CVE-2025-68745
Linux Kernel vulnerability analysis and mitigation

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.


SourceNVD

Related Linux Kernel vulnerabilities:

CVE ID

Severity

Score

Technologies

Component name

CISA KEV exploit

Has fix

Published date

CVE-2025-68746MEDIUM5.5
  • Linux KernelLinux Kernel
  • kernel-rt-64k-debug-modules-core
NoYesDec 24, 2025
CVE-2025-68745MEDIUM5.5
  • Linux KernelLinux Kernel
  • kernel-64k-debug-modules-extra
NoYesDec 24, 2025
CVE-2025-68744MEDIUM5.5
  • Linux KernelLinux Kernel
  • libperf-devel
NoNoDec 24, 2025
CVE-2025-68742MEDIUM5.5
  • Linux KernelLinux Kernel
  • kernel-core
NoYesDec 24, 2025
CVE-2025-68749N/AN/A
  • Linux KernelLinux Kernel
  • linux-gcp-fips
NoNoDec 24, 2025

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