{"id":"CVE-2025-71120","revision":null,"records":[{"revision":"9c9cc0721ca144eab186f0edf3bc4fb4","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-71120","aliases":[],"title":"SUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf\n\nA zero length gss_token results in pages == 0 and in_token->pages[0]\nis NULL. The code unconditionally evaluates\npage_address(in_token->pages[0]) for the initial memcpy, which can\ndereference NULL even when the copy length is 0. Guard the first\nmemcpy so it only runs when length > 0.","state":0,"publishedAt":"2026-01-14T15:06:07.194+00:00","modifiedAt":"2026-10-19T18:15:14.623+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"unaffected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/sunrpc/auth_gss/svcauth_gss.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5866efa8cbfbadf3905072798e96652faf02dbe8\",\n \"lessThan\": \"a8f1e445ce3545c90d69c9e8ff8f7821825fe810\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5866efa8cbfbadf3905072798e96652faf02dbe8\",\n \"lessThan\": \"4dedb6a11243a5c9eb9dbb97bca3c98bd725e83d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5866efa8cbfbadf3905072798e96652faf02dbe8\",\n \"lessThan\": \"f9e53f69ac3bc4ef568b08d3542edac02e83fefd\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5866efa8cbfbadf3905072798e96652faf02dbe8\",\n \"lessThan\": \"7452d53f293379e2c38cfa8ad0694aa46fc4788b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5866efa8cbfbadf3905072798e96652faf02dbe8\",\n \"lessThan\": \"a2c6f25ab98b423f99ccd94874d655b8bcb01a19\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5866efa8cbfbadf3905072798e96652faf02dbe8\",\n \"lessThan\": \"1c8bb965e9b0559ff0f5690615a527c30f651dd8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"5866efa8cbfbadf3905072798e96652faf02dbe8\",\n \"lessThan\": \"d4b69a6186b215d2dc1ebcab965ed88e8d41768d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"66ed7b413d31c6ff23901ac4443b1cc1af2f6113\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"7be8c165dc81564705e8e0b72d398ef708f67eaa\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"4.19.99\",\n \"lessThan\": \"4.20\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.15\",\n \"lessThan\": \"5.5\",\n \"status\": \"affected\",\n \"versionType\": \"semver\"\n }\n ]\n }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n \"product\": \"Linux\",\n \"vendor\": \"Linux\",\n \"defaultStatus\": \"affected\",\n \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n \"programFiles\": [\n \"net/sunrpc/auth_gss/svcauth_gss.c\"\n ],\n \"versions\": [\n {\n \"version\": \"5.5\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"5.5\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.248\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.198\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.160\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.120\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.64\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.3\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.19\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","score":7.5,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/a8f1e445ce3545c90d69c9e8ff8f7821825fe810","https://git.kernel.org/stable/c/4dedb6a11243a5c9eb9dbb97bca3c98bd725e83d","https://git.kernel.org/stable/c/f9e53f69ac3bc4ef568b08d3542edac02e83fefd","https://git.kernel.org/stable/c/7452d53f293379e2c38cfa8ad0694aa46fc4788b","https://git.kernel.org/stable/c/a2c6f25ab98b423f99ccd94874d655b8bcb01a19","https://git.kernel.org/stable/c/1c8bb965e9b0559ff0f5690615a527c30f651dd8","https://git.kernel.org/stable/c/d4b69a6186b215d2dc1ebcab965ed88e8d41768d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71120","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-71120","identifiers":["CVE-2025-71120"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-fd9e659eac384b31b6b54c14a478a6b6","complete":true,"records":13654,"lastAttemptAt":"2026-11-08T22:02:46.9922536+00:00","lastSuccessAt":"2026-11-08T22:02:46.989+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:46.989+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13706,"expectedIdentifiers":13706,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-08T22:02:16.0606753+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-08T22:02:16.0606753+00:00","lastSuccessAt":"2026-11-08T22:02:16.3005264+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:16.3005266+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. 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