{
  "schema_version": "1.4.0",
  "id": "GHSA-3qvw-43j7-qfg8",
  "modified": "2025-09-24T21:30:29Z",
  "published": "2024-05-19T09:34:47Z",
  "aliases": [
    "CVE-2024-35909"
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:\n\nnet: wwan: t7xx: Split 64bit accesses to fix alignment issues\n\nSome of the registers are aligned on a 32bit boundary, causing\nalignment faults on 64bit platforms.\n\n Unable to handle kernel paging request at virtual address ffffffc084a1d004\n Mem abort info:\n ESR = 0x0000000096000061\n EC = 0x25: DABT (current EL), IL = 32 bits\n SET = 0, FnV = 0\n EA = 0, S1PTW = 0\n FSC = 0x21: alignment fault\n Data abort info:\n ISV = 0, ISS = 0x00000061, ISS2 = 0x00000000\n CM = 0, WnR = 1, TnD = 0, TagAccess = 0\n GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0\n swapper pgtable: 4k pages, 39-bit VAs, pgdp=0000000046ad6000\n [ffffffc084a1d004] pgd=100000013ffff003, p4d=100000013ffff003, pud=100000013ffff003, pmd=0068000020a00711\n Internal error: Oops: 0000000096000061 [#1] SMP\n Modules linked in: mtk_t7xx(+) qcserial pppoe ppp_async option nft_fib_inet nf_flow_table_inet mt7921u(O) mt7921s(O) mt7921e(O) mt7921_common(O) iwlmvm(O) iwldvm(O) usb_wwan rndis_host qmi_wwan pppox ppp_generic nft_reject_ipv6 nft_reject_ipv4 nft_reject_inet nft_reject nft_redir nft_quota nft_numgen nft_nat nft_masq nft_log nft_limit nft_hash nft_flow_offload nft_fib_ipv6 nft_fib_ipv4 nft_fib nft_ct nft_chain_nat nf_tables nf_nat nf_flow_table nf_conntrack mt7996e(O) mt792x_usb(O) mt792x_lib(O) mt7915e(O) mt76_usb(O) mt76_sdio(O) mt76_connac_lib(O) mt76(O) mac80211(O) iwlwifi(O) huawei_cdc_ncm cfg80211(O) cdc_ncm cdc_ether wwan usbserial usbnet slhc sfp rtc_pcf8563 nfnetlink nf_reject_ipv6 nf_reject_ipv4 nf_log_syslog nf_defrag_ipv6 nf_defrag_ipv4 mt6577_auxadc mdio_i2c libcrc32c compat(O) cdc_wdm cdc_acm at24 crypto_safexcel pwm_fan i2c_gpio i2c_smbus industrialio i2c_algo_bit i2c_mux_reg i2c_mux_pca954x i2c_mux_pca9541 i2c_mux_gpio i2c_mux dummy oid_registry tun sha512_arm64 sha1_ce sha1_generic seqiv\n md5 geniv des_generic libdes cbc authencesn authenc leds_gpio xhci_plat_hcd xhci_pci xhci_mtk_hcd xhci_hcd nvme nvme_core gpio_button_hotplug(O) dm_mirror dm_region_hash dm_log dm_crypt dm_mod dax usbcore usb_common ptp aquantia pps_core mii tpm encrypted_keys trusted\n CPU: 3 PID: 5266 Comm: kworker/u9:1 Tainted: G O 6.6.22 #0\n Hardware name: Bananapi BPI-R4 (DT)\n Workqueue: md_hk_wq t7xx_fsm_uninit [mtk_t7xx]\n pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : t7xx_cldma_hw_set_start_addr+0x1c/0x3c [mtk_t7xx]\n lr : t7xx_cldma_start+0xac/0x13c [mtk_t7xx]\n sp : ffffffc085d63d30\n x29: ffffffc085d63d30 x28: 0000000000000000 x27: 0000000000000000\n x26: 0000000000000000 x25: ffffff80c804f2c0 x24: ffffff80ca196c05\n x23: 0000000000000000 x22: ffffff80c814b9b8 x21: ffffff80c814b128\n x20: 0000000000000001 x19: ffffff80c814b080 x18: 0000000000000014\n x17: 0000000055c9806b x16: 000000007c5296d0 x15: 000000000f6bca68\n x14: 00000000dbdbdce4 x13: 000000001aeaf72a x12: 0000000000000001\n x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000\n x8 : ffffff80ca1ef6b4 x7 : ffffff80c814b818 x6 : 0000000000000018\n x5 : 0000000000000870 x4 : 0000000000000000 x3 : 0000000000000000\n x2 : 000000010a947000 x1 : ffffffc084a1d004 x0 : ffffffc084a1d004\n Call trace:\n t7xx_cldma_hw_set_start_addr+0x1c/0x3c [mtk_t7xx]\n t7xx_fsm_uninit+0x578/0x5ec [mtk_t7xx]\n process_one_work+0x154/0x2a0\n worker_thread+0x2ac/0x488\n kthread+0xe0/0xec\n ret_from_fork+0x10/0x20\n Code: f9400800 91001000 8b214001 d50332bf (f9000022)\n ---[ end trace 0000000000000000 ]---\n\nThe inclusion of io-64-nonatomic-lo-hi.h indicates that all 64bit\naccesses can be replaced by pairs of nonatomic 32bit access.  Fix\nalignment by forcing all accesses to be 32bit on 64bit platforms.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-35909"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/2e22c9cb618716b8e557fe17c3d4958171288082"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/7d5a7dd5a35876f0ecc286f3602a88887a788217"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/b4fdb3c197e35f655b2d9b6759ce29440eacdfda"
    },
    {
      "type": "WEB",
      "url": "https://git.kernel.org/stable/c/beaf0e7996b79e06ccc2bdcb4442fbaeccc31200"
    }
  ],
  "database_specific": {
    "cwe_ids": [],
    "severity": "MODERATE",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2024-05-19T09:15:11Z"
  }
}