172 lines
8.9 KiB
JSON
172 lines
8.9 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2024-49857",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2024-10-21T12:17:06.016Z",
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"datePublished": "2024-10-21T12:18:48.784Z",
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"dateUpdated": "2026-08-05T11:40:06.720Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-08-05T11:40:06.720Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"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."
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}
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],
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"metrics": [
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{
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"cvssV3_1": {
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"version": "3.1",
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"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H",
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"baseScore": 7.1,
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"baseSeverity": "HIGH"
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},
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"scenarios": [
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{
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"lang": "en",
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"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."
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}
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]
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c"
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],
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"versions": [
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{
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"version": "626be4bf99f6250cd66da5d311a72ad7455c5a64",
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"lessThan": "b3322a6d6aa9bc17b395c4b38d3b97578887aa8a",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "626be4bf99f6250cd66da5d311a72ad7455c5a64",
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"lessThan": "a949075d4bbf1ca83ccdeaa6ef4ac2ce7526c5f4",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"drivers/net/wireless/intel/iwlwifi/mvm/ftm-initiator.c"
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],
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"versions": [
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{
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"version": "6.11",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.11",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.11.2",
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"lessThanOrEqual": "6.11.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.11",
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"versionEndExcluding": "6.11.2"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.11",
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"versionEndExcluding": "6.12"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/b3322a6d6aa9bc17b395c4b38d3b97578887aa8a"
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},
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{
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"url": "https://git.kernel.org/stable/c/a949075d4bbf1ca83ccdeaa6ef4ac2ce7526c5f4"
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}
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],
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"title": "wifi: iwlwifi: mvm: set the cipher for secured NDP ranging",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2024-49857",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2024-10-21T12:56:09.512718Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2024-10-21T13:04:10.927Z"
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}
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}
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]
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}
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} |