| { |
| "containers": { |
| "cna": { |
| "providerMetadata": { |
| "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038" |
| }, |
| "descriptions": [ |
| { |
| "lang": "en", |
| "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nLoongArch: Only call get_timer_irq() once in constant_clockevent_init()\n\nUnder CONFIG_DEBUG_ATOMIC_SLEEP=y and CONFIG_DEBUG_PREEMPT=y, we can see\nthe following messages on LoongArch, this is because using might_sleep()\nin preemption disable context.\n\n[ 0.001127] smp: Bringing up secondary CPUs ...\n[ 0.001222] Booting CPU#1...\n[ 0.001244] 64-bit Loongson Processor probed (LA464 Core)\n[ 0.001247] CPU1 revision is: 0014c012 (Loongson-64bit)\n[ 0.001250] FPU1 revision is: 00000000\n[ 0.001252] BUG: sleeping function called from invalid context at kernel/locking/mutex.c:283\n[ 0.001255] in_atomic(): 1, irqs_disabled(): 1, non_block: 0, pid: 0, name: swapper/1\n[ 0.001257] preempt_count: 1, expected: 0\n[ 0.001258] RCU nest depth: 0, expected: 0\n[ 0.001259] Preemption disabled at:\n[ 0.001261] [<9000000000223800>] arch_dup_task_struct+0x20/0x110\n[ 0.001272] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc7+ #43\n[ 0.001275] Hardware name: Loongson Loongson-3A5000-7A1000-1w-A2101/Loongson-LS3A5000-7A1000-1w-A2101, BIOS vUDK2018-LoongArch-V4.0.05132-beta10 12/13/202\n[ 0.001277] Stack : 0072617764726148 0000000000000000 9000000000222f1c 90000001001e0000\n[ 0.001286] 90000001001e3be0 90000001001e3be8 0000000000000000 0000000000000000\n[ 0.001292] 90000001001e3be8 0000000000000040 90000001001e3cb8 90000001001e3a50\n[ 0.001297] 9000000001642000 90000001001e3be8 be694d10ce4139dd 9000000100174500\n[ 0.001303] 0000000000000001 0000000000000001 00000000ffffe0a2 0000000000000020\n[ 0.001309] 000000000000002f 9000000001354116 00000000056b0000 ffffffffffffffff\n[ 0.001314] 0000000000000000 0000000000000000 90000000014f6e90 9000000001642000\n[ 0.001320] 900000000022b69c 0000000000000001 0000000000000000 9000000001736a90\n[ 0.001325] 9000000100038000 0000000000000000 9000000000222f34 0000000000000000\n[ 0.001331] 00000000000000b0 0000000000000004 0000000000000000 0000000000070000\n[ 0.001337] ...\n[ 0.001339] Call Trace:\n[ 0.001342] [<9000000000222f34>] show_stack+0x5c/0x180\n[ 0.001346] [<90000000010bdd80>] dump_stack_lvl+0x60/0x88\n[ 0.001352] [<9000000000266418>] __might_resched+0x180/0x1cc\n[ 0.001356] [<90000000010c742c>] mutex_lock+0x20/0x64\n[ 0.001359] [<90000000002a8ccc>] irq_find_matching_fwspec+0x48/0x124\n[ 0.001364] [<90000000002259c4>] constant_clockevent_init+0x68/0x204\n[ 0.001368] [<900000000022acf4>] start_secondary+0x40/0xa8\n[ 0.001371] [<90000000010c0124>] smpboot_entry+0x60/0x64\n\nHere are the complete call chains:\n\nsmpboot_entry()\n start_secondary()\n constant_clockevent_init()\n get_timer_irq()\n irq_find_matching_fwnode()\n irq_find_matching_fwspec()\n mutex_lock()\n might_sleep()\n __might_sleep()\n __might_resched()\n\nIn order to avoid the above issue, we should break the call chains,\nusing timer_irq_installed variable as check condition to only call\nget_timer_irq() once in constant_clockevent_init() is a simple and\nproper way." |
| } |
| ], |
| "affected": [ |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "unaffected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/loongarch/kernel/time.c" |
| ], |
| "versions": [ |
| { |
| "version": "fa96b57c149061f71a70bd6582d995f6424fbbf4", |
| "lessThan": "b9c379e1d7e141b102f41858c9b8f6f36e7c89a4", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "fa96b57c149061f71a70bd6582d995f6424fbbf4", |
| "lessThan": "acadbd058fa12b510fbecca11eae22bd6f654250", |
| "status": "affected", |
| "versionType": "git" |
| }, |
| { |
| "version": "fa96b57c149061f71a70bd6582d995f6424fbbf4", |
| "lessThan": "bb7a78e343468873bf00b2b181fcfd3c02d8cb56", |
| "status": "affected", |
| "versionType": "git" |
| } |
| ] |
| }, |
| { |
| "product": "Linux", |
| "vendor": "Linux", |
| "defaultStatus": "affected", |
| "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", |
| "programFiles": [ |
| "arch/loongarch/kernel/time.c" |
| ], |
| "versions": [ |
| { |
| "version": "5.19", |
| "status": "affected" |
| }, |
| { |
| "version": "0", |
| "lessThan": "5.19", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.1.21", |
| "lessThanOrEqual": "6.1.*", |
| "status": "unaffected", |
| "versionType": "semver" |
| }, |
| { |
| "version": "6.2.8", |
| "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": "5.19", |
| "versionEndExcluding": "6.1.21" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.19", |
| "versionEndExcluding": "6.2.8" |
| }, |
| { |
| "vulnerable": true, |
| "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", |
| "versionStartIncluding": "5.19", |
| "versionEndExcluding": "6.3" |
| } |
| ] |
| } |
| ] |
| } |
| ], |
| "references": [ |
| { |
| "url": "https://git.kernel.org/stable/c/b9c379e1d7e141b102f41858c9b8f6f36e7c89a4" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/acadbd058fa12b510fbecca11eae22bd6f654250" |
| }, |
| { |
| "url": "https://git.kernel.org/stable/c/bb7a78e343468873bf00b2b181fcfd3c02d8cb56" |
| } |
| ], |
| "title": "LoongArch: Only call get_timer_irq() once in constant_clockevent_init()", |
| "x_generator": { |
| "engine": "bippy-1.2.0" |
| } |
| } |
| }, |
| "cveMetadata": { |
| "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038", |
| "cveID": "CVE-2023-53067", |
| "requesterUserId": "gregkh@kernel.org", |
| "serial": "1", |
| "state": "PUBLISHED" |
| }, |
| "dataType": "CVE_RECORD", |
| "dataVersion": "5.0" |
| } |
