{
    "dataType": "CVE_RECORD",
    "dataVersion": "5.2",
    "cveMetadata": {
        "cveId": "CVE-2024-49857",
        "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
        "state": "PUBLISHED",
        "assignerShortName": "Linux",
        "dateReserved": "2024-10-21T12:17:06.016Z",
        "datePublished": "2024-10-21T12:18:48.784Z",
        "dateUpdated": "2026-08-05T11:40:06.720Z"
    },
    "containers": {
        "cna": {
            "providerMetadata": {
                "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
                "shortName": "Linux",
                "dateUpdated": "2026-08-05T11:40:06.720Z"
            },
            "descriptions": [
                {
                    "lang": "en",
                    "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: iwlwifi: mvm: set the cipher for secured NDP ranging\n\nThe cipher pointer is not set, but is derefereced trying to set its\ncontent, which leads to a NULL pointer dereference.\nFix it by pointing to the cipher parameter before dereferencing."
                }
            ],
            "metrics": [
                {
                    "cvssV3_1": {
                        "version": "3.1",
                        "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
                        "baseScore": 7.1,
                        "baseSeverity": "HIGH"
                    },
                    "scenarios": [
                        {
                            "lang": "en",
                            "value": "AV:L - The vulnerable code is reached only from the local nl80211/netlink command NL80211_CMD_PEER_MEASUREMENT_START issued by userspace on the host; no remote or over-the-air frame drives the faulting code, which executes while building the firmware range-request command before any wireless exchange occurs.\nAC:L - Once a PASN entry exists for the associated AP's BSSID, the attacker deterministically triggers the deref by issuing a pmsr FTM request with trigger_based/non_trigger_based set, both fields taken verbatim from user-supplied netlink attributes; there is no race and no condition outside the attacker's control.\nPR:L - The nl80211 handler is gated by GENL_UNS_ADMIN_PERM, i.e. CAP_NET_ADMIN relative to the user namespace owning the wiphy's netns, which is obtainable by an unprivileged user in a userns-owned netns holding the wireless device (and is held by ordinary wireless-management daemons rather than requiring init-namespace root).\nUI:N - The attacker performs every step — association, PASN entry setup, and the measurement request — with no action required from any other user or victim.\nS:U - The uninitialized-pointer write happens in kernel context within the same security authority as the caller; no VM, IOMMU, or sandbox boundary is crossed.\nC:N - The defect is purely a write through an uninitialized pointer of a small fixed cipher enum value; it yields no read primitive and returns no kernel memory to the attacker.\nI:H - On kernels built without stack auto-initialization, `target.cipher` holds a stale kernel pointer left by the immediately preceding `iwl_mvm_ftm_put_target()` frame, so `*target->cipher = ...` silently corrupts a live kernel object at a semi-deterministic address — memory corruption that can be leveraged against kernel data structures.\nA:H - In the common CONFIG_INIT_STACK_ALL_ZERO configuration the pointer is NULL, so the write faults immediately and oopses the kernel; in other configurations the wild write corrupts kernel state and crashes the system."
                        }
                    ]
                }
            ],
            "affected": [
                {
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c"
                    ],
                    "versions": [
                        {
                            "version": "626be4bf99f6250cd66da5d311a72ad7455c5a64",
                            "lessThan": "b3322a6d6aa9bc17b395c4b38d3b97578887aa8a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "626be4bf99f6250cd66da5d311a72ad7455c5a64",
                            "lessThan": "a949075d4bbf1ca83ccdeaa6ef4ac2ce7526c5f4",
                            "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/intel/iwlwifi/mvm/ftm-initiator.c"
                    ],
                    "versions": [
                        {
                            "version": "6.11",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.11",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.11.2",
                            "lessThanOrEqual": "6.11.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12",
                            "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": "6.11.2"
                                },
                                {
                                    "vulnerable": true,
                                    "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                                    "versionStartIncluding": "6.11",
                                    "versionEndExcluding": "6.12"
                                }
                            ]
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                    ]
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            ],
            "references": [
                {
                    "url": "https://git.kernel.org/stable/c/b3322a6d6aa9bc17b395c4b38d3b97578887aa8a"
                },
                {
                    "url": "https://git.kernel.org/stable/c/a949075d4bbf1ca83ccdeaa6ef4ac2ce7526c5f4"
                }
            ],
            "title": "wifi: iwlwifi: mvm: set the cipher for secured NDP ranging",
            "x_generator": {
                "engine": "bippy-1.2.0"
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        },
        "adp": [
            {
                "metrics": [
                    {
                        "other": {
                            "type": "ssvc",
                            "content": {
                                "id": "CVE-2024-49857",
                                "role": "CISA Coordinator",
                                "options": [
                                    {
                                        "Exploitation": "none"
                                    },
                                    {
                                        "Automatable": "no"
                                    },
                                    {
                                        "Technical Impact": "partial"
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                                "version": "2.0.3",
                                "timestamp": "2024-10-21T12:56:09.512718Z"
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                "title": "CISA ADP Vulnrichment",
                "providerMetadata": {
                    "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
                    "shortName": "CISA-ADP",
                    "dateUpdated": "2024-10-21T13:04:10.927Z"
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}