{"id":"CVE-2025-38471","revision":null,"records":[{"revision":"f2318c6bd314446ba9f1cceae414dc99","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-38471","aliases":[],"title":"tls: always refresh the queue when reading sock","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ntls: always refresh the queue when reading sock\n\nAfter recent changes in net-next TCP compacts skbs much more\naggressively. This unearthed a bug in TLS where we may try\nto operate on an old skb when checking if all skbs in the\nqueue have matching decrypt state and geometry.\n\n BUG: KASAN: slab-use-after-free in tls_strp_check_rcv+0x898/0x9a0 [tls]\n (net/tls/tls_strp.c:436 net/tls/tls_strp.c:530 net/tls/tls_strp.c:544)\n Read of size 4 at addr ffff888013085750 by task tls/13529\n\n CPU: 2 UID: 0 PID: 13529 Comm: tls Not tainted 6.16.0-rc5-virtme\n Call Trace:\n kasan_report+0xca/0x100\n tls_strp_check_rcv+0x898/0x9a0 [tls]\n tls_rx_rec_wait+0x2c9/0x8d0 [tls]\n tls_sw_recvmsg+0x40f/0x1aa0 [tls]\n inet_recvmsg+0x1c3/0x1f0\n\nAlways reload the queue, fast path is to have the record in the queue\nwhen we wake, anyway (IOW the path going down \"if !strp->stm.full_len\").","state":0,"publishedAt":"2025-07-28T11:21:32.927+00:00","modifiedAt":"2026-10-15T01:07:24.522+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/tls/tls_strp.c\"\n ],\n \"versions\": [\n {\n \"version\": \"0d87bbd39d7fd1135ab9eca672d760470f6508e8\",\n \"lessThan\": \"730fed2ff5e259495712518e18d9f521f61972bb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0d87bbd39d7fd1135ab9eca672d760470f6508e8\",\n \"lessThan\": \"1f3a429c21e0e43e8b8c55d30701e91411a4df02\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0d87bbd39d7fd1135ab9eca672d760470f6508e8\",\n \"lessThan\": \"cdb767915fc9a15d88d19d52a1455f1dc3e5ddc8\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0d87bbd39d7fd1135ab9eca672d760470f6508e8\",\n \"lessThan\": \"c76f6f437c46b2390888e0e1dc7aafafa9f4e0c6\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"0d87bbd39d7fd1135ab9eca672d760470f6508e8\",\n \"lessThan\": \"4ab26bce3969f8fd925fe6f6f551e4d1a508c68b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"2277d7cbdf47531b2c3cd01ba15255fa955aab35\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"6.0.6\",\n \"lessThan\": \"6.1\",\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/tls/tls_strp.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6.1\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.1\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.147\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.100\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.40\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.15.8\",\n \"lessThanOrEqual\": \"6.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.16\",\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:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/730fed2ff5e259495712518e18d9f521f61972bb","https://git.kernel.org/stable/c/1f3a429c21e0e43e8b8c55d30701e91411a4df02","https://git.kernel.org/stable/c/cdb767915fc9a15d88d19d52a1455f1dc3e5ddc8","https://git.kernel.org/stable/c/c76f6f437c46b2390888e0e1dc7aafafa9f4e0c6","https://git.kernel.org/stable/c/4ab26bce3969f8fd925fe6f6f551e4d1a508c68b"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-38471","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-38471","identifiers":["CVE-2025-38471"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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