{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2022-49322", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2022-49322", "idYear": 2022, "status": "PUBLISHED", "publishedAt": "2025-02-26T02:10:46.658Z", "updatedAt": "2026-05-11T18:57:27.338Z", "importedAt": "2026-10-24T01:56:49.724Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "tracing: Fix sleeping function called from invalid context on RT kernel", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Fix sleeping function called from invalid context on RT kernel\n\nWhen setting bootparams=\"trace_event=initcall:initcall_start tp_printk=1\" in the\ncmdline, the output_printk() was called, and the spin_lock_irqsave() was called in the\natomic and irq disable interrupt context suitation. On the PREEMPT_RT kernel,\nthese locks are replaced with sleepable rt-spinlock, so the stack calltrace will\nbe triggered.\nFix it by raw_spin_lock_irqsave when PREEMPT_RT and \"trace_event=initcall:initcall_start\ntp_printk=1\" enabled.\n\n BUG: sleeping function called from invalid context at kernel/locking/spinlock_rt.c:46\n in_atomic(): 1, irqs_disabled(): 0, non_block: 0, pid: 1, name: swapper/0\n preempt_count: 2, expected: 0\n RCU nest depth: 0, expected: 0\n Preemption disabled at:\n [] try_to_wake_up+0x7e/0xba0\n CPU: 0 PID: 1 Comm: swapper/0 Not tainted 5.17.1-rt17+ #19 34c5812404187a875f32bee7977f7367f9679ea7\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.14.0-2 04/01/2014\n Call Trace:\n \n dump_stack_lvl+0x60/0x8c\n dump_stack+0x10/0x12\n __might_resched.cold+0x11d/0x155\n rt_spin_lock+0x40/0x70\n trace_event_buffer_commit+0x2fa/0x4c0\n ? map_vsyscall+0x93/0x93\n trace_event_raw_event_initcall_start+0xbe/0x110\n ? perf_trace_initcall_finish+0x210/0x210\n ? probe_sched_wakeup+0x34/0x40\n ? ttwu_do_wakeup+0xda/0x310\n ? trace_hardirqs_on+0x35/0x170\n ? map_vsyscall+0x93/0x93\n do_one_initcall+0x217/0x3c0\n ? trace_event_raw_event_initcall_level+0x170/0x170\n ? push_cpu_stop+0x400/0x400\n ? cblist_init_generic+0x241/0x290\n kernel_init_freeable+0x1ac/0x347\n ? _raw_spin_unlock_irq+0x65/0x80\n ? rest_init+0xf0/0xf0\n kernel_init+0x1e/0x150\n ret_from_fork+0x22/0x30\n ", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "0daa2302968c13b657118d6ac92471f8fd2f3f28", "status": "affected", "versionType": "git", "lessThan": "be1f323fb9d9b14a505ca22d742d321769454de1" }, { "version": "0daa2302968c13b657118d6ac92471f8fd2f3f28", "status": "affected", "versionType": "git", "lessThan": "40f9fde06b25884baa0c4bd138b909a9b67218b4" }, { "version": "0daa2302968c13b657118d6ac92471f8fd2f3f28", "status": "affected", "versionType": "git", "lessThan": "48c6ee7d6c614f09b2c8553a95eefef6ecf196e0" }, { "version": "0daa2302968c13b657118d6ac92471f8fd2f3f28", "status": "affected", "versionType": "git", "lessThan": "1788e6dbb61286215442b1af99e51405a6206762" }, { "version": "0daa2302968c13b657118d6ac92471f8fd2f3f28", "status": "affected", "versionType": "git", "lessThan": "9b534640a2c6a8d88168febc82ec6d161184f2ec" }, { "version": "0daa2302968c13b657118d6ac92471f8fd2f3f28", "status": "affected", "versionType": "git", "lessThan": "43bfc4dccc416c964b53cbdc430e814f8b6f770b" }, { "version": "0daa2302968c13b657118d6ac92471f8fd2f3f28", "status": "affected", "versionType": "git", "lessThan": "9abf3db8bdb63ab545034148ef2118f4d088ca59" }, { "version": "0daa2302968c13b657118d6ac92471f8fd2f3f28", "status": "affected", "versionType": "git", "lessThan": "12025abdc8539ed9d5014e2d647a3fd1bd3de5cd" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "3.19", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "3.19" }, { "version": "4.14.283", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.14.*" }, { "version": "4.19.247", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "4.19.*" }, { "version": "5.4.198", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.122", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.47", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "5.17.15", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.17.*" }, { "version": "5.18.4", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.18.*" }, { "version": "5.19", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }