CVE-2021-47540 (GCVE-0-2021-47540)
Vulnerability from cvelistv5 – Published: 2024-05-24 15:09 – Updated: 2026-05-11 13:56
VLAI
EPSS
VEX
Title
mt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode
Summary
In the Linux kernel, the following vulnerability has been resolved:
mt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode
Fix the following NULL pointer dereference in mt7915_get_phy_mode
routine adding an ibss interface to the mt7915 driver.
[ 101.137097] wlan0: Trigger new scan to find an IBSS to join
[ 102.827039] wlan0: Creating new IBSS network, BSSID 26:a4:50:1a:6e:69
[ 103.064756] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000
[ 103.073670] Mem abort info:
[ 103.076520] ESR = 0x96000005
[ 103.079614] EC = 0x25: DABT (current EL), IL = 32 bits
[ 103.084934] SET = 0, FnV = 0
[ 103.088042] EA = 0, S1PTW = 0
[ 103.091215] Data abort info:
[ 103.094104] ISV = 0, ISS = 0x00000005
[ 103.098041] CM = 0, WnR = 0
[ 103.101044] user pgtable: 4k pages, 39-bit VAs, pgdp=00000000460b1000
[ 103.107565] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000
[ 103.116590] Internal error: Oops: 96000005 [#1] SMP
[ 103.189066] CPU: 1 PID: 333 Comm: kworker/u4:3 Not tainted 5.10.75 #0
[ 103.195498] Hardware name: MediaTek MT7622 RFB1 board (DT)
[ 103.201124] Workqueue: phy0 ieee80211_iface_work [mac80211]
[ 103.206695] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--)
[ 103.212705] pc : mt7915_get_phy_mode+0x68/0x120 [mt7915e]
[ 103.218103] lr : mt7915_mcu_add_bss_info+0x11c/0x760 [mt7915e]
[ 103.223927] sp : ffffffc011cdb9e0
[ 103.227235] x29: ffffffc011cdb9e0 x28: ffffff8006563098
[ 103.232545] x27: ffffff8005f4da22 x26: ffffff800685ac40
[ 103.237855] x25: 0000000000000001 x24: 000000000000011f
[ 103.243165] x23: ffffff8005f4e260 x22: ffffff8006567918
[ 103.248475] x21: ffffff8005f4df80 x20: ffffff800685ac58
[ 103.253785] x19: ffffff8006744400 x18: 0000000000000000
[ 103.259094] x17: 0000000000000000 x16: 0000000000000001
[ 103.264403] x15: 000899c3a2d9d2e4 x14: 000899bdc3c3a1c8
[ 103.269713] x13: 0000000000000000 x12: 0000000000000000
[ 103.275024] x11: ffffffc010e30c20 x10: 0000000000000000
[ 103.280333] x9 : 0000000000000050 x8 : ffffff8006567d88
[ 103.285642] x7 : ffffff8006563b5c x6 : ffffff8006563b44
[ 103.290952] x5 : 0000000000000002 x4 : 0000000000000001
[ 103.296262] x3 : 0000000000000001 x2 : 0000000000000001
[ 103.301572] x1 : 0000000000000000 x0 : 0000000000000011
[ 103.306882] Call trace:
[ 103.309328] mt7915_get_phy_mode+0x68/0x120 [mt7915e]
[ 103.314378] mt7915_bss_info_changed+0x198/0x200 [mt7915e]
[ 103.319941] ieee80211_bss_info_change_notify+0x128/0x290 [mac80211]
[ 103.326360] __ieee80211_sta_join_ibss+0x308/0x6c4 [mac80211]
[ 103.332171] ieee80211_sta_create_ibss+0x8c/0x10c [mac80211]
[ 103.337895] ieee80211_ibss_work+0x3dc/0x614 [mac80211]
[ 103.343185] ieee80211_iface_work+0x388/0x3f0 [mac80211]
[ 103.348495] process_one_work+0x288/0x690
[ 103.352499] worker_thread+0x70/0x464
[ 103.356157] kthread+0x144/0x150
[ 103.359380] ret_from_fork+0x10/0x18
[ 103.362952] Code: 394008c3 52800220 394000e4 7100007f (39400023)
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-09-10 15:35 UTC
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| Linux | Linux |
Affected:
e57b7901469fc0b021930b83a8094baaf3d81b09 , < 932b338f4e5c4cb0c2ed640da3bced1e63620198
(git)
Affected: e57b7901469fc0b021930b83a8094baaf3d81b09 , < 14b03b8cebdf18ff13c39d58501b625411314de2 (git) Affected: e57b7901469fc0b021930b83a8094baaf3d81b09 , < 6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c (git) |
guessed | |
| Linux | Linux |
Affected:
5.8
Unaffected: 0 , < 5.8 (semver) Unaffected: 5.10.84 , ≤ 5.10.* (semver) Unaffected: 5.15.7 , ≤ 5.15.* (semver) Unaffected: 5.16 , ≤ * (original_commit_for_fix) |
guessed |
{
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"negate": false,
"operator": "OR"
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"descriptions": [
{
"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode\n\nFix the following NULL pointer dereference in mt7915_get_phy_mode\nroutine adding an ibss interface to the mt7915 driver.\n\n[ 101.137097] wlan0: Trigger new scan to find an IBSS to join\n[ 102.827039] wlan0: Creating new IBSS network, BSSID 26:a4:50:1a:6e:69\n[ 103.064756] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\n[ 103.073670] Mem abort info:\n[ 103.076520] ESR = 0x96000005\n[ 103.079614] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 103.084934] SET = 0, FnV = 0\n[ 103.088042] EA = 0, S1PTW = 0\n[ 103.091215] Data abort info:\n[ 103.094104] ISV = 0, ISS = 0x00000005\n[ 103.098041] CM = 0, WnR = 0\n[ 103.101044] user pgtable: 4k pages, 39-bit VAs, pgdp=00000000460b1000\n[ 103.107565] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000\n[ 103.116590] Internal error: Oops: 96000005 [#1] SMP\n[ 103.189066] CPU: 1 PID: 333 Comm: kworker/u4:3 Not tainted 5.10.75 #0\n[ 103.195498] Hardware name: MediaTek MT7622 RFB1 board (DT)\n[ 103.201124] Workqueue: phy0 ieee80211_iface_work [mac80211]\n[ 103.206695] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--)\n[ 103.212705] pc : mt7915_get_phy_mode+0x68/0x120 [mt7915e]\n[ 103.218103] lr : mt7915_mcu_add_bss_info+0x11c/0x760 [mt7915e]\n[ 103.223927] sp : ffffffc011cdb9e0\n[ 103.227235] x29: ffffffc011cdb9e0 x28: ffffff8006563098\n[ 103.232545] x27: ffffff8005f4da22 x26: ffffff800685ac40\n[ 103.237855] x25: 0000000000000001 x24: 000000000000011f\n[ 103.243165] x23: ffffff8005f4e260 x22: ffffff8006567918\n[ 103.248475] x21: ffffff8005f4df80 x20: ffffff800685ac58\n[ 103.253785] x19: ffffff8006744400 x18: 0000000000000000\n[ 103.259094] x17: 0000000000000000 x16: 0000000000000001\n[ 103.264403] x15: 000899c3a2d9d2e4 x14: 000899bdc3c3a1c8\n[ 103.269713] x13: 0000000000000000 x12: 0000000000000000\n[ 103.275024] x11: ffffffc010e30c20 x10: 0000000000000000\n[ 103.280333] x9 : 0000000000000050 x8 : ffffff8006567d88\n[ 103.285642] x7 : ffffff8006563b5c x6 : ffffff8006563b44\n[ 103.290952] x5 : 0000000000000002 x4 : 0000000000000001\n[ 103.296262] x3 : 0000000000000001 x2 : 0000000000000001\n[ 103.301572] x1 : 0000000000000000 x0 : 0000000000000011\n[ 103.306882] Call trace:\n[ 103.309328] mt7915_get_phy_mode+0x68/0x120 [mt7915e]\n[ 103.314378] mt7915_bss_info_changed+0x198/0x200 [mt7915e]\n[ 103.319941] ieee80211_bss_info_change_notify+0x128/0x290 [mac80211]\n[ 103.326360] __ieee80211_sta_join_ibss+0x308/0x6c4 [mac80211]\n[ 103.332171] ieee80211_sta_create_ibss+0x8c/0x10c [mac80211]\n[ 103.337895] ieee80211_ibss_work+0x3dc/0x614 [mac80211]\n[ 103.343185] ieee80211_iface_work+0x388/0x3f0 [mac80211]\n[ 103.348495] process_one_work+0x288/0x690\n[ 103.352499] worker_thread+0x70/0x464\n[ 103.356157] kthread+0x144/0x150\n[ 103.359380] ret_from_fork+0x10/0x18\n[ 103.362952] Code: 394008c3 52800220 394000e4 7100007f (39400023)"
}
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"url": "https://git.kernel.org/stable/c/932b338f4e5c4cb0c2ed640da3bced1e63620198"
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},
{
"url": "https://git.kernel.org/stable/c/6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c"
}
],
"title": "mt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode",
"x_generator": {
"engine": "bippy-1.2.0"
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"cveMetadata": {
"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"assignerShortName": "Linux",
"cveId": "CVE-2021-47540",
"datePublished": "2024-05-24T15:09:47.256Z",
"dateReserved": "2024-05-24T15:02:54.828Z",
"dateUpdated": "2026-05-11T13:56:38.243Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2021-47540",
"date": "2026-09-15",
"epss": "0.00236",
"percentile": "0.14646"
},
"fkie_nvd": {
"configurations": "[{\"nodes\": [{\"operator\": \"OR\", \"negate\": false, \"cpeMatch\": [{\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.8\", \"versionEndExcluding\": \"5.10.84\", \"matchCriteriaId\": \"E9314948-D53C-419C-B785-89A3C0B287DE\"}, {\"vulnerable\": true, \"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"versionStartIncluding\": \"5.11\", \"versionEndExcluding\": \"5.15.7\", \"matchCriteriaId\": \"A696A60B-2782-4119-83DD-1EFFBC903F02\"}]}]}]",
"descriptions": "[{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode\\n\\nFix the following NULL pointer dereference in mt7915_get_phy_mode\\nroutine adding an ibss interface to the mt7915 driver.\\n\\n[ 101.137097] wlan0: Trigger new scan to find an IBSS to join\\n[ 102.827039] wlan0: Creating new IBSS network, BSSID 26:a4:50:1a:6e:69\\n[ 103.064756] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\\n[ 103.073670] Mem abort info:\\n[ 103.076520] ESR = 0x96000005\\n[ 103.079614] EC = 0x25: DABT (current EL), IL = 32 bits\\n[ 103.084934] SET = 0, FnV = 0\\n[ 103.088042] EA = 0, S1PTW = 0\\n[ 103.091215] Data abort info:\\n[ 103.094104] ISV = 0, ISS = 0x00000005\\n[ 103.098041] CM = 0, WnR = 0\\n[ 103.101044] user pgtable: 4k pages, 39-bit VAs, pgdp=00000000460b1000\\n[ 103.107565] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000\\n[ 103.116590] Internal error: Oops: 96000005 [#1] SMP\\n[ 103.189066] CPU: 1 PID: 333 Comm: kworker/u4:3 Not tainted 5.10.75 #0\\n[ 103.195498] Hardware name: MediaTek MT7622 RFB1 board (DT)\\n[ 103.201124] Workqueue: phy0 ieee80211_iface_work [mac80211]\\n[ 103.206695] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--)\\n[ 103.212705] pc : mt7915_get_phy_mode+0x68/0x120 [mt7915e]\\n[ 103.218103] lr : mt7915_mcu_add_bss_info+0x11c/0x760 [mt7915e]\\n[ 103.223927] sp : ffffffc011cdb9e0\\n[ 103.227235] x29: ffffffc011cdb9e0 x28: ffffff8006563098\\n[ 103.232545] x27: ffffff8005f4da22 x26: ffffff800685ac40\\n[ 103.237855] x25: 0000000000000001 x24: 000000000000011f\\n[ 103.243165] x23: ffffff8005f4e260 x22: ffffff8006567918\\n[ 103.248475] x21: ffffff8005f4df80 x20: ffffff800685ac58\\n[ 103.253785] x19: ffffff8006744400 x18: 0000000000000000\\n[ 103.259094] x17: 0000000000000000 x16: 0000000000000001\\n[ 103.264403] x15: 000899c3a2d9d2e4 x14: 000899bdc3c3a1c8\\n[ 103.269713] x13: 0000000000000000 x12: 0000000000000000\\n[ 103.275024] x11: ffffffc010e30c20 x10: 0000000000000000\\n[ 103.280333] x9 : 0000000000000050 x8 : ffffff8006567d88\\n[ 103.285642] x7 : ffffff8006563b5c x6 : ffffff8006563b44\\n[ 103.290952] x5 : 0000000000000002 x4 : 0000000000000001\\n[ 103.296262] x3 : 0000000000000001 x2 : 0000000000000001\\n[ 103.301572] x1 : 0000000000000000 x0 : 0000000000000011\\n[ 103.306882] Call trace:\\n[ 103.309328] mt7915_get_phy_mode+0x68/0x120 [mt7915e]\\n[ 103.314378] mt7915_bss_info_changed+0x198/0x200 [mt7915e]\\n[ 103.319941] ieee80211_bss_info_change_notify+0x128/0x290 [mac80211]\\n[ 103.326360] __ieee80211_sta_join_ibss+0x308/0x6c4 [mac80211]\\n[ 103.332171] ieee80211_sta_create_ibss+0x8c/0x10c [mac80211]\\n[ 103.337895] ieee80211_ibss_work+0x3dc/0x614 [mac80211]\\n[ 103.343185] ieee80211_iface_work+0x388/0x3f0 [mac80211]\\n[ 103.348495] process_one_work+0x288/0x690\\n[ 103.352499] worker_thread+0x70/0x464\\n[ 103.356157] kthread+0x144/0x150\\n[ 103.359380] ret_from_fork+0x10/0x18\\n[ 103.362952] Code: 394008c3 52800220 394000e4 7100007f (39400023)\"}, {\"lang\": \"es\", \"value\": \"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mt76: mt7915: corrige la desreferencia del puntero NULL en mt7915_get_phy_mode. Corrija la siguiente desreferencia del puntero NULL en la rutina mt7915_get_phy_mode agregando una interfaz ibss al controlador mt7915. [ 101.137097] wlan0: activa una nueva exploraci\\u00f3n para encontrar un IBSS al que unirse [ 102.827039] wlan0: crea una nueva red IBSS, BSSID 26:a4:50:1a:6e:69 [ 103.064756] No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\\u00f3n virtual 0000000000000000 [ 103.073670] Informaci\\u00f3n de cancelaci\\u00f3n de memoria: [ 103.076520] ESR = 0x96000005 [ 103.079614] EC = 0x25: DABT (EL actual), IL = 32 bits [ 103.084934] SET = 0, FnV = 0 [ 103.088042] EA = 0, 1PTW = 0 [ 103.091215] Informaci\\u00f3n de cancelaci\\u00f3n de datos: [ 103.094104] ISV = 0, ISS = 0x00000005 [ 103.098041] CM = 0, WnR = 0 [ 103.101044] tabla de p\\u00e1ginas de usuario: p\\u00e1ginas de 4k, VA de 39 bits, pgdp=00000000460 b1000 [ 103.107565 ] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000 [103.116590] Error interno: Ups: 96000005 [#1] SMP [103.189066] CPU: 1 PID: 333 Comunicaciones: kworker/u4:3 No contaminado 5.10.75 #0 [ 103.195498 ] Nombre del hardware: Placa MediaTek MT7622 RFB1 (DT) [103.201124] Cola de trabajo: phy0 ieee80211_iface_work [mac80211] [103.206695] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) [103.212705] pc: t7915_get_phy_mode+0x68/ 0x120 [MT7915E] [103.218103] LR: MT7915_MCU_ADD_BSS_INFO+0X11C/0X760 [MT7915E] [103.223927] SP: FFFFFFFC011CDB9E0 [103.222235] x29: F8006563098 [103.232545] x27: ffffff8005f4da22 x26: ffffff800685ac40 [103.237855] x25: 000000000000000001 x24: 000000000000011f [ 103.243165] x23: ffffff8005f4e260 x22: ffffff8006567918 [ 103.248475] x21: ffffff8005f4df80 x20: ffffff800685ac58 [ 103.253785] x19: 44400 x18: 0000000000000000 [ 103.259094] x17: 0000000000000000 x16: 0000000000000001 [ 103.264403] x15: 000899c3a2d9d2e4 x14: 99bdc3c3a1c8 [103.269713] x13: 0000000000000000 x12: 0000000000000000 [ 103.275024] x11: ffffffc010e30c20 x10: 0000000000000000 [ 103.280333] x9 : 0000000000000050 x8: ffffff8006567d88 [103.285642] x7: ffffff8006563b5c x6: ffffff8006563b44 [103.290952] x5: 00000000000000002 x4: 0000000000000001 [ 103.2 96262] x3: 0000000000000001 x2: 0000000000000001 [ 103.301572] x1: 0000000000000000 x0: 0000000000000011 [103.306882] Rastreo de llamadas: [103.309328] mt7915_get_phy_mode+0x68/0x120 [mt7915e] [ 378] mt7915_bss_info_changed+0x198/0x200 [mt7915e] [ 103.319941] ieee80211_bss_info_change_notify+0x128/0x290 [mac80211] [ 103.326360] __ieee80211_sta_join_ibss+0x308/0x6c4 [mac80211] [ 103.332171] ieee80211_sta_create_ibss+0x8c/0x10c [mac80211] [ 103.337895] 614 [mac80211] [ 103.343185] ieee80211_iface_work+0x388/0x3f0 [mac80211] [ 103.348495] Process_one_work+0x288/0x690 [ 103.352499] work_thread+0x70/0x464 [ 103.356157] kthread+0x144/0x150 [ 103.359380] ret_from_fork+0x10/0x18 [ 103.362952] C\\u00f3digo: 394008c3 52800220 00e4 7100007f (39400023)\"}]",
"id": "CVE-2021-47540",
"lastModified": "2024-11-21T06:36:29.773",
"metrics": "{\"cvssMetricV31\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\", \"baseScore\": 5.5, \"baseSeverity\": \"MEDIUM\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"NONE\", \"integrityImpact\": \"NONE\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 3.6}]}",
"published": "2024-05-24T15:15:18.147",
"references": "[{\"url\": \"https://git.kernel.org/stable/c/14b03b8cebdf18ff13c39d58501b625411314de2\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/932b338f4e5c4cb0c2ed640da3bced1e63620198\", \"source\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/14b03b8cebdf18ff13c39d58501b625411314de2\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}, {\"url\": \"https://git.kernel.org/stable/c/932b338f4e5c4cb0c2ed640da3bced1e63620198\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\"]}]",
"sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
"vulnStatus": "Modified",
"weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"CWE-476\"}]}]"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2021-47540\",\"sourceIdentifier\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"published\":\"2024-05-24T15:15:18.147\",\"lastModified\":\"2026-06-17T04:17:43.400\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode\\n\\nFix the following NULL pointer dereference in mt7915_get_phy_mode\\nroutine adding an ibss interface to the mt7915 driver.\\n\\n[ 101.137097] wlan0: Trigger new scan to find an IBSS to join\\n[ 102.827039] wlan0: Creating new IBSS network, BSSID 26:a4:50:1a:6e:69\\n[ 103.064756] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\\n[ 103.073670] Mem abort info:\\n[ 103.076520] ESR = 0x96000005\\n[ 103.079614] EC = 0x25: DABT (current EL), IL = 32 bits\\n[ 103.084934] SET = 0, FnV = 0\\n[ 103.088042] EA = 0, S1PTW = 0\\n[ 103.091215] Data abort info:\\n[ 103.094104] ISV = 0, ISS = 0x00000005\\n[ 103.098041] CM = 0, WnR = 0\\n[ 103.101044] user pgtable: 4k pages, 39-bit VAs, pgdp=00000000460b1000\\n[ 103.107565] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000\\n[ 103.116590] Internal error: Oops: 96000005 [#1] SMP\\n[ 103.189066] CPU: 1 PID: 333 Comm: kworker/u4:3 Not tainted 5.10.75 #0\\n[ 103.195498] Hardware name: MediaTek MT7622 RFB1 board (DT)\\n[ 103.201124] Workqueue: phy0 ieee80211_iface_work [mac80211]\\n[ 103.206695] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--)\\n[ 103.212705] pc : mt7915_get_phy_mode+0x68/0x120 [mt7915e]\\n[ 103.218103] lr : mt7915_mcu_add_bss_info+0x11c/0x760 [mt7915e]\\n[ 103.223927] sp : ffffffc011cdb9e0\\n[ 103.227235] x29: ffffffc011cdb9e0 x28: ffffff8006563098\\n[ 103.232545] x27: ffffff8005f4da22 x26: ffffff800685ac40\\n[ 103.237855] x25: 0000000000000001 x24: 000000000000011f\\n[ 103.243165] x23: ffffff8005f4e260 x22: ffffff8006567918\\n[ 103.248475] x21: ffffff8005f4df80 x20: ffffff800685ac58\\n[ 103.253785] x19: ffffff8006744400 x18: 0000000000000000\\n[ 103.259094] x17: 0000000000000000 x16: 0000000000000001\\n[ 103.264403] x15: 000899c3a2d9d2e4 x14: 000899bdc3c3a1c8\\n[ 103.269713] x13: 0000000000000000 x12: 0000000000000000\\n[ 103.275024] x11: ffffffc010e30c20 x10: 0000000000000000\\n[ 103.280333] x9 : 0000000000000050 x8 : ffffff8006567d88\\n[ 103.285642] x7 : ffffff8006563b5c x6 : ffffff8006563b44\\n[ 103.290952] x5 : 0000000000000002 x4 : 0000000000000001\\n[ 103.296262] x3 : 0000000000000001 x2 : 0000000000000001\\n[ 103.301572] x1 : 0000000000000000 x0 : 0000000000000011\\n[ 103.306882] Call trace:\\n[ 103.309328] mt7915_get_phy_mode+0x68/0x120 [mt7915e]\\n[ 103.314378] mt7915_bss_info_changed+0x198/0x200 [mt7915e]\\n[ 103.319941] ieee80211_bss_info_change_notify+0x128/0x290 [mac80211]\\n[ 103.326360] __ieee80211_sta_join_ibss+0x308/0x6c4 [mac80211]\\n[ 103.332171] ieee80211_sta_create_ibss+0x8c/0x10c [mac80211]\\n[ 103.337895] ieee80211_ibss_work+0x3dc/0x614 [mac80211]\\n[ 103.343185] ieee80211_iface_work+0x388/0x3f0 [mac80211]\\n[ 103.348495] process_one_work+0x288/0x690\\n[ 103.352499] worker_thread+0x70/0x464\\n[ 103.356157] kthread+0x144/0x150\\n[ 103.359380] ret_from_fork+0x10/0x18\\n[ 103.362952] Code: 394008c3 52800220 394000e4 7100007f (39400023)\"},{\"lang\":\"es\",\"value\":\"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: mt76: mt7915: corrige la desreferencia del puntero NULL en mt7915_get_phy_mode. Corrija la siguiente desreferencia del puntero NULL en la rutina mt7915_get_phy_mode agregando una interfaz ibss al controlador mt7915. [ 101.137097] wlan0: activa una nueva exploraci\u00f3n para encontrar un IBSS al que unirse [ 102.827039] wlan0: crea una nueva red IBSS, BSSID 26:a4:50:1a:6e:69 [ 103.064756] No se puede manejar la desreferencia del puntero NULL del kernel en la direcci\u00f3n virtual 0000000000000000 [ 103.073670] Informaci\u00f3n de cancelaci\u00f3n de memoria: [ 103.076520] ESR = 0x96000005 [ 103.079614] EC = 0x25: DABT (EL actual), IL = 32 bits [ 103.084934] SET = 0, FnV = 0 [ 103.088042] EA = 0, 1PTW = 0 [ 103.091215] Informaci\u00f3n de cancelaci\u00f3n de datos: [ 103.094104] ISV = 0, ISS = 0x00000005 [ 103.098041] CM = 0, WnR = 0 [ 103.101044] tabla de p\u00e1ginas de usuario: p\u00e1ginas de 4k, VA de 39 bits, pgdp=00000000460 b1000 [ 103.107565 ] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000 [103.116590] Error interno: Ups: 96000005 [#1] SMP [103.189066] CPU: 1 PID: 333 Comunicaciones: kworker/u4:3 No contaminado 5.10.75 #0 [ 103.195498 ] Nombre del hardware: Placa MediaTek MT7622 RFB1 (DT) [103.201124] Cola de trabajo: phy0 ieee80211_iface_work [mac80211] [103.206695] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--) [103.212705] pc: t7915_get_phy_mode+0x68/ 0x120 [MT7915E] [103.218103] LR: MT7915_MCU_ADD_BSS_INFO+0X11C/0X760 [MT7915E] [103.223927] SP: FFFFFFFC011CDB9E0 [103.222235] x29: F8006563098 [103.232545] x27: ffffff8005f4da22 x26: ffffff800685ac40 [103.237855] x25: 000000000000000001 x24: 000000000000011f [ 103.243165] x23: ffffff8005f4e260 x22: ffffff8006567918 [ 103.248475] x21: ffffff8005f4df80 x20: ffffff800685ac58 [ 103.253785] x19: 44400 x18: 0000000000000000 [ 103.259094] x17: 0000000000000000 x16: 0000000000000001 [ 103.264403] x15: 000899c3a2d9d2e4 x14: 99bdc3c3a1c8 [103.269713] x13: 0000000000000000 x12: 0000000000000000 [ 103.275024] x11: ffffffc010e30c20 x10: 0000000000000000 [ 103.280333] x9 : 0000000000000050 x8: ffffff8006567d88 [103.285642] x7: ffffff8006563b5c x6: ffffff8006563b44 [103.290952] x5: 00000000000000002 x4: 0000000000000001 [ 103.2 96262] x3: 0000000000000001 x2: 0000000000000001 [ 103.301572] x1: 0000000000000000 x0: 0000000000000011 [103.306882] Rastreo de llamadas: [103.309328] mt7915_get_phy_mode+0x68/0x120 [mt7915e] [ 378] mt7915_bss_info_changed+0x198/0x200 [mt7915e] [ 103.319941] ieee80211_bss_info_change_notify+0x128/0x290 [mac80211] [ 103.326360] __ieee80211_sta_join_ibss+0x308/0x6c4 [mac80211] [ 103.332171] ieee80211_sta_create_ibss+0x8c/0x10c [mac80211] [ 103.337895] 614 [mac80211] [ 103.343185] ieee80211_iface_work+0x388/0x3f0 [mac80211] [ 103.348495] Process_one_work+0x288/0x690 [ 103.352499] work_thread+0x70/0x464 [ 103.356157] kthread+0x144/0x150 [ 103.359380] ret_from_fork+0x10/0x18 [ 103.362952] C\u00f3digo: 394008c3 52800220 00e4 7100007f (39400023)\"}],\"affected\":[{\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"affectedData\":[{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"unaffected\",\"programFiles\":[\"drivers/net/wireless/mediatek/mt76/mt7915/mcu.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"e57b7901469fc0b021930b83a8094baaf3d81b09\",\"lessThan\":\"932b338f4e5c4cb0c2ed640da3bced1e63620198\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e57b7901469fc0b021930b83a8094baaf3d81b09\",\"lessThan\":\"14b03b8cebdf18ff13c39d58501b625411314de2\",\"versionType\":\"git\",\"status\":\"affected\"},{\"version\":\"e57b7901469fc0b021930b83a8094baaf3d81b09\",\"lessThan\":\"6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c\",\"versionType\":\"git\",\"status\":\"affected\"}]},{\"vendor\":\"Linux\",\"product\":\"Linux\",\"defaultStatus\":\"affected\",\"programFiles\":[\"drivers/net/wireless/mediatek/mt76/mt7915/mcu.c\"],\"repo\":\"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\"versions\":[{\"version\":\"5.8\",\"status\":\"affected\"},{\"version\":\"0\",\"lessThan\":\"5.8\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.10.84\",\"lessThanOrEqual\":\"5.10.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.15.7\",\"lessThanOrEqual\":\"5.15.*\",\"versionType\":\"semver\",\"status\":\"unaffected\"},{\"version\":\"5.16\",\"lessThanOrEqual\":\"*\",\"versionType\":\"original_commit_for_fix\",\"status\":\"unaffected\"}]}]}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H\",\"baseScore\":5.5,\"baseSeverity\":\"MEDIUM\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"NONE\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":3.6}],\"ssvcV203\":[{\"source\":\"134c704f-9b21-4f2e-91b3-4a467353bcc0\",\"ssvcData\":{\"timestamp\":\"2024-09-10T15:35:20.346625Z\",\"id\":\"CVE-2021-47540\",\"options\":[{\"exploitation\":\"none\"},{\"automatable\":\"no\"},{\"technicalImpact\":\"partial\"}],\"role\":\"CISA Coordinator\",\"version\":\"2.0.3\"}}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-476\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.8\",\"versionEndExcluding\":\"5.10.84\",\"matchCriteriaId\":\"E9314948-D53C-419C-B785-89A3C0B287DE\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"5.11\",\"versionEndExcluding\":\"5.15.7\",\"matchCriteriaId\":\"A696A60B-2782-4119-83DD-1EFFBC903F02\"}]}]}],\"references\":[{\"url\":\"https://git.kernel.org/stable/c/14b03b8cebdf18ff13c39d58501b625411314de2\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/932b338f4e5c4cb0c2ed640da3bced1e63620198\",\"source\":\"416baaa9-dc9f-4396-8d5f-8c081fb06d67\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/14b03b8cebdf18ff13c39d58501b625411314de2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]},{\"url\":\"https://git.kernel.org/stable/c/932b338f4e5c4cb0c2ed640da3bced1e63620198\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Patch\"]}]}}",
"redhat_vex": {
"aggregate_severity": "Moderate",
"current_release_date": "2025-11-21T14:28:04+00:00",
"cve": "CVE-2021-47540",
"id": "CVE-2021-47540",
"initial_release_date": "2021-01-01T00:00:00+00:00",
"product_status:known_not_affected": "198",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "kernel: mt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2021/cve-2021-47540.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2026-09-11T16:58:01Z",
"cve": "CVE-2021-47540",
"id": "CVE-2021-47540",
"initial_release_date": "2024-05-28T03:32:41Z",
"product_status:known_affected": "269",
"product_status:known_not_affected": "224",
"product_status:recommended": "543",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2021-47540",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2021-47540.json",
"version": "56"
},
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CVE Program Container\", \"references\": [{\"url\": \"https://git.kernel.org/stable/c/932b338f4e5c4cb0c2ed640da3bced1e63620198\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/14b03b8cebdf18ff13c39d58501b625411314de2\", \"tags\": [\"x_transferred\"]}, {\"url\": \"https://git.kernel.org/stable/c/6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c\", \"tags\": [\"x_transferred\"]}], \"providerMetadata\": {\"orgId\": \"af854a3a-2127-422b-91ae-364da2661108\", \"shortName\": \"CVE\", \"dateUpdated\": \"2024-08-04T05:39:59.621Z\"}}, {\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2021-47540\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-09-10T15:35:20.346625Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-09-11T12:42:16.265Z\"}}], \"cna\": {\"title\": \"mt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"e57b7901469fc0b021930b83a8094baaf3d81b09\", \"lessThan\": \"932b338f4e5c4cb0c2ed640da3bced1e63620198\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e57b7901469fc0b021930b83a8094baaf3d81b09\", \"lessThan\": \"14b03b8cebdf18ff13c39d58501b625411314de2\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"e57b7901469fc0b021930b83a8094baaf3d81b09\", \"lessThan\": \"6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wireless/mediatek/mt76/mt7915/mcu.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.8\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.8\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"5.10.84\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.10.*\"}, {\"status\": \"unaffected\", \"version\": \"5.15.7\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"5.15.*\"}, {\"status\": \"unaffected\", \"version\": \"5.16\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/mediatek/mt76/mt7915/mcu.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/932b338f4e5c4cb0c2ed640da3bced1e63620198\"}, {\"url\": \"https://git.kernel.org/stable/c/14b03b8cebdf18ff13c39d58501b625411314de2\"}, {\"url\": \"https://git.kernel.org/stable/c/6e53d6d26920d5221d3f4d4f5ffdd629ea69aa5c\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nmt76: mt7915: fix NULL pointer dereference in mt7915_get_phy_mode\\n\\nFix the following NULL pointer dereference in mt7915_get_phy_mode\\nroutine adding an ibss interface to the mt7915 driver.\\n\\n[ 101.137097] wlan0: Trigger new scan to find an IBSS to join\\n[ 102.827039] wlan0: Creating new IBSS network, BSSID 26:a4:50:1a:6e:69\\n[ 103.064756] Unable to handle kernel NULL pointer dereference at virtual address 0000000000000000\\n[ 103.073670] Mem abort info:\\n[ 103.076520] ESR = 0x96000005\\n[ 103.079614] EC = 0x25: DABT (current EL), IL = 32 bits\\n[ 103.084934] SET = 0, FnV = 0\\n[ 103.088042] EA = 0, S1PTW = 0\\n[ 103.091215] Data abort info:\\n[ 103.094104] ISV = 0, ISS = 0x00000005\\n[ 103.098041] CM = 0, WnR = 0\\n[ 103.101044] user pgtable: 4k pages, 39-bit VAs, pgdp=00000000460b1000\\n[ 103.107565] [0000000000000000] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000\\n[ 103.116590] Internal error: Oops: 96000005 [#1] SMP\\n[ 103.189066] CPU: 1 PID: 333 Comm: kworker/u4:3 Not tainted 5.10.75 #0\\n[ 103.195498] Hardware name: MediaTek MT7622 RFB1 board (DT)\\n[ 103.201124] Workqueue: phy0 ieee80211_iface_work [mac80211]\\n[ 103.206695] pstate: 20000005 (nzCv daif -PAN -UAO -TCO BTYPE=--)\\n[ 103.212705] pc : mt7915_get_phy_mode+0x68/0x120 [mt7915e]\\n[ 103.218103] lr : mt7915_mcu_add_bss_info+0x11c/0x760 [mt7915e]\\n[ 103.223927] sp : ffffffc011cdb9e0\\n[ 103.227235] x29: ffffffc011cdb9e0 x28: ffffff8006563098\\n[ 103.232545] x27: ffffff8005f4da22 x26: ffffff800685ac40\\n[ 103.237855] x25: 0000000000000001 x24: 000000000000011f\\n[ 103.243165] x23: ffffff8005f4e260 x22: ffffff8006567918\\n[ 103.248475] x21: ffffff8005f4df80 x20: ffffff800685ac58\\n[ 103.253785] x19: ffffff8006744400 x18: 0000000000000000\\n[ 103.259094] x17: 0000000000000000 x16: 0000000000000001\\n[ 103.264403] x15: 000899c3a2d9d2e4 x14: 000899bdc3c3a1c8\\n[ 103.269713] x13: 0000000000000000 x12: 0000000000000000\\n[ 103.275024] x11: ffffffc010e30c20 x10: 0000000000000000\\n[ 103.280333] x9 : 0000000000000050 x8 : ffffff8006567d88\\n[ 103.285642] x7 : ffffff8006563b5c x6 : ffffff8006563b44\\n[ 103.290952] x5 : 0000000000000002 x4 : 0000000000000001\\n[ 103.296262] x3 : 0000000000000001 x2 : 0000000000000001\\n[ 103.301572] x1 : 0000000000000000 x0 : 0000000000000011\\n[ 103.306882] Call trace:\\n[ 103.309328] mt7915_get_phy_mode+0x68/0x120 [mt7915e]\\n[ 103.314378] mt7915_bss_info_changed+0x198/0x200 [mt7915e]\\n[ 103.319941] ieee80211_bss_info_change_notify+0x128/0x290 [mac80211]\\n[ 103.326360] __ieee80211_sta_join_ibss+0x308/0x6c4 [mac80211]\\n[ 103.332171] ieee80211_sta_create_ibss+0x8c/0x10c [mac80211]\\n[ 103.337895] ieee80211_ibss_work+0x3dc/0x614 [mac80211]\\n[ 103.343185] ieee80211_iface_work+0x388/0x3f0 [mac80211]\\n[ 103.348495] process_one_work+0x288/0x690\\n[ 103.352499] worker_thread+0x70/0x464\\n[ 103.356157] kthread+0x144/0x150\\n[ 103.359380] ret_from_fork+0x10/0x18\\n[ 103.362952] Code: 394008c3 52800220 394000e4 7100007f (39400023)\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.10.84\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.15.7\", \"versionStartIncluding\": \"5.8\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"5.16\", \"versionStartIncluding\": \"5.8\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T07:13:08.646Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2021-47540\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T07:13:08.646Z\", \"dateReserved\": \"2024-05-24T15:02:54.828Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-24T15:09:47.256Z\", \"assignerShortName\": \"Linux\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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