362","Ordinal":"1","NoteData":"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","Type":"Description","Title":"wifi: ath11k: fix NULL pointer dereference in ath11k_hal_srng_ac"}]}}}