CVE-2026-68307

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-68307", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2026-07-30T09:28:09.381Z", "datePublished": "2026-08-10T12:02:41.904Z", "dateUpdated": "2026-08-17T05:02:59.698Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-17T05:02:59.698Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: fix crash in reset link replay\n\nDuring reset recovery, mt7925_vif_connect_iter() replays firmware state\nfor links tracked in mvif->valid_links. After MLO link changes or MCU\ntimeout recovery, the driver bitmap can temporarily contain a link whose\nmac80211 bss_conf has already gone away.\n\nThis can pass a NULL bss_conf to mt76_connac_mcu_uni_add_dev(), matching\nthe crash where x1, the second argument, is NULL:\n\npc : mt76_connac_mcu_uni_add_dev+0x8c/0x1f8 [mt76_connac_lib]\nlr : mt7925_vif_connect_iter+0x9c/0x168 [mt7925_common]\nx2 : ffffff80a77f6018 x1 : 0000000000000000 x0 : ffffff8099402080\nCall trace:\nmt76_connac_mcu_uni_add_dev+0x8c/0x1f8 [mt76_connac_lib]\nmt7925_vif_connect_iter+0x9c/0x168 [mt7925_common]\nmt7925_mac_reset_work+0x264/0x2f8 [mt7925_common]\n\nSkip missing bss_conf entries before replaying the link. Non-MLO AP/STA\nreset replay is unchanged because the helper still returns &vif->bss_conf\nfor the legacy link."}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7925/mac.c"], "versions": [{"version": "14061994184df6bb89cba31657ee1db24480e92a", "lessThan": "d9326796a378f80be5f9fd60983c62fdccdf2f0b", "status": "affected", "versionType": "git"}, {"version": "14061994184df6bb89cba31657ee1db24480e92a", "lessThan": "95b0cf02731c74e073ef8937f5526bd4442a0326", "status": "affected", "versionType": "git"}, {"version": "14061994184df6bb89cba31657ee1db24480e92a", "lessThan": "89d03bda560d635f66d495f37b46a187fd4edfdf", "status": "affected", "versionType": "git"}, {"version": "14061994184df6bb89cba31657ee1db24480e92a", "lessThan": "bd8b2ec838184236c3fcbf738a926328836adf12", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7925/mac.c"], "versions": [{"version": "6.11", "status": "affected"}, {"version": "0", "lessThan": "6.11", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.101", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.18.42", "lessThanOrEqual": "6.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.1.6", "lessThanOrEqual": "7.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "7.2", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix"}]}], "cpeApplicability": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.12.101"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "6.18.42"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.1.6"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.11", "versionEndExcluding": "7.2"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d9326796a378f80be5f9fd60983c62fdccdf2f0b"}, {"url": "https://git.kernel.org/stable/c/95b0cf02731c74e073ef8937f5526bd4442a0326"}, {"url": "https://git.kernel.org/stable/c/89d03bda560d635f66d495f37b46a187fd4edfdf"}, {"url": "https://git.kernel.org/stable/c/bd8b2ec838184236c3fcbf738a926328836adf12"}], "title": "wifi: mt76: mt7925: fix crash in reset link replay", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7925/mac.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"lessThan": "d9326796a378f80be5f9fd60983c62fdccdf2f0b", "status": "affected", "version": "14061994184df6bb89cba31657ee1db24480e92a", "versionType": "git"}, {"lessThan": "95b0cf02731c74e073ef8937f5526bd4442a0326", "status": "affected", "version": "14061994184df6bb89cba31657ee1db24480e92a", "versionType": "git"}, {"lessThan": "89d03bda560d635f66d495f37b46a187fd4edfdf", "status": "affected", "version": "14061994184df6bb89cba31657ee1db24480e92a", "versionType": "git"}, {"lessThan": "bd8b2ec838184236c3fcbf738a926328836adf12", "status": "affected", "version": "14061994184df6bb89cba31657ee1db24480e92a", "versionType": "git"}]}, {"defaultStatus": "affected", "product": "Linux", "programFiles": ["drivers/net/wireless/mediatek/mt76/mt7925/mac.c"], "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "versions": [{"status": "affected", "version": "6.11"}, {"lessThan": "6.11", "status": "unaffected", "version": "0", "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", "versionType": "original_commit_for_fix"}]}], "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: mt76: mt7925: fix crash in reset link replay\n\nDuring reset recovery, mt7925_vif_connect_iter() replays firmware state\nfor links tracked in mvif->valid_links. After MLO link changes or MCU\ntimeout recovery, the driver bitmap can temporarily contain a link whose\nmac80211 bss_conf has already gone away.\n\nThis can pass a NULL bss_conf to mt76_connac_mcu_uni_add_dev(), matching\nthe crash where x1, the second argument, is NULL:\n\npc : mt76_connac_mcu_uni_add_dev+0x8c/0x1f8 [mt76_connac_lib]\nlr : mt7925_vif_connect_iter+0x9c/0x168 [mt7925_common]\nx2 : ffffff80a77f6018 x1 : 0000000000000000 x0 : ffffff8099402080\nCall trace:\nmt76_connac_mcu_uni_add_dev+0x8c/0x1f8 [mt76_connac_lib]\nmt7925_vif_connect_iter+0x9c/0x168 [mt7925_common]\nmt7925_mac_reset_work+0x264/0x2f8 [mt7925_common]\n\nSkip missing bss_conf entries before replaying the link. Non-MLO AP/STA\nreset replay is unchanged because the helper still returns &vif->bss_conf\nfor the legacy link."}], "id": "CVE-2026-68307", "lastModified": "2026-08-17T05:18:33.590", "metrics": {}, "published": "2026-08-10T13:20:20.430", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/89d03bda560d635f66d495f37b46a187fd4edfdf"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/95b0cf02731c74e073ef8937f5526bd4442a0326"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/bd8b2ec838184236c3fcbf738a926328836adf12"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/d9326796a378f80be5f9fd60983c62fdccdf2f0b"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"bugzilla": {"description": "kernel: Linux Kernel: Wi-Fi driver vulnerability leads to system crash", "id": "2513342", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513342"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.8", "cvss3_scoring_vector": "CVSS:3.1/AV:A/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "cwe": "CWE-476", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nwifi: mt76: mt7925: fix crash in reset link replay\nDuring reset recovery, mt7925_vif_connect_iter() replays firmware state\nfor links tracked in mvif->valid_links. After MLO link changes or MCU\ntimeout recovery, the driver bitmap can temporarily contain a link whose\nmac80211 bss_conf has already gone away.\nThis can pass a NULL bss_conf to mt76_connac_mcu_uni_add_dev(), matching\nthe crash where x1, the second argument, is NULL:\npc : mt76_connac_mcu_uni_add_dev+0x8c/0x1f8 [mt76_connac_lib]\nlr : mt7925_vif_connect_iter+0x9c/0x168 [mt7925_common]\nx2 : ffffff80a77f6018 x1 : 0000000000000000 x0 : ffffff8099402080\nCall trace:\nmt76_connac_mcu_uni_add_dev+0x8c/0x1f8 [mt76_connac_lib]\nmt7925_vif_connect_iter+0x9c/0x168 [mt7925_common]\nmt7925_mac_reset_work+0x264/0x2f8 [mt7925_common]\nSkip missing bss_conf entries before replaying the link. Non-MLO AP/STA\nreset replay is unchanged because the helper still returns &vif->bss_conf\nfor the legacy link.", "A flaw was found in the MediaTek mt7925 Wi-Fi driver within the Linux kernel. During a reset recovery process, the driver can attempt to access a network configuration that no longer exists. This can lead to a null pointer dereference, causing the system to crash and resulting in a Denial of Service (DoS)."], "name": "CVE-2026-68307", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:enterprise_linux_nvidia:", "fix_state": "Affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux for NVIDIA 26"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Not affected", "package_name": "rhcos", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-08-10T12:02:41Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-68307\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-68307\nhttps://git.kernel.org/stable/c/89d03bda560d635f66d495f37b46a187fd4edfdf\nhttps://git.kernel.org/stable/c/95b0cf02731c74e073ef8937f5526bd4442a0326\nhttps://git.kernel.org/stable/c/bd8b2ec838184236c3fcbf738a926328836adf12\nhttps://git.kernel.org/stable/c/d9326796a378f80be5f9fd60983c62fdccdf2f0b"], "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[14061994184df6bb89cba31657ee1db24480e92a,d9326796a378f80be5f9fd60983c62fdccdf2f0b)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[14061994184df6bb89cba31657ee1db24480e92a,95b0cf02731c74e073ef8937f5526bd4442a0326)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[14061994184df6bb89cba31657ee1db24480e92a,89d03bda560d635f66d495f37b46a187fd4edfdf)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "[14061994184df6bb89cba31657ee1db24480e92a,bd8b2ec838184236c3fcbf738a926328836adf12)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}, {"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "6.11"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[0,6.11)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.12.101,6.13.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[6.18.42,6.19.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.1.6,7.2.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "[7.2-rc5,*)"}}], "enrichment": {"confidence": 99.0, "confidence_source": "inferred", "scores": [{"score": 99.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Linux", "source": "cna", "vendor": "Linux"}, "product": "linux_kernel", "vendor": "linux"}], "created": "2026-08-10T15:15:04.692516+00:00", "updated": "2026-08-13T05:00:10.837532+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}