CVE-2026-99254Published

io_uring: don't flood a cancelling task with task_work

Exact source revision recorded 3 Nov 2026 21:57:16 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-99254

Published

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "unaffected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "io_uring/io_uring.c"
                    ],
                    "versions": [
                        {
                            "version": "d56d938b4bef3e1421a42023cdcd6e13c1f50831",
                            "lessThan": "a22fb44e988b01b82235ea07f0bf0fc73e256596",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d56d938b4bef3e1421a42023cdcd6e13c1f50831",
                            "lessThan": "2c75ebae8a7f09c99e31c7042b7d4d595f03b2b1",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d56d938b4bef3e1421a42023cdcd6e13c1f50831",
                            "lessThan": "61c761fc21e00e45c33c2bb596be442d92fb8792",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d56d938b4bef3e1421a42023cdcd6e13c1f50831",
                            "lessThan": "14f56e9c0b8fdc2e178acdbec9781e90ef46f7e9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d56d938b4bef3e1421a42023cdcd6e13c1f50831",
                            "lessThan": "abdc57c7ebabaaf0b622178a6a85834e1e54ff80",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d56d938b4bef3e1421a42023cdcd6e13c1f50831",
                            "lessThan": "22e643e61b9b6299b42ff7d88bab48bccada8a5d",
                            "status": "affected",
                            "versionType": "git"
                        }
                    ]
                }

Linux

Vendor product

Original vendor version evidence · not evaluated as a NuGet range

{
                    "product": "Linux",
                    "vendor": "Linux",
                    "defaultStatus": "affected",
                    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
                    "programFiles": [
                        "io_uring/io_uring.c"
                    ],
                    "versions": [
                        {
                            "version": "5.12",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "5.12",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.191",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.161",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.115",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.60",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.14",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.4-rc1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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