What is CVE-2025-68745?

CVE-2025-68745 is a unscored severity Linux kernel vulnerability, affecting Linux kernel versions from 4.9.316 onward and patched in 6.18.2 and 6.19. CVE-2025-68745 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

What is the CVSS score for CVE-2025-68745?

CVE-2025-68745 has a CVSS score of pending NVD analysis out of 10, rated awaiting scoring severity.

Is there a patch available for CVE-2025-68745?

Yes, CVE-2025-68745 has been patched. Fixed versions include 6.18.2 and 6.19. If you are running Linux kernel 4.9.316 or later up to the fix versions, apply the relevant patch for your kernel branch.

Is CVE-2025-68745 actively exploited?

CVE-2025-68745 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

CVE-2025-68745

In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Clear cmds after chip reset Commit aefed3e5548f ("scsi: qla2xxx: target: Fix offline port handling and host reset handling") caused two problems: 1. Commands sent to FW, after chip reset got stuck and never freed as FW is not going to respond to them anymore. 2. BUG_ON(cmd->sg_mapped) in qlt_free_cmd(). Commit 26f9ce53817a ("scsi: qla2xxx: Fix missed DMA unmap for aborted commands") attempted to fix this, but introduced another bug under different circumstances when two different CPUs were racing to call qlt_unmap_sg() at the same time: BUG_ON(!valid_dma_direction(dir)) in dma_unmap_sg_attrs(). So revert "scsi: qla2xxx: Fix missed DMA unmap for aborted commands" and partially revert "scsi: qla2xxx: target: Fix offline port handling and host reset handling" at __qla2x00_abort_all_cmds.

Package Linux Kernel

Published 2025-12-24

Last modified 2026-04-15

Patch available

Yes

Affected versions

Linux kernel versions 4.9.316, 4.14.281, 4.19.245, 5.2 and later are affected. Fixed in 6.18.2, 6.19 and their respective stable series.

Affected from

≥ 4.9.316 ≥ 4.14.281 ≥ 4.19.245 ≥ 5.2

Fixed in

✓ 6.18.2 6.18.x ✓ 6.19

References

The following references provide additional information about CVE-2025-68745 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/5c1fb3fd05da3d55b8cbc42d7d660b313cbdc936
Patch
Kernel patch commit
https://git.kernel.org/stable/c/d46c69a087aa3d1513f7a78f871b80251ea0c1ae
Patch

Frequently asked questions

What is CVE-2025-68745?

CVE-2025-68745 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.9.316 onward and has been patched in 6.18.2 and 6.19. CVE-2025-68745 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
Is there a patch available for CVE-2025-68745?

Yes — CVE-2025-68745 has been patched. Fixed versions include 6.18.2 and 6.19. If you are running Linux kernel 4.9.316 or later up to the fix versions, apply the relevant patch for your kernel branch.
Is CVE-2025-68745 actively exploited?

No — CVE-2025-68745 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.