CVE-2026-99121Published

ipv4: avoid divide by zero in fib_rebalance

Exact source revision recorded 28 Oct 2026 11:27:43 UTC. It does not establish the source's current position. Latest evidence.

Recorded JSON

cve-program · CVE-2026-99121

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": [
                        "net/ipv4/fib_semantics.c"
                    ],
                    "versions": [
                        {
                            "version": "0e884c78ee19e902f300ed147083c28a0c6302f0",
                            "lessThan": "5dac5c7ba8f5f3fb4bf29f2a2c3cb552f5b83c8f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e884c78ee19e902f300ed147083c28a0c6302f0",
                            "lessThan": "d5520e815c4b1427104ce1428ee23821f2aa824d",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "0e884c78ee19e902f300ed147083c28a0c6302f0",
                            "lessThan": "5046d2880fec7d49ebed2fd2866747ee1d06ad71",
                            "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": [
                        "net/ipv4/fib_semantics.c"
                    ],
                    "versions": [
                        {
                            "version": "4.4",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.4",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.59",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.13",
                            "lessThanOrEqual": "7.2.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.3",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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