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CVE-2026-68192 Affecting kernel-uek-debug-modules-extra package, versions <0:6.12.0-206.104.3.3.el10uek

Severity

 Recommended
high

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.41% (35th percentile)

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  • Snyk IDSNYK-ORACLE10-KERNELUEKDEBUGMODULESEXTRA-19568381
  • published5 Sept 2026
  • disclosed10 Aug 2026
Report a new vulnerability Found a mistake?

Introduced: 10 Aug 2026

NewCVE-2026-68192  (opens in a new tab)

How to fix?

Upgrade Oracle:10 kernel-uek-debug-modules-extra to version 0:6.12.0-206.104.3.3.el10uek or higher.
This issue was patched in ELSA-2026-500248.

NVD Description

Note: Versions mentioned in the description apply only to the upstream kernel-uek-debug-modules-extra package and not the kernel-uek-debug-modules-extra package as distributed by Oracle. See How to fix? for Oracle:10 relevant fixed versions and status.

In the Linux kernel, the following vulnerability has been resolved:

wifi: brcmfmac: make release_scratchbuffers idempotent

brcmf_pcie_release_scratchbuffers() frees the shared.scratch and shared.ringupd DMA buffers with dma_free_coherent() but does not clear the pointers afterwards, unlike the sibling release_ringbuffers() which NULLs commonrings/flowrings/idxbuf on release.

Both the bus_reset .reset callback (brcmf_pcie_reset) and brcmf_pcie_remove() call release_scratchbuffers. When reset teardown has run before removal, remove's own teardown would call dma_free_coherent() a second time on the already-freed DMA allocation.

NULL the pointers after free, matching release_ringbuffers(), so a later release observes that the allocation has already been released. This patch makes repeated sequential release safe; the reset-work lifetime is handled separately by the following patch.

This issue was found by an in-house static analysis tool.