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Linux kernel 6.6.157.1-1 may release wrong memory address
published 2 months ago
Summary
The Linux kernel version 6.6.157.1-1 can mishandle a low‑level memory address, which could cause the system to free the wrong memory area and potentially lead to crashes or instability. Updating the kernel to the latest patched version resolves the issue. Apply the vendor's kernel updates as soon as possible.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Azure Linux:3 | – | kernel |
<= 6.6.157.1-1 <= 6.6.152.1-1 |
| Azure Linux:3 | azure | kernel | <= 6.6.150.1-1 |
Original advisory text
CVE-2026-80884 affecting package kernel 6.6.157.1-1
In the Linux kernel, the following vulnerability has been resolved:
ntb: Store original DMA address for future release
The DMA API requires that dma_free_attrs receive the exact dma_handle
originally returned by the allocation function. Do not modify it.
ntb: Store original DMA address for future release
The DMA API requires that dma_free_attrs receive the exact dma_handle
originally returned by the allocation function. Do not modify it.
References
Timeline
Published4 Sep 2026
Updated24 Sep 2026
First seen23 Sep 2026
Sources
AZL-99626 · OSV
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