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CVE-2026-46028— crypto: algif_aead - snapshot IV for async AEAD requests

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algif_aead中异步AEAD请求使用套接字级IV缓冲区，可能导致后续套接字活动更新共享状态时IV处理不一致。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.12% · P2

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux d887c52d6ae43aeebd249b5f2f1333e60236aa60< 08ea39a556ecd39b33c2b4888861001c6706a62e affected
d887c52d6ae43aeebd249b5f2f1333e60236aa60< a920cabdb0b7cf1f4e11a20524253ae5bd09092b affected
d887c52d6ae43aeebd249b5f2f1333e60236aa60< fa0fcec9b49d58e71df7ede91ecd86855f608e85 affected
d887c52d6ae43aeebd249b5f2f1333e60236aa60< c2138c9bd02af19e0b407376140cd5435b0d81da affected
d887c52d6ae43aeebd249b5f2f1333e60236aa60< 46fdb39e83227b5d39f7c934a0947ea913f13c18 affected
d887c52d6ae43aeebd249b5f2f1333e60236aa60< ebc235675f24b0e3f8bc92b8419471d42f837d8f affected
d887c52d6ae43aeebd249b5f2f1333e60236aa60< 3d72f8c6490dc79210b64270740cb2a8619361a4 affected
d887c52d6ae43aeebd249b5f2f1333e60236aa60< 5aa58c3a572b3e3b6c786953339f7978b845cc52 affected
… +10 more rows
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I. Basic Information for CVE-2026-46028

Vulnerability Information
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Vulnerability Title
crypto: algif_aead - snapshot IV for async AEAD requests
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: algif_aead - snapshot IV for async AEAD requests AF_ALG AEAD AIO requests currently use the socket-wide IV buffer during request processing. For async requests, later socket activity can update that shared state before the original request has fully completed, which can lead to inconsistent IV handling. Snapshot the IV into per-request storage when preparing the AEAD request, so in-flight operations no longer depend on mutable socket state.
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algif_aead中异步AEAD请求使用套接字级IV缓冲区，可能导致后续套接字活动更新共享状态时IV处理不一致。
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 d887c52d6ae43aeebd249b5f2f1333e60236aa60 ~ 08ea39a556ecd39b33c2b4888861001c6706a62e -
Linux Linux 4.14 -

II. Public POCs for CVE-2026-46028

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III. Intelligence Information for CVE-2026-46028

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Patches & Fixes for CVE-2026-46028 (8)

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-2026-46028

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