What’s Vulnerable › Vulnerabilities

CVE-2026-46019: crypto: atmel-aes - Fix 3-page memory leak in atmel_aes_buff_cleanup

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-05-27 · updated 2026-06-17
• Weakness: CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: crypto: atmel-aes - Fix 3-page memory leak in atmel_aes_buff_cleanup atmel_aes_buff_init() allocates 4 pages using __get_free_pages() with ATMEL_AES_BUFFER_ORDER, but atmel_aes_buff_cleanup() frees only the first page using free_page(), leaking the remaining 3 pages. Use free_pages() with ATMEL_AES_BUFFER_ORDER to fix the memory leak.

Affected products

• Linux kernel: from 4.5 before 5.10.258; from 5.11 before 5.15.209; from 5.16 before 6.1.175; from 6.2 before 6.6.140; from 6.7 before 6.12.86; from 6.13 before 6.18.27 — fixed in 5.10.258, 5.15.209, 6.1.175, 6.12.86, 6.18.27, 6.6.140

How to fix

Upgrade to a fixed version: Linux kernel 5.10.258, 5.15.209, 6.1.175, 6.12.86. Check the vendor advisory for mitigations.

References

• https://git.kernel.org/stable/c/03e00aafa5f747d07811589e8d5fee638245431b
• https://git.kernel.org/stable/c/230ad8a78fe67266b1ba4685da1abdd61471c5b8
• https://git.kernel.org/stable/c/3fcfff4ed35f963380a68741bcd52742baff7f76
• https://git.kernel.org/stable/c/5ad40cde96d603a88d68f8ed59f6d36407ab1f3c
• https://git.kernel.org/stable/c/61516b4a5b2647dc3f8f67b5dffaf038be997511
• https://git.kernel.org/stable/c/65b3589d39d05699c3850202f8333e5361033ea3
• https://git.kernel.org/stable/c/b63f1e2f0e319ad3fe4a58eb3db4fd50cc98baca
• https://git.kernel.org/stable/c/de6952e0af2acbada900d742437e848285c01d11

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