{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53582", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-10-04T15:14:15.926Z", "datePublished": "2025-10-04T15:43:58.493Z", "dateUpdated": "2026-05-11T19:47:51.395Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:47:51.395Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nwifi: brcmfmac: ensure CLM version is null-terminated to prevent stack-out-of-bounds\n\nFix a stack-out-of-bounds read in brcmfmac that occurs\nwhen 'buf' that is not null-terminated is passed as an argument of\nstrreplace() in brcmf_c_preinit_dcmds(). This buffer is filled with\na CLM version string by memcpy() in brcmf_fil_iovar_data_get().\nEnsure buf is null-terminated.\n\nFound by a modified version of syzkaller.\n\n[ 33.004414][ T1896] brcmfmac: brcmf_c_process_clm_blob: no clm_blob available (err=-2), device may have limited channels available\n[ 33.013486][ T1896] brcmfmac: brcmf_c_preinit_dcmds: Firmware: BCM43236/3 wl0: Nov 30 2011 17:33:42 version 5.90.188.22\n[ 33.021554][ T1896] ==================================================================\n[ 33.022379][ T1896] BUG: KASAN: stack-out-of-bounds in strreplace+0xf2/0x110\n[ 33.023122][ T1896] Read of size 1 at addr ffffc90001d6efc8 by task kworker/0:2/1896\n[ 33.023852][ T1896]\n[ 33.024096][ T1896] CPU: 0 PID: 1896 Comm: kworker/0:2 Tainted: G O 5.14.0+ #132\n[ 33.024927][ T1896] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.1-0-ga5cab58e9a3f-prebuilt.qemu.org 04/01/2014\n[ 33.026065][ T1896] Workqueue: usb_hub_wq hub_event\n[ 33.026581][ T1896] Call Trace:\n[ 33.026896][ T1896] dump_stack_lvl+0x57/0x7d\n[ 33.027372][ T1896] print_address_description.constprop.0.cold+0xf/0x334\n[ 33.028037][ T1896] ? strreplace+0xf2/0x110\n[ 33.028403][ T1896] ? strreplace+0xf2/0x110\n[ 33.028807][ T1896] kasan_report.cold+0x83/0xdf\n[ 33.029283][ T1896] ? strreplace+0xf2/0x110\n[ 33.029666][ T1896] strreplace+0xf2/0x110\n[ 33.029966][ T1896] brcmf_c_preinit_dcmds+0xab1/0xc40\n[ 33.030351][ T1896] ? brcmf_c_set_joinpref_default+0x100/0x100\n[ 33.030787][ T1896] ? rcu_read_lock_sched_held+0xa1/0xd0\n[ 33.031223][ T1896] ? rcu_read_lock_bh_held+0xb0/0xb0\n[ 33.031661][ T1896] ? lock_acquire+0x19d/0x4e0\n[ 33.032091][ T1896] ? find_held_lock+0x2d/0x110\n[ 33.032605][ T1896] ? brcmf_usb_deq+0x1a7/0x260\n[ 33.033087][ T1896] ? brcmf_usb_rx_fill_all+0x5a/0xf0\n[ 33.033582][ T1896] brcmf_attach+0x246/0xd40\n[ 33.034022][ T1896] ? wiphy_new_nm+0x1476/0x1d50\n[ 33.034383][ T1896] ? kmemdup+0x30/0x40\n[ 33.034722][ T1896] brcmf_usb_probe+0x12de/0x1690\n[ 33.035223][ T1896] ? brcmf_usbdev_qinit.constprop.0+0x470/0x470\n[ 33.035833][ T1896] usb_probe_interface+0x25f/0x710\n[ 33.036315][ T1896] really_probe+0x1be/0xa90\n[ 33.036656][ T1896] __driver_probe_device+0x2ab/0x460\n[ 33.037026][ T1896] ? usb_match_id.part.0+0x88/0xc0\n[ 33.037383][ T1896] driver_probe_device+0x49/0x120\n[ 33.037790][ T1896] __device_attach_driver+0x18a/0x250\n[ 33.038300][ T1896] ? driver_allows_async_probing+0x120/0x120\n[ 33.038986][ T1896] bus_for_each_drv+0x123/0x1a0\n[ 33.039906][ T1896] ? bus_rescan_devices+0x20/0x20\n[ 33.041412][ T1896] ? lockdep_hardirqs_on_prepare+0x273/0x3e0\n[ 33.041861][ T1896] ? trace_hardirqs_on+0x1c/0x120\n[ 33.042330][ T1896] __device_attach+0x207/0x330\n[ 33.042664][ T1896] ? device_bind_driver+0xb0/0xb0\n[ 33.043026][ T1896] ? kobject_uevent_env+0x230/0x12c0\n[ 33.043515][ T1896] bus_probe_device+0x1a2/0x260\n[ 33.043914][ T1896] device_add+0xa61/0x1ce0\n[ 33.044227][ T1896] ? __mutex_unlock_slowpath+0xe7/0x660\n[ 33.044891][ T1896] ? __fw_devlink_link_to_suppliers+0x550/0x550\n[ 33.045531][ T1896] usb_set_configuration+0x984/0x1770\n[ 33.046051][ T1896] ? kernfs_create_link+0x175/0x230\n[ 33.046548][ T1896] usb_generic_driver_probe+0x69/0x90\n[ 33.046931][ T1896] usb_probe_device+0x9c/0x220\n[ 33.047434][ T1896] really_probe+0x1be/0xa90\n[ 33.047760][ T1896] __driver_probe_device+0x2ab/0x460\n[ 33.048134][ T1896] driver_probe_device+0x49/0x120\n[ 33.048516][ T1896] __device_attach_driver+0x18a/0x250\n[ 33.048910][ T1896] ? driver_allows_async_probing+0x120/0x120\n---truncated---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c" ], "versions": [ { "version": "fdd0bd88ceaecf729db103ac8836af5805dd2dc1", "lessThan": "3b173b4ad9c001a555f44adc7836d6fe3afbe9ec", "status": "affected", "versionType": "git" }, { "version": "fdd0bd88ceaecf729db103ac8836af5805dd2dc1", "lessThan": "423a1297ea72bbddf64dbb0957f2879c0f2aa5d0", "status": "affected", "versionType": "git" }, { "version": "fdd0bd88ceaecf729db103ac8836af5805dd2dc1", "lessThan": "0ca2efea4f11c6255061e852ac188264c469c197", "status": "affected", "versionType": "git" }, { "version": "fdd0bd88ceaecf729db103ac8836af5805dd2dc1", "lessThan": "a0f0ce1c8ab9fe90618dc394e3d1568b5a9ac154", "status": "affected", "versionType": "git" }, { "version": "fdd0bd88ceaecf729db103ac8836af5805dd2dc1", "lessThan": "ecb980dc79709c02f579a9c03cb92ccec189ab38", "status": "affected", "versionType": "git" }, { "version": "fdd0bd88ceaecf729db103ac8836af5805dd2dc1", "lessThan": "c02f733024d70105f22de8dd0a1252a0350cd516", "status": "affected", "versionType": "git" }, { "version": "fdd0bd88ceaecf729db103ac8836af5805dd2dc1", "lessThan": "660145d708be52f946a82e5b633c020f58f996de", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/wireless/broadcom/brcm80211/brcmfmac/common.c" ], "versions": [ { "version": "4.15", "status": "affected" }, { "version": "0", "lessThan": "4.15", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.276", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.235", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.173", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.99", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.16", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2.3", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "4.19.276" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.4.235" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.10.173" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "5.15.99" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.1.16" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.2.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "4.15", "versionEndExcluding": "6.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/3b173b4ad9c001a555f44adc7836d6fe3afbe9ec" }, { "url": "https://git.kernel.org/stable/c/423a1297ea72bbddf64dbb0957f2879c0f2aa5d0" }, { "url": "https://git.kernel.org/stable/c/0ca2efea4f11c6255061e852ac188264c469c197" }, { "url": "https://git.kernel.org/stable/c/a0f0ce1c8ab9fe90618dc394e3d1568b5a9ac154" }, { "url": "https://git.kernel.org/stable/c/ecb980dc79709c02f579a9c03cb92ccec189ab38" }, { "url": "https://git.kernel.org/stable/c/c02f733024d70105f22de8dd0a1252a0350cd516" }, { "url": "https://git.kernel.org/stable/c/660145d708be52f946a82e5b633c020f58f996de" } ], "title": "wifi: brcmfmac: ensure CLM version is null-terminated to prevent stack-out-of-bounds", "x_generator": { "engine": "bippy-1.2.0" } } } }