CVE - CVE-2022-49537

CVE-ID
CVE-2022-49537	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
In the Linux kernel, the following vulnerability has been resolved: scsi: lpfc: Fix call trace observed during I/O with CMF enabled The following was seen with CMF enabled: BUG: using smp_processor_id() in preemptible code: systemd-udevd/31711 kernel: caller is lpfc_update_cmf_cmd+0x214/0x420 [lpfc] kernel: CPU: 12 PID: 31711 Comm: systemd-udevd kernel: Call Trace: kernel: <TASK> kernel: dump_stack_lvl+0x44/0x57 kernel: check_preemption_disabled+0xbf/0xe0 kernel: lpfc_update_cmf_cmd+0x214/0x420 [lpfc] kernel: lpfc_nvme_fcp_io_submit+0x23b4/0x4df0 [lpfc] this_cpu_ptr() calls smp_processor_id() in a preemptible context. Fix by using per_cpu_ptr() with raw_smp_processor_id() instead.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
MISC:https://git.kernel.org/stable/c/517e0835cfb2007713ff16c4fb8479f08b16aec7 URL:https://git.kernel.org/stable/c/517e0835cfb2007713ff16c4fb8479f08b16aec7 MISC:https://git.kernel.org/stable/c/ae373d66c427812754db5292eb1481b181daf9ce URL:https://git.kernel.org/stable/c/ae373d66c427812754db5292eb1481b181daf9ce MISC:https://git.kernel.org/stable/c/cd7f899de4b1b829125d72ee6fbfd878b637b815 URL:https://git.kernel.org/stable/c/cd7f899de4b1b829125d72ee6fbfd878b637b815 MISC:https://git.kernel.org/stable/c/d6d45f67a11136cb88a70a29ab22ea6db8ae6bd5 URL:https://git.kernel.org/stable/c/d6d45f67a11136cb88a70a29ab22ea6db8ae6bd5
Assigning CNA
kernel.org
Date Record Created
20250226	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20250226)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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