What is CVE-2022-49537?

CVE-2022-49537 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10, affecting Linux kernel versions from 5.15 onward and patched in 5.15.46, 5.17.14, 5.18.3 and others. CVE-2022-49537 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2022-49537?

CVE-2022-49537 has a CVSS score of 5.5 out of 10, rated Medium severity. The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Is there a patch available for CVE-2022-49537?

Yes, CVE-2022-49537 has been patched. Fixed versions include 5.15.46, 5.17.14, 5.18.3 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2022-49537 actively exploited?

CVE-2022-49537 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2022-49537

Medium

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.

Package Linux Kernel

Published 2025-02-26

Last modified 2025-10-21

CVSS version 3.1

Patch available

Yes

CVSS 3.1 score

5.5

out of 10

Medium

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

High

Vector string

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Affected versions

Linux kernel versions 5.15 and later are affected. Fixed in 5.15.46, 5.17.14, 5.18.3, 5.19 and their respective stable series.

Affected from

≥ 5.15

Fixed in

✓ 5.15.46 5.15.x ✓ 5.17.14 5.17.x ✓ 5.18.3 5.18.x ✓ 5.19

References

The following references provide additional information about CVE-2022-49537 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.

Kernel patch commit
https://git.kernel.org/stable/c/517e0835cfb2007713ff16c4fb8479f08b16aec7
Patch
Kernel patch commit
https://git.kernel.org/stable/c/ae373d66c427812754db5292eb1481b181daf9ce
Patch
Kernel patch commit
https://git.kernel.org/stable/c/cd7f899de4b1b829125d72ee6fbfd878b637b815
Patch

4 patch commits total View all on NVD

Details

CVE ID CVE-2022-49537

Severity Medium

CVSS score 5.5 / 10

CVSS version 3.1

Published 2025-02-26

Modified 2025-10-21

KEV No

Patch

Yes

Package linux

Frequently asked questions

What is CVE-2022-49537?

CVE-2022-49537 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.15 onward and has been patched in 5.15.46, 5.17.14, 5.18.3 and others. CVE-2022-49537 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
What is the CVSS score for CVE-2022-49537?

CVE-2022-49537 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.
Is there a patch available for CVE-2022-49537?

Yes — CVE-2022-49537 has been patched. Fixed versions include 5.15.46, 5.17.14, 5.18.3 and others. If you are running Linux kernel 5.15 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2022-49537 actively exploited?

No — CVE-2022-49537 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.