CVE-2026-46068

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

HIGH

7.8

CVSS Score

Published: May 27, 2026 at 12:57 PM UTC

Updated: June 27, 2026 at 11:41 AM UTC

1 product affected across 1 vendorLinux Kernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.1%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Linux Kernel · Linux

95%

4.2 ≤ v < 6.12.884.2 ≤ v < 6.18.274.2 ≤ v < 6.6.1414.2 ≤ v < 7.0.44.2 ≤ v < 7.16.13 ≤ v < 6.18.276.19 ≤ v < 7.0.46.7 ≤ v < 6.12.884.2ed70b479c2c0b6e1319f0cb2de19f1051be219a4

Vendor states this is fixed in 5c07962fed66e1238fad7635fa150570bd38b4c5 (fixed)

Vendor states this is fixed in 80fd99d7c30ea889662d21f1b44d8fea4c83138d (fixed)

Vendor states this is fixed in 910bb34b801d39794e656f7d48414844b2bd354e (fixed)

Vendor states this is fixed in adb3faf2db1a66d0f015b44ac909a32dfc7f2f9c (fixed)

Vendor states this is fixed in f17a4850d1ce7c11cba8b1830b9bfedfede878bb (fixed)

Vendor states this is fixed in 4.2 (unaffected)

Vendor states this is fixed in 6.12.88 (unaffected)

Vendor states this is fixed in 6.18.27 (unaffected)

Vendor states this is fixed in 6.6.141 (unaffected)

Vendor states this is fixed in 7.0.4 (unaffected)

Vendor states this is fixed in 7.1 (unaffected)