CVE-2024-35909 (GCVE-0-2024-35909)

Vulnerability from cvelistv5 – Published: 2024-05-19 08:35 – Updated: 2025-05-04 09:08
VLAI?
Title
net: wwan: t7xx: Split 64bit accesses to fix alignment issues
Summary
In the Linux kernel, the following vulnerability has been resolved: net: wwan: t7xx: Split 64bit accesses to fix alignment issues Some of the registers are aligned on a 32bit boundary, causing alignment faults on 64bit platforms. Unable to handle kernel paging request at virtual address ffffffc084a1d004 Mem abort info: ESR = 0x0000000096000061 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x21: alignment fault Data abort info: ISV = 0, ISS = 0x00000061, ISS2 = 0x00000000 CM = 0, WnR = 1, TnD = 0, TagAccess = 0 GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 swapper pgtable: 4k pages, 39-bit VAs, pgdp=0000000046ad6000 [ffffffc084a1d004] pgd=100000013ffff003, p4d=100000013ffff003, pud=100000013ffff003, pmd=0068000020a00711 Internal error: Oops: 0000000096000061 [#1] SMP 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 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 CPU: 3 PID: 5266 Comm: kworker/u9:1 Tainted: G O 6.6.22 #0 Hardware name: Bananapi BPI-R4 (DT) Workqueue: md_hk_wq t7xx_fsm_uninit [mtk_t7xx] pstate: 804000c5 (Nzcv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : t7xx_cldma_hw_set_start_addr+0x1c/0x3c [mtk_t7xx] lr : t7xx_cldma_start+0xac/0x13c [mtk_t7xx] sp : ffffffc085d63d30 x29: ffffffc085d63d30 x28: 0000000000000000 x27: 0000000000000000 x26: 0000000000000000 x25: ffffff80c804f2c0 x24: ffffff80ca196c05 x23: 0000000000000000 x22: ffffff80c814b9b8 x21: ffffff80c814b128 x20: 0000000000000001 x19: ffffff80c814b080 x18: 0000000000000014 x17: 0000000055c9806b x16: 000000007c5296d0 x15: 000000000f6bca68 x14: 00000000dbdbdce4 x13: 000000001aeaf72a x12: 0000000000000001 x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000 x8 : ffffff80ca1ef6b4 x7 : ffffff80c814b818 x6 : 0000000000000018 x5 : 0000000000000870 x4 : 0000000000000000 x3 : 0000000000000000 x2 : 000000010a947000 x1 : ffffffc084a1d004 x0 : ffffffc084a1d004 Call trace: t7xx_cldma_hw_set_start_addr+0x1c/0x3c [mtk_t7xx] t7xx_fsm_uninit+0x578/0x5ec [mtk_t7xx] process_one_work+0x154/0x2a0 worker_thread+0x2ac/0x488 kthread+0xe0/0xec ret_from_fork+0x10/0x20 Code: f9400800 91001000 8b214001 d50332bf (f9000022) ---[ end trace 0000000000000000 ]--- The inclusion of io-64-nonatomic-lo-hi.h indicates that all 64bit accesses can be replaced by pairs of nonatomic 32bit access. Fix alignment by forcing all accesses to be 32bit on 64bit platforms.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
Vendor Product Version
Linux Linux Affected: 39d439047f1dc88f98b755d6f3a53a4ef8f0de21 , < beaf0e7996b79e06ccc2bdcb4442fbaeccc31200 (git)
Affected: 39d439047f1dc88f98b755d6f3a53a4ef8f0de21 , < 2e22c9cb618716b8e557fe17c3d4958171288082 (git)
Affected: 39d439047f1dc88f98b755d6f3a53a4ef8f0de21 , < b4fdb3c197e35f655b2d9b6759ce29440eacdfda (git)
Affected: 39d439047f1dc88f98b755d6f3a53a4ef8f0de21 , < 7d5a7dd5a35876f0ecc286f3602a88887a788217 (git)
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    Linux Linux Affected: 5.19
Unaffected: 0 , < 5.19 (semver)
Unaffected: 6.1.85 , ≤ 6.1.* (semver)
Unaffected: 6.6.26 , ≤ 6.6.* (semver)
Unaffected: 6.8.5 , ≤ 6.8.* (semver)
Unaffected: 6.9 , ≤ * (original_commit_for_fix)
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{\"status\": \"affected\", \"version\": \"39d439047f1dc88f98b755d6f3a53a4ef8f0de21\", \"lessThan\": \"7d5a7dd5a35876f0ecc286f3602a88887a788217\", \"versionType\": \"git\"}], \"programFiles\": [\"drivers/net/wwan/t7xx/t7xx_cldma.c\", \"drivers/net/wwan/t7xx/t7xx_hif_cldma.c\", \"drivers/net/wwan/t7xx/t7xx_pcie_mac.c\"], \"defaultStatus\": \"unaffected\"}, {\"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\", \"vendor\": \"Linux\", \"product\": \"Linux\", \"versions\": [{\"status\": \"affected\", \"version\": \"5.19\"}, {\"status\": \"unaffected\", \"version\": \"0\", \"lessThan\": \"5.19\", \"versionType\": \"semver\"}, {\"status\": \"unaffected\", \"version\": \"6.1.85\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.1.*\"}, {\"status\": \"unaffected\", \"version\": \"6.6.26\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.6.*\"}, {\"status\": \"unaffected\", \"version\": \"6.8.5\", \"versionType\": \"semver\", \"lessThanOrEqual\": \"6.8.*\"}, {\"status\": \"unaffected\", \"version\": \"6.9\", \"versionType\": \"original_commit_for_fix\", \"lessThanOrEqual\": \"*\"}], \"programFiles\": [\"drivers/net/wwan/t7xx/t7xx_cldma.c\", \"drivers/net/wwan/t7xx/t7xx_hif_cldma.c\", \"drivers/net/wwan/t7xx/t7xx_pcie_mac.c\"], \"defaultStatus\": \"affected\"}], \"references\": [{\"url\": \"https://git.kernel.org/stable/c/beaf0e7996b79e06ccc2bdcb4442fbaeccc31200\"}, {\"url\": \"https://git.kernel.org/stable/c/2e22c9cb618716b8e557fe17c3d4958171288082\"}, {\"url\": \"https://git.kernel.org/stable/c/b4fdb3c197e35f655b2d9b6759ce29440eacdfda\"}, {\"url\": \"https://git.kernel.org/stable/c/7d5a7dd5a35876f0ecc286f3602a88887a788217\"}], \"x_generator\": {\"engine\": \"bippy-1.2.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"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.\"}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.1.85\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.6.26\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.8.5\", \"versionStartIncluding\": \"5.19\"}, {\"criteria\": \"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.9\", \"versionStartIncluding\": \"5.19\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"shortName\": \"Linux\", \"dateUpdated\": \"2025-05-04T09:08:09.788Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2024-35909\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-05-04T09:08:09.788Z\", \"dateReserved\": \"2024-05-17T13:50:33.121Z\", \"assignerOrgId\": \"416baaa9-dc9f-4396-8d5f-8c081fb06d67\", \"datePublished\": \"2024-05-19T08:35:02.446Z\", \"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.
  • 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.



Detection rules are retrieved from Rulezet.