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CVE-2026-72433
netfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak
Overview
Description

In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak This needs to test for nonzero retval.

Details
INFO

Published Date :

Aug. 15, 2026, 6:22 a.m.

Last Modified :

Aug. 17, 2026, 6:19 a.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Impact
Affected Products

The following products are affected by CVE-2026-72433 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Apply the patch to fix the NFT_META_BRI_IIFPVID stack leak in the Linux kernel.
  • Apply the provided patch.
  • Test for nonzero retval.
References
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2026-72433.

URL Resource
https://git.kernel.org/stable/c/27dd2997746d54ebc079bb13161cc1bdd401d4a6
https://git.kernel.org/stable/c/4dce8bf588a89bef99b446136d15685a837e7acf
https://git.kernel.org/stable/c/7e23965d44f06ed93fb5362fb1e321b769eecc3b
https://git.kernel.org/stable/c/92c9682b36f0c8f7a1f14d4558b72793f62e90a1
https://git.kernel.org/stable/c/a853c3769b73ceb2d2b735aff621d1d51fe0553d
https://git.kernel.org/stable/c/b1b0b9efe641afa5c2d4ba2ec77aed7b6f4bc398
https://git.kernel.org/stable/c/c37a39b963034cc2d141baf46017614cb1fc275f
https://git.kernel.org/stable/c/f73b7de5338fcca7f63ca88597a050c119501531
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2026-72433 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2026-72433 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2026-72433 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2026-72433 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 17, 2026

    Action Type Old Value New Value
    Changed Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'c37a39b963034cc2d141baf46017614cb1fc275f', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'a853c3769b73ceb2d2b735aff621d1d51fe0553d', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'b1b0b9efe641afa5c2d4ba2ec77aed7b6f4bc398', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'f73b7de5338fcca7f63ca88597a050c119501531', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '92c9682b36f0c8f7a1f14d4558b72793f62e90a1', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '7e23965d44f06ed93fb5362fb1e321b769eecc3b', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '4dce8bf588a89bef99b446136d15685a837e7acf', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '27dd2997746d54ebc079bb13161cc1bdd401d4a6', 'versionType': 'git'}], 'programFiles': ['net/bridge/netfilter/nft_meta_bridge.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.3'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.3', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/bridge/netfilter/nft_meta_bridge.c'], 'defaultStatus': 'affected'}] [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'c37a39b963034cc2d141baf46017614cb1fc275f', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'a853c3769b73ceb2d2b735aff621d1d51fe0553d', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'b1b0b9efe641afa5c2d4ba2ec77aed7b6f4bc398', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'f73b7de5338fcca7f63ca88597a050c119501531', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '92c9682b36f0c8f7a1f14d4558b72793f62e90a1', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '7e23965d44f06ed93fb5362fb1e321b769eecc3b', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '4dce8bf588a89bef99b446136d15685a837e7acf', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '27dd2997746d54ebc079bb13161cc1bdd401d4a6', 'versionType': 'git'}], 'programFiles': ['net/bridge/netfilter/nft_meta_bridge.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.3'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.3', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/bridge/netfilter/nft_meta_bridge.c'], 'defaultStatus': 'affected'}]
  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Aug. 15, 2026

    Action Type Old Value New Value
    Added Affected [{'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'c37a39b963034cc2d141baf46017614cb1fc275f', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'a853c3769b73ceb2d2b735aff621d1d51fe0553d', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'b1b0b9efe641afa5c2d4ba2ec77aed7b6f4bc398', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': 'f73b7de5338fcca7f63ca88597a050c119501531', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '92c9682b36f0c8f7a1f14d4558b72793f62e90a1', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '7e23965d44f06ed93fb5362fb1e321b769eecc3b', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '4dce8bf588a89bef99b446136d15685a837e7acf', 'versionType': 'git'}, {'status': 'affected', 'version': 'c54c7c685494fc0f1662091d4d0c4fc26e810471', 'lessThan': '27dd2997746d54ebc079bb13161cc1bdd401d4a6', 'versionType': 'git'}], 'programFiles': ['net/bridge/netfilter/nft_meta_bridge.c'], 'defaultStatus': 'unaffected'}, {'repo': 'https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git', 'vendor': 'Linux', 'product': 'Linux', 'versions': [{'status': 'affected', 'version': '5.3'}, {'status': 'unaffected', 'version': '0', 'lessThan': '5.3', 'versionType': 'semver'}, {'status': 'unaffected', 'version': '5.10.261', 'versionType': 'semver', 'lessThanOrEqual': '5.10.*'}, {'status': 'unaffected', 'version': '5.15.212', 'versionType': 'semver', 'lessThanOrEqual': '5.15.*'}, {'status': 'unaffected', 'version': '6.1.178', 'versionType': 'semver', 'lessThanOrEqual': '6.1.*'}, {'status': 'unaffected', 'version': '6.6.145', 'versionType': 'semver', 'lessThanOrEqual': '6.6.*'}, {'status': 'unaffected', 'version': '6.12.97', 'versionType': 'semver', 'lessThanOrEqual': '6.12.*'}, {'status': 'unaffected', 'version': '6.18.40', 'versionType': 'semver', 'lessThanOrEqual': '6.18.*'}, {'status': 'unaffected', 'version': '7.1.5', 'versionType': 'semver', 'lessThanOrEqual': '7.1.*'}, {'status': 'unaffected', 'version': '7.2-rc1', 'versionType': 'original_commit_for_fix', 'lessThanOrEqual': '*'}], 'programFiles': ['net/bridge/netfilter/nft_meta_bridge.c'], 'defaultStatus': 'affected'}]
    Added Description In the Linux kernel, the following vulnerability has been resolved: netfilter: nft_meta_bridge: fix NFT_META_BRI_IIFPVID stack leak This needs to test for nonzero retval.
    Added Reference https://git.kernel.org/stable/c/27dd2997746d54ebc079bb13161cc1bdd401d4a6
    Added Reference https://git.kernel.org/stable/c/4dce8bf588a89bef99b446136d15685a837e7acf
    Added Reference https://git.kernel.org/stable/c/7e23965d44f06ed93fb5362fb1e321b769eecc3b
    Added Reference https://git.kernel.org/stable/c/92c9682b36f0c8f7a1f14d4558b72793f62e90a1
    Added Reference https://git.kernel.org/stable/c/a853c3769b73ceb2d2b735aff621d1d51fe0553d
    Added Reference https://git.kernel.org/stable/c/b1b0b9efe641afa5c2d4ba2ec77aed7b6f4bc398
    Added Reference https://git.kernel.org/stable/c/c37a39b963034cc2d141baf46017614cb1fc275f
    Added Reference https://git.kernel.org/stable/c/f73b7de5338fcca7f63ca88597a050c119501531
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CVSS
Vulnerability Scoring Details
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