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virtio_net: Fix UAF on dst_ops when IFF_XMIT_DST_RELEASE is cleared and napi_tx is false

cve-program · CVE-2026-31469

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": [
                        "drivers/net/virtio_net.c"
                    ],
                    "versions": [
                        {
                            "version": "f2fc6a54585a1be6669613a31fbaba2ecbadcd36",
                            "lessThan": "be0e63f3b97bbaf453c542e8a15ba2a536e2ac01",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2fc6a54585a1be6669613a31fbaba2ecbadcd36",
                            "lessThan": "c1ec36cb3768574b916f20d2d7415fd14fa1bf12",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2fc6a54585a1be6669613a31fbaba2ecbadcd36",
                            "lessThan": "8a4790850e710fd6771e4d2112168ed1dd6c0e54",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2fc6a54585a1be6669613a31fbaba2ecbadcd36",
                            "lessThan": "fedd2e1630cac920844997227ccbe7b26a76375a",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2fc6a54585a1be6669613a31fbaba2ecbadcd36",
                            "lessThan": "f04733c4dc40c43899c3d1c97afbae5831a3770f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2fc6a54585a1be6669613a31fbaba2ecbadcd36",
                            "lessThan": "9a18629f2525781f0f3dda7be72b204e4cf77d08",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2fc6a54585a1be6669613a31fbaba2ecbadcd36",
                            "lessThan": "63d45077b97bb0e0fe0c75931acbbca7a47af141",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "f2fc6a54585a1be6669613a31fbaba2ecbadcd36",
                            "lessThan": "ba8bda9a0896746053aa97ac6c3e08168729172c",
                            "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": [
                        "drivers/net/virtio_net.c"
                    ],
                    "versions": [
                        {
                            "version": "2.6.26",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "2.6.26",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.253",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.203",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.168",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.131",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.80",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.21",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.19.11",
                            "lessThanOrEqual": "6.19.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

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Sources read 8 Nov 21:05 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current