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CVE-2026-64412— netfilter: ebtables: module names must be null-terminated

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基金会开源的一款操作系统内核。 Linux kernel 4.6版本存在安全漏洞，该漏洞源于未正确检查模块名称长度，导致可能将非空终止字符串传递给request_module()函数。

CVSS 7.1 · High EPSS 0.13% · P2

Possible ATT&CK Techniques 1 AI

T1068.002

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux bcf4934288402be3464110109a4dae3bd6fb3e93< 43dd2332b8a27b3ac5108791680cade654ab0f96 affected
bcf4934288402be3464110109a4dae3bd6fb3e93< 5777c8f1c3610786d8482b8f620f40fccaf1542b affected
bcf4934288402be3464110109a4dae3bd6fb3e93< 0ddca0f90fa3395111d078ae4399615cf3ea94aa affected
bcf4934288402be3464110109a4dae3bd6fb3e93< d2367d99f2455f373996d9ddbe833dbe9f942213 affected
bcf4934288402be3464110109a4dae3bd6fb3e93< da32e78bbb187ed7b137e0007034185570a3a172 affected
bcf4934288402be3464110109a4dae3bd6fb3e93< 13a5f532e3a4fc75c33060a026def1572c208643 affected
bcf4934288402be3464110109a4dae3bd6fb3e93< 7b217960e88b5d2d1e8cdcbcaf3bdf6fe199a0c8 affected
bcf4934288402be3464110109a4dae3bd6fb3e93< 084d23f818321390509e9738a0b08bbf46df6425 affected
… +10 more rows
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I. Basic Information for CVE-2026-64412

Vulnerability Information
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Vulnerability Title
netfilter: ebtables: module names must be null-terminated
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: netfilter: ebtables: module names must be null-terminated We need to explicitly check the length, else we may pass non-null terminated string to request_module().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
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基金会开源的一款操作系统内核。 Linux kernel 4.6版本存在安全漏洞，该漏洞源于未正确检查模块名称长度，导致可能将非空终止字符串传递给request_module()函数。
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 bcf4934288402be3464110109a4dae3bd6fb3e93 ~ 43dd2332b8a27b3ac5108791680cade654ab0f96 -
Linux Linux 4.6 -

II. Public POCs for CVE-2026-64412

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III. Intelligence Information for CVE-2026-64412

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Patches & Fixes for CVE-2026-64412 (8)

Same Patch Batch · Linux · 2026-07-25 · 274 CVEs total

CVE-2026-64355 9.8 CRITICAL bpf: Reject fragmented frames in devmap
CVE-2026-64459 9.8 CRITICAL tcp: restore RCU grace period in tcp_ao_destroy_sock
CVE-2026-64303 9.8 CRITICAL spi: fsl-lpspi: terminate the RX channel on TX prepare failure path
CVE-2026-64439 9.8 CRITICAL crypto: krb5 - filter out async aead implementations at alloc
CVE-2026-64410 9.8 CRITICAL netfilter: flowtable: IPIP tunnel hardware offload is not yet support
CVE-2026-64399 9.8 CRITICAL ksmbd: add permission checks for FSCTL_DUPLICATE_EXTENTS_TO_FILE
CVE-2026-64397 9.8 CRITICAL ksmbd: serialize QUERY_DIRECTORY requests per file
CVE-2026-64391 9.8 CRITICAL ksmbd: use opener credentials for ADS I/O
CVE-2026-64387 9.8 CRITICAL smb: client: fix query directory replay double-free
CVE-2026-64386 9.8 CRITICAL smb: client: fix query_info() replay double-free
CVE-2026-64385 9.8 CRITICAL smb: client: fix double-free in SMB2_ioctl() replay
CVE-2026-64383 9.8 CRITICAL smb: client: fix double-free in SMB2_flush() replay
CVE-2026-64384 9.8 CRITICAL smb: client: fix change notify replay double-free
CVE-2026-64268 9.8 CRITICAL RDMA/siw: bound Read Response placement to the RREAD length
CVE-2026-64523 9.8 CRITICAL net/handshake: Take a long-lived file reference at submit
CVE-2026-64269 9.1 CRITICAL RDMA/rtrs-srv: Bound RDMA-Write length to chunk size in rdma_write_sg
CVE-2026-64257 9.1 CRITICAL smb: client: reject overlapping data areas in SMB2 responses
CVE-2026-64319 9.1 CRITICAL nvmet-auth: validate reply message payload bounds against transfer length
CVE-2026-64320 9.1 CRITICAL nvmet: fix pre-auth out-of-bounds heap read in Discovery Get Log Page
CVE-2026-64393 9.1 CRITICAL ksmbd: run set info with opener credentials

Showing top 20 of 274 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2026-64412

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