Bug 2481921 (CVE-2026-46068) - CVE-2026-46068 kernel: crypto: nx - fix bounce buffer leaks in nx842_crypto_{alloc,free}_ctx
Summary: CVE-2026-46068 kernel: crypto: nx - fix bounce buffer leaks in nx842_crypto_{...
Keywords:
Status: NEW
Alias: CVE-2026-46068
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-27 15:02 UTC by OSIDB Bzimport
Modified: 2026-05-27 18:02 UTC (History)
2 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-05-27 15:02:27 UTC 
In the Linux kernel, the following vulnerability has been resolved:

crypto: nx - fix bounce buffer leaks in nx842_crypto_{alloc,free}_ctx

The bounce buffers are allocated with __get_free_pages() using
BOUNCE_BUFFER_ORDER (order 2 = 4 pages), but both the allocation error
path and nx842_crypto_free_ctx() release the buffers with free_page().
Use free_pages() with the matching order instead.
Comment 1 Keith Grant 2026-05-27 18:01:08 UTC 
Upstream advisory:
https://lore.kernel.org/linux-cve-announce/2026052757-CVE-2026-46068-1fce@gregkh/T
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