{"id":"DEBIAN-CVE-2022-49383","details":"In the Linux kernel, the following vulnerability has been resolved:  watchdog: rzg2l_wdt: Fix 'BUG: Invalid wait context'  This patch fixes the issue 'BUG: Invalid wait context' during restart() callback by using clk_prepare_enable() instead of pm_runtime_get_sync() for turning on the clocks during restart.  This issue is noticed when testing with renesas_defconfig.  [   42.213802] reboot: Restarting system [   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-\u003emlock){+.+.}-{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","modified":"2026-09-01T20:04:54.563192588Z","published":"2025-02-26T07:01:14.917Z","upstream":["CVE-2022-49383"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49383"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49383.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49383.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.5-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49383.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}