{"api_version":"1","generated_at":"2026-08-13T09:15:02+00:00","cve":"CVE-2023-54306","urls":{"html":"https://cve.report/CVE-2023-54306","api":"https://cve.report/api/cve/CVE-2023-54306.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-54306","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-54306"},"summary":{"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":"PUBLISHED","assigner":"Linux","published_at":"2025-12-30 13:16:19","updated_at":"2026-08-04 11:16:39"},"problem_types":[],"metrics":[{"version":"3.1","source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"}},{"version":"3.1","source":"CNA","type":"DECLARED","score":"7.5","severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","data":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"url":"https://git.kernel.org/stable/c/7123a4337bf73132bbfb5437e4dc83ba864a9a1e","name":"https://git.kernel.org/stable/c/7123a4337bf73132bbfb5437e4dc83ba864a9a1e","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/bde541a57b4204d0a800afbbd3d1c06c9cdb133f","name":"https://git.kernel.org/stable/c/bde541a57b4204d0a800afbbd3d1c06c9cdb133f","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/1f800f6aae57d2d8f63d32fff383017cbc11cf65","name":"https://git.kernel.org/stable/c/1f800f6aae57d2d8f63d32fff383017cbc11cf65","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/f3221361dc85d4de22586ce8441ec2c67b454f5d","name":"https://git.kernel.org/stable/c/f3221361dc85d4de22586ce8441ec2c67b454f5d","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ccf1ccdc5926907befbe880b562b2a4b5f44c087","name":"https://git.kernel.org/stable/c/ccf1ccdc5926907befbe880b562b2a4b5f44c087","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/be5d5d0637fd88c18ee76024bdb22649a1de00d6","name":"https://git.kernel.org/stable/c/be5d5d0637fd88c18ee76024bdb22649a1de00d6","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-54306","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-54306","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 79ffe6087e9145d2377385cac48d0d6a6b4225a5 bde541a57b4204d0a800afbbd3d1c06c9cdb133f git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 79ffe6087e9145d2377385cac48d0d6a6b4225a5 7123a4337bf73132bbfb5437e4dc83ba864a9a1e git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 79ffe6087e9145d2377385cac48d0d6a6b4225a5 be5d5d0637fd88c18ee76024bdb22649a1de00d6 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 79ffe6087e9145d2377385cac48d0d6a6b4225a5 1f800f6aae57d2d8f63d32fff383017cbc11cf65 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 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00:14:20"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["net/tls/tls_sw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"bde541a57b4204d0a800afbbd3d1c06c9cdb133f","status":"affected","version":"79ffe6087e9145d2377385cac48d0d6a6b4225a5","versionType":"git"},{"lessThan":"7123a4337bf73132bbfb5437e4dc83ba864a9a1e","status":"affected","version":"79ffe6087e9145d2377385cac48d0d6a6b4225a5","versionType":"git"},{"lessThan":"be5d5d0637fd88c18ee76024bdb22649a1de00d6","status":"affected","version":"79ffe6087e9145d2377385cac48d0d6a6b4225a5","versionType":"git"},{"lessThan":"1f800f6aae57d2d8f63d32fff383017cbc11cf65","status":"affected","version":"79ffe6087e9145d2377385cac48d0d6a6b4225a5","versionType":"git"},{"lessThan":"ccf1ccdc5926907befbe880b562b2a4b5f44c087","status":"affected","version":"79ffe6087e9145d2377385cac48d0d6a6b4225a5","versionType":"git"},{"lessThan":"f3221361dc85d4de22586ce8441ec2c67b454f5d","status":"affected","version":"79ffe6087e9145d2377385cac48d0d6a6b4225a5","versionType":"git"},{"status":"affected","version":"c8d6817345f4ba228d07380e571676405e112872","versionType":"git"},{"lessThan":"5.4","status":"affected","version":"5.3.11","versionType":"semver"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["net/tls/tls_sw.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"5.4"},{"lessThan":"5.4","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"5.4.*","status":"unaffected","version":"5.4.235","versionType":"semver"},{"lessThanOrEqual":"5.10.*","status":"unaffected","version":"5.10.173","versionType":"semver"},{"lessThanOrEqual":"5.15.*","status":"unaffected","version":"5.15.100","versionType":"semver"},{"lessThanOrEqual":"6.1.*","status":"unaffected","version":"6.1.18","versionType":"semver"},{"lessThanOrEqual":"6.2.*","status":"unaffected","version":"6.2.5","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"6.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.4.235","versionStartIncluding":"5.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.10.173","versionStartIncluding":"5.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"5.15.100","versionStartIncluding":"5.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.1.18","versionStartIncluding":"5.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.2.5","versionStartIncluding":"5.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.3","versionStartIncluding":"5.4","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.3.11","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"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"}],"metrics":[{"cvssV3_1":{"baseScore":7.5,"baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"providerMetadata":{"dateUpdated":"2026-08-04T09:18:56.690Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/bde541a57b4204d0a800afbbd3d1c06c9cdb133f"},{"url":"https://git.kernel.org/stable/c/7123a4337bf73132bbfb5437e4dc83ba864a9a1e"},{"url":"https://git.kernel.org/stable/c/be5d5d0637fd88c18ee76024bdb22649a1de00d6"},{"url":"https://git.kernel.org/stable/c/1f800f6aae57d2d8f63d32fff383017cbc11cf65"},{"url":"https://git.kernel.org/stable/c/ccf1ccdc5926907befbe880b562b2a4b5f44c087"},{"url":"https://git.kernel.org/stable/c/f3221361dc85d4de22586ce8441ec2c67b454f5d"}],"title":"net: tls: avoid hanging tasks on the tx_lock","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2023-54306","datePublished":"2025-12-30T12:23:39.833Z","dateReserved":"2025-12-30T12:06:44.529Z","dateUpdated":"2026-08-04T09:18:56.690Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2025-12-30 13:16:19","lastModifiedDate":"2026-08-04 11:16:39","problem_types":[],"metrics":{"cvssMetricV31":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","baseScore":7.5,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH"},"exploitabilityScore":3.9,"impactScore":3.6}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2023","CveId":"54306","Ordinal":"1","Title":"net: tls: avoid hanging tasks on the tx_lock","CVE":"CVE-2023-54306","Year":"2023"},"notes":[{"CveYear":"2023","CveId":"54306","Ordinal":"1","NoteData":"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","Type":"Description","Title":"net: tls: avoid hanging tasks on the tx_lock"}]}}}