{"id":"CVE-2023-54306","revision":"bf2cd80d5c9f410196c653056385fc90","records":[{"revision":"bf2cd80d5c9f410196c653056385fc90","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-54306","aliases":[],"title":"net: tls: avoid hanging tasks on the tx_lock","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: tls: avoid hanging tasks on the tx_lock\n\nsyzbot sent a hung task report and Eric explains that adversarial\nreceiver may keep RWIN at 0 for a long time, so we are not guaranteed\nto make forward progress. Thread which took tx_lock and went to sleep\nmay not release tx_lock for hours. Use interruptible sleep where\npossible and reschedule the work if it can't take the lock.\n\nTesting: existing selftest passes","state":0,"publishedAt":"2025-12-30T12:23:39.833+00:00","modifiedAt":"2026-10-15T21:41:44.334+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_sw.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"79ffe6087e9145d2377385cac48d0d6a6b4225a5\",\n                            \"lessThan\": \"bde541a57b4204d0a800afbbd3d1c06c9cdb133f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"79ffe6087e9145d2377385cac48d0d6a6b4225a5\",\n                            \"lessThan\": \"7123a4337bf73132bbfb5437e4dc83ba864a9a1e\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"79ffe6087e9145d2377385cac48d0d6a6b4225a5\",\n                            \"lessThan\": \"be5d5d0637fd88c18ee76024bdb22649a1de00d6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"79ffe6087e9145d2377385cac48d0d6a6b4225a5\",\n                            \"lessThan\": \"1f800f6aae57d2d8f63d32fff383017cbc11cf65\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"79ffe6087e9145d2377385cac48d0d6a6b4225a5\",\n                            \"lessThan\": \"ccf1ccdc5926907befbe880b562b2a4b5f44c087\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"79ffe6087e9145d2377385cac48d0d6a6b4225a5\",\n                            \"lessThan\": \"f3221361dc85d4de22586ce8441ec2c67b454f5d\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"c8d6817345f4ba228d07380e571676405e112872\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"5.3.11\",\n                            \"lessThan\": \"5.4\",\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_sw.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"5.4\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"5.4\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.235\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.173\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.100\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.18\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.2.5\",\n                            \"lessThanOrEqual\": \"6.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.3\",\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/bde541a57b4204d0a800afbbd3d1c06c9cdb133f","https://git.kernel.org/stable/c/7123a4337bf73132bbfb5437e4dc83ba864a9a1e","https://git.kernel.org/stable/c/be5d5d0637fd88c18ee76024bdb22649a1de00d6","https://git.kernel.org/stable/c/1f800f6aae57d2d8f63d32fff383017cbc11cf65","https://git.kernel.org/stable/c/ccf1ccdc5926907befbe880b562b2a4b5f44c087","https://git.kernel.org/stable/c/f3221361dc85d4de22586ce8441ec2c67b454f5d"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-54306","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-54306","identifiers":["CVE-2023-54306"]},"retained":false,"historicalAffected":[]}],"coverage":[]}