{ "containers": { "cna": { "providerMetadata": { "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nusb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port\n\nA pending hrtimer may expire after the kthread_worker of tcpm port\nis destroyed, see below kernel dump when do module unload, fix it\nby cancel the 2 hrtimers.\n\n[ 111.517018] Unable to handle kernel paging request at virtual address ffff8000118cb880\n[ 111.518786] blk_update_request: I/O error, dev sda, sector 60061185 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0\n[ 111.526594] Mem abort info:\n[ 111.526597] ESR = 0x96000047\n[ 111.526600] EC = 0x25: DABT (current EL), IL = 32 bits\n[ 111.526604] SET = 0, FnV = 0\n[ 111.526607] EA = 0, S1PTW = 0\n[ 111.526610] Data abort info:\n[ 111.526612] ISV = 0, ISS = 0x00000047\n[ 111.526615] CM = 0, WnR = 1\n[ 111.526619] swapper pgtable: 4k pages, 48-bit VAs, pgdp=0000000041d75000\n[ 111.526623] [ffff8000118cb880] pgd=10000001bffff003, p4d=10000001bffff003, pud=10000001bfffe003, pmd=10000001bfffa003, pte=0000000000000000\n[ 111.526642] Internal error: Oops: 96000047 [#1] PREEMPT SMP\n[ 111.526647] Modules linked in: dwc3_imx8mp dwc3 phy_fsl_imx8mq_usb [last unloaded: tcpci]\n[ 111.526663] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.13.0-rc4-00927-gebbe9dbd802c-dirty #36\n[ 111.526670] Hardware name: NXP i.MX8MPlus EVK board (DT)\n[ 111.526674] pstate: 800000c5 (Nzcv daIF -PAN -UAO -TCO BTYPE=--)\n[ 111.526681] pc : queued_spin_lock_slowpath+0x1a0/0x390\n[ 111.526695] lr : _raw_spin_lock_irqsave+0x88/0xb4\n[ 111.526703] sp : ffff800010003e20\n[ 111.526706] x29: ffff800010003e20 x28: ffff00017f380180\n[ 111.537156] buffer_io_error: 6 callbacks suppressed\n[ 111.537162] Buffer I/O error on dev sda1, logical block 60040704, async page read\n[ 111.539932] x27: ffff00017f3801c0\n[ 111.539938] x26: ffff800010ba2490 x25: 0000000000000000 x24: 0000000000000001\n[ 111.543025] blk_update_request: I/O error, dev sda, sector 60061186 op 0x0:(READ) flags 0x0 phys_seg 7 prio class 0\n[ 111.548304]\n[ 111.548306] x23: 00000000000000c0 x22: ffff0000c2a9f184 x21: ffff00017f380180\n[ 111.551374] Buffer I/O error on dev sda1, logical block 60040705, async page read\n[ 111.554499]\n[ 111.554503] x20: ffff0000c5f14210 x19: 00000000000000c0 x18: 0000000000000000\n[ 111.557391] Buffer I/O error on dev sda1, logical block 60040706, async page read\n[ 111.561218]\n[ 111.561222] x17: 0000000000000000 x16: 0000000000000000 x15: 0000000000000000\n[ 111.564205] Buffer I/O error on dev sda1, logical block 60040707, async page read\n[ 111.570887] x14: 00000000000000f5 x13: 0000000000000001 x12: 0000000000000040\n[ 111.570902] x11: ffff0000c05ac6d8\n[ 111.583420] Buffer I/O error on dev sda1, logical block 60040708, async page read\n[ 111.588978] x10: 0000000000000000 x9 : 0000000000040000\n[ 111.588988] x8 : 0000000000000000\n[ 111.597173] Buffer I/O error on dev sda1, logical block 60040709, async page read\n[ 111.605766] x7 : ffff00017f384880 x6 : ffff8000118cb880\n[ 111.605777] x5 : ffff00017f384880\n[ 111.611094] Buffer I/O error on dev sda1, logical block 60040710, async page read\n[ 111.617086] x4 : 0000000000000000 x3 : ffff0000c2a9f184\n[ 111.617096] x2 : ffff8000118cb880\n[ 111.622242] Buffer I/O error on dev sda1, logical block 60040711, async page read\n[ 111.626927] x1 : ffff8000118cb880 x0 : ffff00017f384888\n[ 111.626938] Call trace:\n[ 111.626942] queued_spin_lock_slowpath+0x1a0/0x390\n[ 111.795809] kthread_queue_work+0x30/0xc0\n[ 111.799828] state_machine_timer_handler+0x20/0x30\n[ 111.804624] __hrtimer_run_queues+0x140/0x1e0\n[ 111.808990] hrtimer_interrupt+0xec/0x2c0\n[ 111.813004] arch_timer_handler_phys+0x38/0x50\n[ 111.817456] handle_percpu_devid_irq+0x88/0x150\n[ 111.821991] __handle_domain_irq+0x80/0xe0\n[ 111.826093] gic_handle_irq+0xc0/0x140\n[ 111.829848] el1_irq+0xbc/0x154\n[ 111.832991] arch_cpu_idle+0x1c/0x2c\n[ 111.836572] default_idle_call+0x24/0x6c\n[ 111.840497] do_idle+0x238/0x2ac\n[ 1\n---truncated---" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/usb/typec/tcpm/tcpm.c" ], "versions": [ { "version": "3ed8e1c2ac99", "lessThan": "18eaf0de50ea", "status": "affected", "versionType": "git" }, { "version": "3ed8e1c2ac99", "lessThan": "d0a06696a8a4", "status": "affected", "versionType": "git" }, { "version": "3ed8e1c2ac99", "lessThan": "3a13ff7ef434", "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/usb/typec/tcpm/tcpm.c" ], "versions": [ { "version": "5.10", "status": "affected" }, { "version": "0", "lessThan": "5.10", "status": "unaffected", "versionType": "custom" }, { "version": "5.10.44", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.12.11", "lessThanOrEqual": "5.12.*", "status": "unaffected", "versionType": "custom" }, { "version": "5.13", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/18eaf0de50eadeeb395b83310b259b21ad8ed0a6" }, { "url": "https://git.kernel.org/stable/c/d0a06696a8a4d99f649240b6f9b8a2e55452ecf5" }, { "url": "https://git.kernel.org/stable/c/3a13ff7ef4349d70d1d18378d661117dd5af8efe" } ], "title": "usb: typec: tcpm: cancel vdm and state machine hrtimer when unregister tcpm port", "x_generator": { "engine": "bippy-a5840b7849dd" } } }, "cveMetadata": { "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", "cveID": "CVE-2021-47268", "requesterUserId": "gregkh@kernel.org", "serial": "1", "state": "PUBLISHED" }, "dataType": "CVE_RECORD", "dataVersion": "5.0" }