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tipc: fix double-free in tipc_buf_append()

Exact source revision recorded 23 Oct 2026 15:48:27 UTC. It does not establish the source's current position. Latest evidence.

cve-program · CVE-2026-52993

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/tipc/msg.c"
                    ],
                    "versions": [
                        {
                            "version": "d618d09a68e4eed7a435beb2e355250f6f40664a",
                            "lessThan": "a438975a6dcdbd70865978c021650d1485586f0b",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d618d09a68e4eed7a435beb2e355250f6f40664a",
                            "lessThan": "4ee4deadaae7cb2e3d53af0fc889cf92a73413c0",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d618d09a68e4eed7a435beb2e355250f6f40664a",
                            "lessThan": "d3556656c6daebf8def751c7e71d11dd0a180d24",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d618d09a68e4eed7a435beb2e355250f6f40664a",
                            "lessThan": "0274f24485fc38032d4093e463dc3ff5c7a667c9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d618d09a68e4eed7a435beb2e355250f6f40664a",
                            "lessThan": "4d104882bc815d4ec666ace9155f5f52715879a6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d618d09a68e4eed7a435beb2e355250f6f40664a",
                            "lessThan": "1d5e589055880fae229e229e1929e087dbe08cf3",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d618d09a68e4eed7a435beb2e355250f6f40664a",
                            "lessThan": "29940fff14110ca48c5ccc168d121665b51bb778",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "d618d09a68e4eed7a435beb2e355250f6f40664a",
                            "lessThan": "d293ca716e7d5dffdaecaf6b9b2f857a33dc3d3a",
                            "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/tipc/msg.c"
                    ],
                    "versions": [
                        {
                            "version": "4.15",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "4.15",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.258",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.209",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.175",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.141",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.91",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.33",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.0.10",
                            "lessThanOrEqual": "7.0.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.1",
                            "lessThanOrEqual": "*",
                            "status": "unaffected",
                            "versionType": "original_commit_for_fix"
                        }
                    ]
                }

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

ChangeIntel

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Sources read 8 Nov 20:02 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current