CVE-2024-47715 (GCVE-0-2024-47715)

Vulnerability from cvelistv5 – Published: 2024-10-21 11:53 – Updated: 2025-05-04 09:38
VLAI?
Title
wifi: mt76: mt7915: fix oops on non-dbdc mt7986
Summary
In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: mt7915: fix oops on non-dbdc mt7986 mt7915_band_config() sets band_idx = 1 on the main phy for mt7986 with MT7975_ONE_ADIE or MT7976_ONE_ADIE. Commit 0335c034e726 ("wifi: mt76: fix race condition related to checking tx queue fill status") introduced a dereference of the phys array indirectly indexed by band_idx via wcid->phy_idx in mt76_wcid_cleanup(). This caused the following Oops on affected mt7986 devices: Unable to handle kernel read from unreadable memory at virtual address 0000000000000024 Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005 CM = 0, WnR = 0 user pgtable: 4k pages, 39-bit VAs, pgdp=0000000042545000 [0000000000000024] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] SMP Modules linked in: ... mt7915e mt76_connac_lib mt76 mac80211 cfg80211 ... CPU: 2 PID: 1631 Comm: hostapd Not tainted 5.15.150 #0 Hardware name: ZyXEL EX5700 (Telenor) (DT) pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : mt76_wcid_cleanup+0x84/0x22c [mt76] lr : mt76_wcid_cleanup+0x64/0x22c [mt76] sp : ffffffc00a803700 x29: ffffffc00a803700 x28: ffffff80008f7300 x27: ffffff80003f3c00 x26: ffffff80000a7880 x25: ffffffc008c26e00 x24: 0000000000000001 x23: ffffffc000a68114 x22: 0000000000000000 x21: ffffff8004172cc8 x20: ffffffc00a803748 x19: ffffff8004152020 x18: 0000000000000000 x17: 00000000000017c0 x16: ffffffc008ef5000 x15: 0000000000000be0 x14: ffffff8004172e28 x13: ffffff8004172e28 x12: 0000000000000000 x11: 0000000000000000 x10: ffffff8004172e30 x9 : ffffff8004172e28 x8 : 0000000000000000 x7 : ffffff8004156020 x6 : 0000000000000000 x5 : 0000000000000031 x4 : 0000000000000000 x3 : 0000000000000001 x2 : 0000000000000000 x1 : ffffff80008f7300 x0 : 0000000000000024 Call trace: mt76_wcid_cleanup+0x84/0x22c [mt76] __mt76_sta_remove+0x70/0xbc [mt76] mt76_sta_state+0x8c/0x1a4 [mt76] mt7915_eeprom_get_power_delta+0x11e4/0x23a0 [mt7915e] drv_sta_state+0x144/0x274 [mac80211] sta_info_move_state+0x1cc/0x2a4 [mac80211] sta_set_sinfo+0xaf8/0xc24 [mac80211] sta_info_destroy_addr_bss+0x4c/0x6c [mac80211] ieee80211_color_change_finish+0x1c08/0x1e70 [mac80211] cfg80211_check_station_change+0x1360/0x4710 [cfg80211] genl_family_rcv_msg_doit+0xb4/0x110 genl_rcv_msg+0xd0/0x1bc netlink_rcv_skb+0x58/0x120 genl_rcv+0x34/0x50 netlink_unicast+0x1f0/0x2ec netlink_sendmsg+0x198/0x3d0 ____sys_sendmsg+0x1b0/0x210 ___sys_sendmsg+0x80/0xf0 __sys_sendmsg+0x44/0xa0 __arm64_sys_sendmsg+0x20/0x30 invoke_syscall.constprop.0+0x4c/0xe0 do_el0_svc+0x40/0xd0 el0_svc+0x14/0x4c el0t_64_sync_handler+0x100/0x110 el0t_64_sync+0x15c/0x160 Code: d2800002 910092c0 52800023 f9800011 (885f7c01) ---[ end trace 7e42dd9a39ed2281 ]--- Fix by using mt76_dev_phy() which will map band_idx to the correct phy for all hardware combinations.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: d2defcddfe90b3be0cfccc2482495ab1fb759586 , < 818dd118f4a997f8b4fe9c010b22402d410a2424 (git)
Affected: 0335c034e7265d36d956e806f33202c94a8a9860 , < 7c128f3ff0be5802aef66f332e4bba6afe98735e (git)
Affected: 0335c034e7265d36d956e806f33202c94a8a9860 , < a94d2bd111b39f0c2c7fcbfbf8276ab98c3b8353 (git)
Affected: 0335c034e7265d36d956e806f33202c94a8a9860 , < 862bf7cbd772c2bad570ef0c5b5556a1330656dd (git)
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    Linux Linux Affected: 6.7
Unaffected: 0 , < 6.7 (semver)
Unaffected: 6.6.54 , ≤ 6.6.* (semver)
Unaffected: 6.10.13 , ≤ 6.10.* (semver)
Unaffected: 6.11.2 , ≤ 6.11.* (semver)
Unaffected: 6.12 , ≤ * (original_commit_for_fix)
Create a notification for this product.
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    "dateUpdated": "2025-05-04T09:38:08.832Z",
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    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2024-47715\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2024-10-21T13:02:44.864133Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2024-10-21T13:02:47.999Z\"}}], \"cna\": {\"title\": \"wifi: mt76: mt7915: fix oops on non-dbdc mt7986\", \"affected\": [{\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"d2defcddfe90b3be0cfccc2482495ab1fb759586\", \"lessThan\": \"818dd118f4a997f8b4fe9c010b22402d410a2424\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0335c034e7265d36d956e806f33202c94a8a9860\", \"lessThan\": \"7c128f3ff0be5802aef66f332e4bba6afe98735e\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0335c034e7265d36d956e806f33202c94a8a9860\", \"lessThan\": \"a94d2bd111b39f0c2c7fcbfbf8276ab98c3b8353\", \"versionType\": \"git\"}, {\"status\": \"affected\", \"version\": \"0335c034e7265d36d956e806f33202c94a8a9860\", \"lessThan\": \"862bf7cbd772c2bad570ef0c5b5556a1330656dd\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wireless/mediatek/mt76/mac80211.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"6.7\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"6.7\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.6.54\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.10.13\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.10.*\"}, {\"status\": \"unaffected\", \"version\": \"6.11.2\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.11.*\"}, {\"status\": \"unaffected\", \"version\": \"6.12\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wireless/mediatek/mt76/mac80211.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/818dd118f4a997f8b4fe9c010b22402d410a2424\"}, {\"url\": \"https://git.kernel.org/stable/c/7c128f3ff0be5802aef66f332e4bba6afe98735e\"}, {\"url\": \"https://git.kernel.org/stable/c/a94d2bd111b39f0c2c7fcbfbf8276ab98c3b8353\"}, {\"url\": \"https://git.kernel.org/stable/c/862bf7cbd772c2bad570ef0c5b5556a1330656dd\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"In the Linux kernel, the following vulnerability has been resolved:\\n\\nwifi: mt76: mt7915: fix oops on non-dbdc mt7986\\n\\nmt7915_band_config() sets band_idx = 1 on the main phy for mt7986\\nwith MT7975_ONE_ADIE or MT7976_ONE_ADIE.\\n\\nCommit 0335c034e726 (\\\"wifi: mt76: fix race condition related to\\nchecking tx queue fill status\\\") introduced a dereference of the\\nphys array indirectly indexed by band_idx via wcid-\u003ephy_idx in\\nmt76_wcid_cleanup(). This caused the following Oops on affected\\nmt7986 devices:\\n\\n Unable to handle kernel read from unreadable memory at virtual address 0000000000000024\\n Mem abort info:\\n   ESR = 0x0000000096000005\\n   EC = 0x25: DABT (current EL), IL = 32 bits\\n   SET = 0, FnV = 0\\n   EA = 0, S1PTW = 0\\n   FSC = 0x05: level 1 translation fault\\n Data abort info:\\n   ISV = 0, ISS = 0x00000005\\n   CM = 0, WnR = 0\\n user pgtable: 4k pages, 39-bit VAs, pgdp=0000000042545000\\n [0000000000000024] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000\\n Internal error: Oops: 0000000096000005 [#1] SMP\\n Modules linked in: ... mt7915e mt76_connac_lib mt76 mac80211 cfg80211 ...\\n CPU: 2 PID: 1631 Comm: hostapd Not tainted 5.15.150 #0\\n Hardware name: ZyXEL EX5700 (Telenor) (DT)\\n pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\\n pc : mt76_wcid_cleanup+0x84/0x22c [mt76]\\n lr : mt76_wcid_cleanup+0x64/0x22c [mt76]\\n sp : ffffffc00a803700\\n x29: ffffffc00a803700 x28: ffffff80008f7300 x27: ffffff80003f3c00\\n x26: ffffff80000a7880 x25: ffffffc008c26e00 x24: 0000000000000001\\n x23: ffffffc000a68114 x22: 0000000000000000 x21: ffffff8004172cc8\\n x20: ffffffc00a803748 x19: ffffff8004152020 x18: 0000000000000000\\n x17: 00000000000017c0 x16: ffffffc008ef5000 x15: 0000000000000be0\\n x14: ffffff8004172e28 x13: ffffff8004172e28 x12: 0000000000000000\\n x11: 0000000000000000 x10: ffffff8004172e30 x9 : ffffff8004172e28\\n x8 : 0000000000000000 x7 : ffffff8004156020 x6 : 0000000000000000\\n x5 : 0000000000000031 x4 : 0000000000000000 x3 : 0000000000000001\\n x2 : 0000000000000000 x1 : ffffff80008f7300 x0 : 0000000000000024\\n Call trace:\\n  mt76_wcid_cleanup+0x84/0x22c [mt76]\\n  __mt76_sta_remove+0x70/0xbc [mt76]\\n  mt76_sta_state+0x8c/0x1a4 [mt76]\\n  mt7915_eeprom_get_power_delta+0x11e4/0x23a0 [mt7915e]\\n  drv_sta_state+0x144/0x274 [mac80211]\\n  sta_info_move_state+0x1cc/0x2a4 [mac80211]\\n  sta_set_sinfo+0xaf8/0xc24 [mac80211]\\n  sta_info_destroy_addr_bss+0x4c/0x6c [mac80211]\\n\\n  ieee80211_color_change_finish+0x1c08/0x1e70 [mac80211]\\n  cfg80211_check_station_change+0x1360/0x4710 [cfg80211]\\n  genl_family_rcv_msg_doit+0xb4/0x110\\n  genl_rcv_msg+0xd0/0x1bc\\n  netlink_rcv_skb+0x58/0x120\\n  genl_rcv+0x34/0x50\\n  netlink_unicast+0x1f0/0x2ec\\n  netlink_sendmsg+0x198/0x3d0\\n  ____sys_sendmsg+0x1b0/0x210\\n  ___sys_sendmsg+0x80/0xf0\\n  __sys_sendmsg+0x44/0xa0\\n  __arm64_sys_sendmsg+0x20/0x30\\n  invoke_syscall.constprop.0+0x4c/0xe0\\n  do_el0_svc+0x40/0xd0\\n  el0_svc+0x14/0x4c\\n  el0t_64_sync_handler+0x100/0x110\\n  el0t_64_sync+0x15c/0x160\\n Code: d2800002 910092c0 52800023 f9800011 (885f7c01)\\n ---[ end trace 7e42dd9a39ed2281 ]---\\n\\nFix by using mt76_dev_phy() which will map band_idx to the correct phy\\nfor all hardware combinations.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.54\", \"versionStartIncluding\": \"6.6.48\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.10.13\", \"versionStartIncluding\": \"6.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.11.2\", \"versionStartIncluding\": \"6.7\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.12\", \"versionStartIncluding\": \"6.7\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:38:08.832Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-47715\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:38:08.832Z\", \"dateReserved\": \"2024-09-30T16:00:12.949Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-10-21T11:53:46.772Z\", \"assignerShortName\": \"Linux\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Sightings

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  • 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.
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  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
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  • 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.



Detection rules are retrieved from Rulezet.