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

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于atmel-aes驱动清理函数仅释放第一页，导致剩余3页内存泄漏。

AI Predicted 5.5 Difficulty: Trivial EPSS 0.16% · P6

Possible ATT&CK Techniques 1 AI

T1499 · Endpoint Denial of Service

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux bbe628ed897d728d38c4035381d12b2f308fac6f< de6952e0af2acbada900d742437e848285c01d11 affected
bbe628ed897d728d38c4035381d12b2f308fac6f< 5ad40cde96d603a88d68f8ed59f6d36407ab1f3c affected
bbe628ed897d728d38c4035381d12b2f308fac6f< 03e00aafa5f747d07811589e8d5fee638245431b affected
bbe628ed897d728d38c4035381d12b2f308fac6f< b63f1e2f0e319ad3fe4a58eb3db4fd50cc98baca affected
bbe628ed897d728d38c4035381d12b2f308fac6f< 65b3589d39d05699c3850202f8333e5361033ea3 affected
bbe628ed897d728d38c4035381d12b2f308fac6f< 61516b4a5b2647dc3f8f67b5dffaf038be997511 affected
bbe628ed897d728d38c4035381d12b2f308fac6f< 230ad8a78fe67266b1ba4685da1abdd61471c5b8 affected
bbe628ed897d728d38c4035381d12b2f308fac6f< 3fcfff4ed35f963380a68741bcd52742baff7f76 affected
… +10 more rows
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I. Basic Information for CVE-2026-46019

Vulnerability Information
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Vulnerability Title
crypto: atmel-aes - Fix 3-page memory leak in atmel_aes_buff_cleanup
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于atmel-aes驱动清理函数仅释放第一页，导致剩余3页内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux bbe628ed897d728d38c4035381d12b2f308fac6f ~ de6952e0af2acbada900d742437e848285c01d11 -
Linux Linux 4.5 -

II. Public POCs for CVE-2026-46019

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III. Intelligence Information for CVE-2026-46019

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Patches & Fixes for CVE-2026-46019 (7)

Same Patch Batch · Linux · 2026-05-27 · 275 CVEs total

CVE-2026-45972 9.8 CRITICAL smb: client: fix potential UAF and double free in smb2_open_file()
CVE-2026-45988 9.8 CRITICAL rxrpc: Fix re-decryption of RESPONSE packets
CVE-2026-46039 9.8 CRITICAL rxgk: Fix potential integer overflow in length check
CVE-2026-45898 9.8 CRITICAL RDMA/iwcm: Fix workqueue list corruption by removing work_list
CVE-2026-46043 9.1 CRITICAL RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv
CVE-2026-46056 8.8 HIGH Bluetooth: hci_event: fix potential UAF in SSP passkey handlers
CVE-2026-45945 8.8 HIGH iommu/vt-d: Fix race condition during PASID entry replacement
CVE-2025-71311 8.2 HIGH fs/ntfs3: Initialize new folios before use
CVE-2026-45843 8.2 HIGH slip: bound decode() reads against the compressed packet length
CVE-2026-46037 8.2 HIGH ipv4: icmp: validate reply type before using icmp_pointers
CVE-2026-46099 8.1 HIGH net: ipv6: fix NOREF dst use in seg6 and rpl lwtunnels
CVE-2026-46010 8.1 HIGH rxrpc: Fix error handling in rxgk_extract_token()
CVE-2026-46076 7.9 HIGH KVM: nSVM: Raise #UD if unhandled VMMCALL isn't intercepted by L1
CVE-2026-45909 7.8 HIGH clk: mediatek: Drop __initconst from gates
CVE-2026-46015 7.8 HIGH tcp: call sk_data_ready() after listener migration
CVE-2026-46036 7.8 HIGH vfio/cdx: Serialize VFIO_DEVICE_SET_IRQS with a per-device mutex
CVE-2026-46062 7.8 HIGH ntfs3: fix integer overflow in run_unpack() volume boundary check
CVE-2026-46065 7.8 HIGH fbdev: defio: Disconnect deferred I/O from the lifetime of struct fb_info
CVE-2026-45878 7.8 HIGH drm/amdkfd: Fix watch_id bounds checking in debug address watch v2
CVE-2026-45894 7.8 HIGH iommu/vt-d: Clear Present bit before tearing down PASID entry

Showing top 20 of 275 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-46019

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