mirror of
https://github.com/CVEProject/cvelist.git
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113 lines
7.7 KiB
JSON
113 lines
7.7 KiB
JSON
{
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"data_version": "4.0",
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"data_type": "CVE",
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"data_format": "MITRE",
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"CVE_data_meta": {
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"ID": "CVE-2022-49513",
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"ASSIGNER": "cve@kernel.org",
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"STATE": "PUBLIC"
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},
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"description": {
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"description_data": [
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{
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"lang": "eng",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\ncpufreq: governor: Use kobject release() method to free dbs_data\n\nThe struct dbs_data embeds a struct gov_attr_set and\nthe struct gov_attr_set embeds a kobject. Since every kobject must have\na release() method and we can't use kfree() to free it directly,\nso introduce cpufreq_dbs_data_release() to release the dbs_data via\nthe kobject::release() method. This fixes the calltrace like below:\n\n ODEBUG: free active (active state 0) object type: timer_list hint: delayed_work_timer_fn+0x0/0x34\n WARNING: CPU: 12 PID: 810 at lib/debugobjects.c:505 debug_print_object+0xb8/0x100\n Modules linked in:\n CPU: 12 PID: 810 Comm: sh Not tainted 5.16.0-next-20220120-yocto-standard+ #536\n Hardware name: Marvell OcteonTX CN96XX board (DT)\n pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)\n pc : debug_print_object+0xb8/0x100\n lr : debug_print_object+0xb8/0x100\n sp : ffff80001dfcf9a0\n x29: ffff80001dfcf9a0 x28: 0000000000000001 x27: ffff0001464f0000\n x26: 0000000000000000 x25: ffff8000090e3f00 x24: ffff80000af60210\n x23: ffff8000094dfb78 x22: ffff8000090e3f00 x21: ffff0001080b7118\n x20: ffff80000aeb2430 x19: ffff800009e8f5e0 x18: 0000000000000000\n x17: 0000000000000002 x16: 00004d62e58be040 x15: 013590470523aff8\n x14: ffff8000090e1828 x13: 0000000001359047 x12: 00000000f5257d14\n x11: 0000000000040591 x10: 0000000066c1ffea x9 : ffff8000080d15e0\n x8 : ffff80000a1765a8 x7 : 0000000000000000 x6 : 0000000000000001\n x5 : ffff800009e8c000 x4 : ffff800009e8c760 x3 : 0000000000000000\n x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff0001474ed040\n Call trace:\n debug_print_object+0xb8/0x100\n __debug_check_no_obj_freed+0x1d0/0x25c\n debug_check_no_obj_freed+0x24/0xa0\n kfree+0x11c/0x440\n cpufreq_dbs_governor_exit+0xa8/0xac\n cpufreq_exit_governor+0x44/0x90\n cpufreq_set_policy+0x29c/0x570\n store_scaling_governor+0x110/0x154\n store+0xb0/0xe0\n sysfs_kf_write+0x58/0x84\n kernfs_fop_write_iter+0x12c/0x1c0\n new_sync_write+0xf0/0x18c\n vfs_write+0x1cc/0x220\n ksys_write+0x74/0x100\n __arm64_sys_write+0x28/0x3c\n invoke_syscall.constprop.0+0x58/0xf0\n do_el0_svc+0x70/0x170\n el0_svc+0x54/0x190\n el0t_64_sync_handler+0xa4/0x130\n el0t_64_sync+0x1a0/0x1a4\n irq event stamp: 189006\n hardirqs last enabled at (189005): [<ffff8000080849d0>] finish_task_switch.isra.0+0xe0/0x2c0\n hardirqs last disabled at (189006): [<ffff8000090667a4>] el1_dbg+0x24/0xa0\n softirqs last enabled at (188966): [<ffff8000080106d0>] __do_softirq+0x4b0/0x6a0\n softirqs last disabled at (188957): [<ffff80000804a618>] __irq_exit_rcu+0x108/0x1a4\n\n[ rjw: Because can be freed by the gov_attr_set_put() in\n cpufreq_dbs_governor_exit() now, it is also necessary to put the\n invocation of the governor ->exit() callback into the new\n cpufreq_dbs_data_release() function. ]"
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}
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]
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},
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"problemtype": {
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"problemtype_data": [
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{
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"description": [
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{
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"lang": "eng",
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"value": "n/a"
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}
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]
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}
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]
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},
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"affects": {
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"vendor": {
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"vendor_data": [
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{
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"vendor_name": "Linux",
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"product": {
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"product_data": [
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{
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"product_name": "Linux",
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"version": {
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"version_data": [
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{
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"version_affected": "<",
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"version_name": "c4435630361d9bebf7154a0c842dc1fb7ae39c99",
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"version_value": "a1964688582d26af1328e19b658933659fb54337"
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},
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{
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"version_value": "not down converted",
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"x_cve_json_5_version_data": {
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"versions": [
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{
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"version": "4.6",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "4.6",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.15.91",
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"lessThanOrEqual": "5.15.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.18.3",
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"lessThanOrEqual": "5.18.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "5.19",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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],
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"defaultStatus": "affected"
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}
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}
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]
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}
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}
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]
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}
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}
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]
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}
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},
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"references": {
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"reference_data": [
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{
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"url": "https://git.kernel.org/stable/c/a1964688582d26af1328e19b658933659fb54337",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/a1964688582d26af1328e19b658933659fb54337"
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},
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{
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"url": "https://git.kernel.org/stable/c/1e32083f327184b6226ce320ef30085ce785ea4e",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/1e32083f327184b6226ce320ef30085ce785ea4e"
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},
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{
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"url": "https://git.kernel.org/stable/c/a85ee6401a47ae3fc64ba506cacb3e7873823c65",
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"refsource": "MISC",
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"name": "https://git.kernel.org/stable/c/a85ee6401a47ae3fc64ba506cacb3e7873823c65"
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}
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]
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},
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"generator": {
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"engine": "bippy-5f407fcff5a0"
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}
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} |