{"id":"CVE-2023-53189","revision":null,"records":[{"revision":"337358e434a64ccea277a3902d1ab28d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-53189","aliases":[],"title":"ipv6/addrconf: fix a potential refcount underflow for idev","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nipv6/addrconf: fix a potential refcount underflow for idev\n\nNow in addrconf_mod_rs_timer(), reference idev depends on whether\nrs_timer is not pending. Then modify rs_timer timeout.\n\nThere is a time gap in [1], during which if the pending rs_timer\nbecomes not pending. It will miss to hold idev, but the rs_timer\nis activated. Thus rs_timer callback function addrconf_rs_timer()\nwill be executed and put idev later without holding idev. A refcount\nunderflow issue for idev can be caused by this.\n\n\tif (!timer_pending(&idev->rs_timer))\n\t\tin6_dev_hold(idev);\n\t\t <--------------[1]\n\tmod_timer(&idev->rs_timer, jiffies + when);\n\nTo fix the issue, hold idev if mod_timer() return 0.","state":0,"publishedAt":"2025-09-15T14:05:26.685+00:00","modifiedAt":"2026-10-15T21:41:27.813+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/ipv6/addrconf.c\"\n ],\n \"versions\": [\n {\n \"version\": \"b7b1bfce0bb68bd8f6e62a28295922785cc63781\",\n \"lessThan\": \"c6395e32935d35e6f935e7caf1c2dac5a95943b4\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"b7b1bfce0bb68bd8f6e62a28295922785cc63781\",\n \"lessThan\": \"df62fdcd004afa72ecbed0e862ebb983acd3aa57\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"b7b1bfce0bb68bd8f6e62a28295922785cc63781\",\n \"lessThan\": \"c7eeba47058532f6077d6a658e38b6698f6ae71a\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"b7b1bfce0bb68bd8f6e62a28295922785cc63781\",\n \"lessThan\": \"2ad31ce40e8182860b631e37209e93e543790b7c\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"b7b1bfce0bb68bd8f6e62a28295922785cc63781\",\n \"lessThan\": \"82abd1c37d3bf2a2658b34772c17a25a6f9cca42\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"b7b1bfce0bb68bd8f6e62a28295922785cc63781\",\n \"lessThan\": \"436b7cc7eae7851c184b671ed7a4a64c750b86f7\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"b7b1bfce0bb68bd8f6e62a28295922785cc63781\",\n \"lessThan\": \"1f656e483eb4733d62f18dfb206a49b78f60f495\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"b7b1bfce0bb68bd8f6e62a28295922785cc63781\",\n \"lessThan\": \"06a0716949c22e2aefb648526580671197151acc\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"973d5956f754cfc306f5e274d71503498f4b0324\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"3.10.105\",\n \"lessThan\": \"3.11\",\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/ipv6/addrconf.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.11\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.11\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.14.322\",\n \"lessThanOrEqual\": \"4.14.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.291\",\n \"lessThanOrEqual\": \"4.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.251\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.188\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.121\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.40\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.4.5\",\n \"lessThanOrEqual\": \"6.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.5\",\n \"lessThanOrEqual\": \"*\",\n \"status\": \"unaffected\",\n \"versionType\": \"original_commit_for_fix\"\n }\n ]\n }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/c6395e32935d35e6f935e7caf1c2dac5a95943b4","https://git.kernel.org/stable/c/df62fdcd004afa72ecbed0e862ebb983acd3aa57","https://git.kernel.org/stable/c/c7eeba47058532f6077d6a658e38b6698f6ae71a","https://git.kernel.org/stable/c/2ad31ce40e8182860b631e37209e93e543790b7c","https://git.kernel.org/stable/c/82abd1c37d3bf2a2658b34772c17a25a6f9cca42","https://git.kernel.org/stable/c/436b7cc7eae7851c184b671ed7a4a64c750b86f7","https://git.kernel.org/stable/c/1f656e483eb4733d62f18dfb206a49b78f60f495","https://git.kernel.org/stable/c/06a0716949c22e2aefb648526580671197151acc"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53189","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-53189","identifiers":["CVE-2023-53189"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-09T13:04:36.1502744+00:00","complete":true,"records":1769,"lastAttemptAt":"2026-11-09T13:04:36.1502744+00:00","lastSuccessAt":"2026-11-09T13:04:36.3089681+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:36.3089715+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-24e6fde7b744113daefb8f6135035fb8a5c69c9617c9c0d40574a0376532ffd3-bce548cb9713389d6cc2da20d64478978e569c118d9e3817d5449036d2c96da4","complete":true,"records":421424,"lastAttemptAt":"2026-11-09T13:02:24.4919458+00:00","lastSuccessAt":"2026-11-09T13:02:24.4462956+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:02:24.4919458+00:00","snapshotPublishedAt":"2026-11-09T12:31:22+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. 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-897f1f8852214f7d97a85b009edb7d92","complete":false,"records":13655,"lastAttemptAt":"2026-11-09T13:16:47.5163098+00:00","lastSuccessAt":"2026-11-09T13:16:47.505+00:00","error":"7 identifier lookups failed; latest failures include HTTP 403. Other identifiers were checked independently.","lastVerifiedAt":"2026-11-09T13:16:47.505+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13700,"expectedIdentifiers":13707,"failedIdentifiers":7},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-09T13:04:36.1502744+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-09T13:04:36.1502744+00:00","lastSuccessAt":"2026-11-09T13:04:36.3096956+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:36.3096959+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. No reader inventory is sent.","generation":"enrichment-fec5a400f2004099a6ceb2e015ba7713","complete":true,"records":13667,"lastAttemptAt":"2026-11-09T13:04:37.3410735+00:00","lastSuccessAt":"2026-11-09T13:04:37.338+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:37.338+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13707,"expectedIdentifiers":13707,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-980593e6977a6d1b4fb1eed5a1ffe88a468736f89f0a06f710924ad59132c023","complete":true,"records":9914,"lastAttemptAt":"2026-11-09T13:04:36.0102403+00:00","lastSuccessAt":"2026-11-08T11:07:07.068788+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:36.0102403+00:00","snapshotPublishedAt":"2026-11-08T11:02:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-fde804134ecdda0ddd5ff5c26ee1fff5a6fa659311f7ef2e51c6ad54964db0e2","complete":true,"records":1971,"lastAttemptAt":"2026-11-09T13:02:24.6845928+00:00","lastSuccessAt":"2026-11-06T19:03:17.0399903+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:02:24.6845928+00:00","snapshotPublishedAt":"2026-11-06T18:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-c905fa1bd26c7b261e77cc7202a86dc766ff31c2b096b501f3bf44f561e34970","complete":true,"records":3063,"lastAttemptAt":"2026-11-09T13:04:36.1177843+00:00","lastSuccessAt":"2026-11-09T12:02:21.7931207+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:36.1177843+00:00","snapshotPublishedAt":"2026-11-09T11:18:00+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-3e30324623f4d042faeccbd22ff1ab0b99d8d436d702bf285b288cefe802b265","complete":true,"records":231298,"lastAttemptAt":"2026-11-09T13:04:35.8866798+00:00","lastSuccessAt":"2026-11-09T13:04:34.5744206+00:00","error":null,"lastVerifiedAt":"2026-11-09T13:04:35.8866798+00:00","snapshotPublishedAt":"2026-11-09T12:33:12+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}