CVE-2026-72355

netfs: Fix barriering when walking subrequest list

CVSS 3.1 9.8 CRITICALCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-72355

Published

In the Linux kernel, the following vulnerability has been resolved: netfs: Fix barriering when walking subrequest list Fix the barriering used when walking the subrequest list in retry as there's a possibility of seeing a subreq that's just been added by the application thread.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-72355

Published

Linux

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/netfs/read_retry.c",
                        "fs/netfs/write_retry.c"
                    ],
                    "versions": [
                        {
                            "version": "288ace2f57c9d06dd2e42bd80d03747d879a4068",
                            "lessThan": "4cca4b44e561a19c77cb1949ae6846da0539db40",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "288ace2f57c9d06dd2e42bd80d03747d879a4068",
                            "lessThan": "be47c047250671c9225c0319ca4695be9b391c59",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "288ace2f57c9d06dd2e42bd80d03747d879a4068",
                            "lessThan": "5c6ce05e406520290c1d89da97fb3cd70c09137d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "fs/netfs/read_retry.c",
                        "fs/netfs/write_retry.c"
                    ],
                    "versions": [
                        {
                            "version": "6.10",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "6.10",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.53",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1.5",
                            "lessThanOrEqual": "7.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON