198 lines
8.9 KiB
JSON
198 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-2026-31394",
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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": "2026-03-09T15:48:24.085Z",
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"datePublished": "2026-04-03T15:15:58.806Z",
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"dateUpdated": "2026-11-05T21:33:48.989Z"
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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": "2026-05-11T22:07:51.015Z"
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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\nmac80211: fix crash in ieee80211_chan_bw_change for AP_VLAN stations\n\nieee80211_chan_bw_change() iterates all stations and accesses\nlink->reserved.oper via sta->sdata->link[link_id]. For stations on\nAP_VLAN interfaces (e.g. 4addr WDS clients), sta->sdata points to\nthe VLAN sdata, whose link never participates in chanctx reservations.\nThis leaves link->reserved.oper zero-initialized with chan == NULL,\ncausing a NULL pointer dereference in __ieee80211_sta_cap_rx_bw()\nwhen accessing chandef->chan->band during CSA.\n\nResolve the VLAN sdata to its parent AP sdata using get_bss_sdata()\nbefore accessing link data.\n\n[also change sta->sdata in ARRAY_SIZE even if it doesn't matter]"
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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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"net/mac80211/chan.c"
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],
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"versions": [
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{
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"version": "b27512368591fc959768df1f7dacf2a96b1bd036",
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"lessThan": "65c25b588994dd422fea73fa322de56e1ae4a33b",
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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": "b27512368591fc959768df1f7dacf2a96b1bd036",
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"lessThan": "5a86d4e920d9783a198e39cf53f0e410fba5fbd6",
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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": "b27512368591fc959768df1f7dacf2a96b1bd036",
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"lessThan": "3c6629e859a2211a1fbb4868f915413f80001ca5",
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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": "b27512368591fc959768df1f7dacf2a96b1bd036",
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"lessThan": "672e5229e1ecfc2a3509b53adcb914d8b024a853",
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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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"net/mac80211/chan.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": "6.12.78",
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"lessThanOrEqual": "6.12.*",
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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": "6.18.20",
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"lessThanOrEqual": "6.18.*",
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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": "6.19.10",
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"lessThanOrEqual": "6.19.*",
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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": "7.0",
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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": "6.12.78"
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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": "6.18.20"
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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": "6.19.10"
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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": "7.0"
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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/65c25b588994dd422fea73fa322de56e1ae4a33b"
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},
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{
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"url": "https://git.kernel.org/stable/c/5a86d4e920d9783a198e39cf53f0e410fba5fbd6"
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},
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{
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"url": "https://git.kernel.org/stable/c/3c6629e859a2211a1fbb4868f915413f80001ca5"
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},
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{
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"url": "https://git.kernel.org/stable/c/672e5229e1ecfc2a3509b53adcb914d8b024a853"
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}
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],
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"title": "mac80211: fix crash in ieee80211_chan_bw_change for AP_VLAN stations",
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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-2026-31394",
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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": "2026-11-05T21:31:59.618538Z"
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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": "2026-11-05T21:33:48.989Z"
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}
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}
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]
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}
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} |