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SUNRPC: Reject krb5 v2 wrap tokens with oversized ec field

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-2026-89538

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/sunrpc/auth_gss/gss_krb5_wrap.c"
                    ],
                    "versions": [
                        {
                            "version": "cf4c024b908353fcc48309374d39e3399d67dfd1",
                            "lessThan": "ac9efc29346b6942e71f0e24a3178a9121330fab",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cf4c024b908353fcc48309374d39e3399d67dfd1",
                            "lessThan": "b5746095b59f4d11f39f08751d36bbdfd1e5deac",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cf4c024b908353fcc48309374d39e3399d67dfd1",
                            "lessThan": "9fc6d6e6db49ab55208d5dd1c424c1d0d9aa7296",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cf4c024b908353fcc48309374d39e3399d67dfd1",
                            "lessThan": "4abb44a29bb515df6f49123848765c70fc9b5021",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cf4c024b908353fcc48309374d39e3399d67dfd1",
                            "lessThan": "dfcd81ab45613d45996fbf483d4ef54b0ec90ab9",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cf4c024b908353fcc48309374d39e3399d67dfd1",
                            "lessThan": "1f9856af065b6158271687e9788407b9573fd16f",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cf4c024b908353fcc48309374d39e3399d67dfd1",
                            "lessThan": "880effc943ed82d6811f272ed3307c222b40f4d6",
                            "status": "affected",
                            "versionType": "git"
                        },
                        {
                            "version": "cf4c024b908353fcc48309374d39e3399d67dfd1",
                            "lessThan": "ad484748eec0a66eac0f13ab53b3fbedb7333c91",
                            "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/sunrpc/auth_gss/gss_krb5_wrap.c"
                    ],
                    "versions": [
                        {
                            "version": "3.13",
                            "status": "affected"
                        },
                        {
                            "version": "0",
                            "lessThan": "3.13",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.10.270",
                            "lessThanOrEqual": "5.10.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "5.15.221",
                            "lessThanOrEqual": "5.15.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.1.188",
                            "lessThanOrEqual": "6.1.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.6.157",
                            "lessThanOrEqual": "6.6.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.12.109",
                            "lessThanOrEqual": "6.12.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "6.18.50",
                            "lessThanOrEqual": "6.18.*",
                            "status": "unaffected",
                            "versionType": "semver"
                        },
                        {
                            "version": "7.2.4",
                            "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

ChangeIntel

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Sources read 9 Nov 04:29 UTC · 275 of 275 readable · 273 fully read · documentation 469/469 current