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Medium severity5.5NVD Advisory· Published May 6, 2026· Updated Jun 17, 2026

CVE-2026-43224

CVE-2026-43224

Description

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

io_uring/zcrx: fix sgtable leak on mapping failures

In an unlikely case when io_populate_area_dma() fails, which could only happen on a PAGE_POOL_32BIT_ARCH_WITH_64BIT_DMA machine, io_zcrx_map_area() will have an initialised and not freed table. It was supposed to be cleaned up in the error path, but !is_mapped prevents that.

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Affected products

3
  • Linux/Kernel2 versions
    cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*range: >=6.18,<6.18.16
    • (no CPE)
  • osv-coords
    pkg:linux/kernel
    Range: >= 6.18.0, < 6.18.16

Patches

Vulnerability mechanics

References

3

News mentions

0

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