{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-05-06T09:18:36.943","vulnerabilities":[{"cve":{"id":"CVE-2022-49383","sourceIdentifier":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","published":"2025-02-26T07:01:14.917","lastModified":"2025-10-21T12:15:39.350","vulnStatus":"Analyzed","cveTags":[],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nwatchdog: rzg2l_wdt: Fix 'BUG: Invalid wait context'\n\nThis patch fixes the issue 'BUG: Invalid wait context' during restart()\ncallback by using clk_prepare_enable() instead of pm_runtime_get_sync()\nfor turning on the clocks during restart.\n\nThis issue is noticed when testing with renesas_defconfig.\n\n[   42.213802] reboot: Restarting system\n[   42.217860]\n[   42.219364] =============================\n[   42.223368] [ BUG: Invalid wait context ]\n[   42.227372] 5.17.0-rc5-arm64-renesas-00002-g10393723e35e #522 Not tainted\n[   42.234153] -----------------------------\n[   42.238155] systemd-shutdow/1 is trying to lock:\n[   42.242766] ffff00000a650828 (&genpd->mlock){+.+.}-{3:3}, at: genpd_lock_mtx+0x14/0x20\n[   42.250709] other info that might help us debug this:\n[   42.255753] context-{4:4}\n[   42.258368] 2 locks held by systemd-shutdow/1:\n[   42.262806]  #0: ffff80000944e1c8 (system_transition_mutex#2){+.+.}-{3:3}, at: __do_sys_reboot+0xd0/0x250\n[   42.272388]  #1: ffff8000094c4e40 (rcu_read_lock){....}-{1:2}, at: atomic_notifier_call_chain+0x0/0x150\n[   42.281795] stack backtrace:\n[   42.284672] CPU: 0 PID: 1 Comm: systemd-shutdow Not tainted 5.17.0-rc5-arm64-renesas-00002-g10393723e35e #522\n[   42.294577] Hardware name: Renesas SMARC EVK based on r9a07g044c2 (DT)\n[   42.301096] Call trace:\n[   42.303538]  dump_backtrace+0xcc/0xd8\n[   42.307203]  show_stack+0x14/0x30\n[   42.310517]  dump_stack_lvl+0x88/0xb0\n[   42.314180]  dump_stack+0x14/0x2c\n[   42.317492]  __lock_acquire+0x1b24/0x1b50\n[   42.321502]  lock_acquire+0x120/0x3a8\n[   42.325162]  __mutex_lock+0x84/0x8f8\n[   42.328737]  mutex_lock_nested+0x30/0x58\n[   42.332658]  genpd_lock_mtx+0x14/0x20\n[   42.336319]  genpd_runtime_resume+0xc4/0x228\n[   42.340587]  __rpm_callback+0x44/0x170\n[   42.344337]  rpm_callback+0x64/0x70\n[   42.347824]  rpm_resume+0x4e0/0x6b8\n[   42.351310]  __pm_runtime_resume+0x50/0x78\n[   42.355404]  rzg2l_wdt_restart+0x28/0x68\n[   42.359329]  watchdog_restart_notifier+0x1c/0x30\n[   42.363943]  atomic_notifier_call_chain+0x94/0x150\n[   42.368732]  do_kernel_restart+0x24/0x30\n[   42.372652]  machine_restart+0x44/0x70\n[   42.376399]  kernel_restart+0x3c/0x60\n[   42.380058]  __do_sys_reboot+0x228/0x250\n[   42.383977]  __arm64_sys_reboot+0x20/0x28\n[   42.387983]  invoke_syscall+0x40/0xf8"},{"lang":"es","value":"En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: watchdog: rzg2l_wdt: Fix 'BUG: Invalid wait context' Este parche corrige el problema 'BUG: Invalid wait context' durante la devolución de llamada restart() al usar clk_prepare_enable() en lugar de pm_runtime_get_sync() para encender los relojes durante el reinicio. Este problema se detecta al realizar pruebas con renesas_defconfig. [ 42.213802] reiniciar: Reiniciando el sistema [ 42.217860] [ 42.219364] ============================== [ 42.223368] [ BUG: Invalid wait context ] [ 42.227372] 5.17.0-rc5-arm64-renesas-00002-g10393723e35e #522 Not tainted [ 42.234153] ----------------------------- [ 42.238155] systemd-shutdow/1 is trying to lock: [ 42.242766] ffff00000a650828 (&genpd->mlock){+.+.}-{3:3}, at: genpd_lock_mtx+0x14/0x20 [ 42.250709] other info that might help us debug this: [ 42.255753] context-{4:4} [ 42.258368] 2 locks held by systemd-shutdow/1: [ 42.262806] #0: ffff80000944e1c8 (system_transition_mutex#2){+.+.}-{3:3}, at: __do_sys_reboot+0xd0/0x250 [ 42.272388] #1: ffff8000094c4e40 (rcu_read_lock){....}-{1:2}, at: atomic_notifier_call_chain+0x0/0x150 [ 42.281795] stack backtrace: [ 42.284672] CPU: 0 PID: 1 Comm: systemd-shutdow Not tainted 5.17.0-rc5-arm64-renesas-00002-g10393723e35e #522 [ 42.294577] Hardware name: Renesas SMARC EVK based on r9a07g044c2 (DT) [ 42.301096] Call trace: [ 42.303538] dump_backtrace+0xcc/0xd8 [ 42.307203] show_stack+0x14/0x30 [ 42.310517] dump_stack_lvl+0x88/0xb0 [ 42.314180] dump_stack+0x14/0x2c [ 42.317492] __lock_acquire+0x1b24/0x1b50 [ 42.321502] lock_acquire+0x120/0x3a8 [ 42.325162] __mutex_lock+0x84/0x8f8 [ 42.328737] mutex_lock_nested+0x30/0x58 [ 42.332658] genpd_lock_mtx+0x14/0x20 [ 42.336319] genpd_runtime_resume+0xc4/0x228 [ 42.340587] __rpm_callback+0x44/0x170 [ 42.344337] rpm_callback+0x64/0x70 [ 42.347824] rpm_resume+0x4e0/0x6b8 [ 42.351310] __pm_runtime_resume+0x50/0x78 [ 42.355404] rzg2l_wdt_restart+0x28/0x68 [ 42.359329] watchdog_restart_notifier+0x1c/0x30 [ 42.363943] atomic_notifier_call_chain+0x94/0x150 [ 42.368732] do_kernel_restart+0x24/0x30 [ 42.372652] machine_restart+0x44/0x70 [ 42.376399] kernel_restart+0x3c/0x60 [ 42.380058] __do_sys_reboot+0x228/0x250 [ 42.383977] __arm64_sys_reboot+0x20/0x28 [ 42.387983] invoke_syscall+0x40/0xf8 "}],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","baseScore":5.5,"baseSeverity":"MEDIUM","attackVector":"LOCAL","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":1.8,"impactScore":3.6}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"NVD-CWE-noinfo"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.17","versionEndExcluding":"5.17.15","matchCriteriaId":"A5433C40-FA2E-4DDC-BBD9-8C7F577788FC"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.18","versionEndExcluding":"5.18.4","matchCriteriaId":"FA6D643C-6D6A-4821-8A8D-B5776B8F0103"}]}]}],"references":[{"url":"https://git.kernel.org/stable/c/0a635239cd5484d8f2e702713ccc49ec82aa7594","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/6505541e5298cea2b79da68ee626f583f8e18784","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]},{"url":"https://git.kernel.org/stable/c/e4cf89596c1f1e33309556699f910ced4abbaf44","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":["Patch"]}]}}]}