{"id":"CVE-2023-53587","revision":null,"records":[{"revision":"a76c3de4e30d4b61bd5ed14987e6522d","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-53587","aliases":[],"title":"ring-buffer: Sync IRQ works before buffer destruction","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nring-buffer: Sync IRQ works before buffer destruction\n\nIf something was written to the buffer just before destruction,\nit may be possible (maybe not in a real system, but it did\nhappen in ARCH=um with time-travel) to destroy the ringbuffer\nbefore the IRQ work ran, leading this KASAN report (or a crash\nwithout KASAN):\n\n BUG: KASAN: slab-use-after-free in irq_work_run_list+0x11a/0x13a\n Read of size 8 at addr 000000006d640a48 by task swapper/0\n\n CPU: 0 PID: 0 Comm: swapper Tainted: G W O 6.3.0-rc1 #7\n Stack:\n 60c4f20f 0c203d48 41b58ab3 60f224fc\n 600477fa 60f35687 60c4f20f 601273dd\n 00000008 6101eb00 6101eab0 615be548\n Call Trace:\n [<60047a58>] show_stack+0x25e/0x282\n [<60c609e0>] dump_stack_lvl+0x96/0xfd\n [<60c50d4c>] print_report+0x1a7/0x5a8\n [<603078d3>] kasan_report+0xc1/0xe9\n [<60308950>] __asan_report_load8_noabort+0x1b/0x1d\n [<60232844>] irq_work_run_list+0x11a/0x13a\n [<602328b4>] irq_work_tick+0x24/0x34\n [<6017f9dc>] update_process_times+0x162/0x196\n [<6019f335>] tick_sched_handle+0x1a4/0x1c3\n [<6019fd9e>] tick_sched_timer+0x79/0x10c\n [<601812b9>] __hrtimer_run_queues.constprop.0+0x425/0x695\n [<60182913>] hrtimer_interrupt+0x16c/0x2c4\n [<600486a3>] um_timer+0x164/0x183\n [...]\n\n Allocated by task 411:\n save_stack_trace+0x99/0xb5\n stack_trace_save+0x81/0x9b\n kasan_save_stack+0x2d/0x54\n kasan_set_track+0x34/0x3e\n kasan_save_alloc_info+0x25/0x28\n ____kasan_kmalloc+0x8b/0x97\n __kasan_kmalloc+0x10/0x12\n __kmalloc+0xb2/0xe8\n load_elf_phdrs+0xee/0x182\n [...]\n\n The buggy address belongs to the object at 000000006d640800\n which belongs to the cache kmalloc-1k of size 1024\n The buggy address is located 584 bytes inside of\n freed 1024-byte region [000000006d640800, 000000006d640c00)\n\nAdd the appropriate irq_work_sync() so the work finishes before\nthe buffers are destroyed.\n\nPrior to the commit in the Fixes tag below, there was only a\nsingle global IRQ work, so this issue didn't exist.","state":0,"publishedAt":"2025-10-04T15:44:02.679+00:00","modifiedAt":"2026-10-15T21:41:31.118+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 \"kernel/trace/ring_buffer.c\"\n ],\n \"versions\": [\n {\n \"version\": \"15693458c4bc0693fd63a50d60f35b628fcf4e29\",\n \"lessThan\": \"372c5ee537b8366b64b691ba29e9335525e1655e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"15693458c4bc0693fd63a50d60f35b628fcf4e29\",\n \"lessThan\": \"2702b67f59d455072a08dc40312f9b090d4dec04\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"15693458c4bc0693fd63a50d60f35b628fcf4e29\",\n \"lessThan\": \"2399b1fda025e939b6fb1ac94505bcf718534e65\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"15693458c4bc0693fd63a50d60f35b628fcf4e29\",\n \"lessThan\": \"1c99f65d6af2a454bfd5207b4f6a97c8474a1191\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"15693458c4bc0693fd63a50d60f35b628fcf4e29\",\n \"lessThan\": \"c63741e872fcfb10e153517750f7908f0c00f60d\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"15693458c4bc0693fd63a50d60f35b628fcf4e29\",\n \"lessThan\": \"d9834abd8b24d1fe8092859e436fe1e0fd467c61\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"15693458c4bc0693fd63a50d60f35b628fcf4e29\",\n \"lessThan\": \"fc6858b7f8e1221f62ce8c6ff8a13a349c32cd76\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"15693458c4bc0693fd63a50d60f35b628fcf4e29\",\n \"lessThan\": \"0a65165bd24ee9231191597b7c232376fcd70cdb\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"15693458c4bc0693fd63a50d60f35b628fcf4e29\",\n \"lessThan\": \"675751bb20634f981498c7d66161584080cc061e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\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 \"kernel/trace/ring_buffer.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3.10\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"3.10\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.14.315\",\n \"lessThanOrEqual\": \"4.14.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"4.19.283\",\n \"lessThanOrEqual\": \"4.19.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.4.243\",\n \"lessThanOrEqual\": \"5.4.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.10.180\",\n \"lessThanOrEqual\": \"5.10.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"5.15.111\",\n \"lessThanOrEqual\": \"5.15.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.1.28\",\n \"lessThanOrEqual\": \"6.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.2.15\",\n \"lessThanOrEqual\": \"6.2.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.3.2\",\n \"lessThanOrEqual\": \"6.3.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.4\",\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/372c5ee537b8366b64b691ba29e9335525e1655e","https://git.kernel.org/stable/c/2702b67f59d455072a08dc40312f9b090d4dec04","https://git.kernel.org/stable/c/2399b1fda025e939b6fb1ac94505bcf718534e65","https://git.kernel.org/stable/c/1c99f65d6af2a454bfd5207b4f6a97c8474a1191","https://git.kernel.org/stable/c/c63741e872fcfb10e153517750f7908f0c00f60d","https://git.kernel.org/stable/c/d9834abd8b24d1fe8092859e436fe1e0fd467c61","https://git.kernel.org/stable/c/fc6858b7f8e1221f62ce8c6ff8a13a349c32cd76","https://git.kernel.org/stable/c/0a65165bd24ee9231191597b7c232376fcd70cdb","https://git.kernel.org/stable/c/675751bb20634f981498c7d66161584080cc061e"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53587","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-53587","identifiers":["CVE-2023-53587"]},"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-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. 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