{"id":"CVE-2026-72485","revision":null,"records":[{"revision":"fe864243b1a04ee5a6bff26177fbd030","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-72485","aliases":[],"title":"coresight: platform: defer connection counter increment until alloc succeeds","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncoresight: platform: defer connection counter increment until alloc succeeds\n\ncoresight_add_out_conn() increments nr_outconns before calling\ndevm_krealloc_array() and again before devm_kmalloc(). If either\nallocation fails, the counter is already bumped while the corresponding\narray entry is NULL or uninitialized garbage.\n\ncoresight_add_in_conn() has the same problem with nr_inconns and\ndevm_krealloc_array().\n\nIn both cases the probe returns -ENOMEM, which causes\ncoresight_get_platform_data() to call coresight_release_platform_data()\nfor cleanup. That function iterates up to nr_outconns (or nr_inconns)\nentries and dereferences each pointer unconditionally, hitting the NULL\nor garbage entry and panicking instead of failing gracefully.\n\nFix by moving the counter increments to after all allocations succeed,\nso the struct is always consistent on any error path.","state":0,"publishedAt":"2026-08-15T05:57:22.17+00:00","modifiedAt":"2026-10-03T10:55:54.492+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 \"drivers/hwtracing/coresight/coresight-platform.c\"\n ],\n \"versions\": [\n {\n \"version\": \"3d4ff657e454f8dba3e5e268e731e6e28c6031c1\",\n \"lessThan\": \"dd3c9e1c9858c797ba78f4ca6c0fc663eeac6d72\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"3d4ff657e454f8dba3e5e268e731e6e28c6031c1\",\n \"lessThan\": \"aed6915c2f304ed34281856c53e374483c71b68b\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"3d4ff657e454f8dba3e5e268e731e6e28c6031c1\",\n \"lessThan\": \"09c44549820df67048be3ba19c723bac72ebb98e\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"3d4ff657e454f8dba3e5e268e731e6e28c6031c1\",\n \"lessThan\": \"8ca9adc805884d3bb5038082462577f86c2c4a10\",\n \"status\": \"affected\",\n \"versionType\": \"git\"\n },\n {\n \"version\": \"3d4ff657e454f8dba3e5e268e731e6e28c6031c1\",\n \"lessThan\": \"1563ae33dc4f5ebac96b93af2ef72e72aaaa31ae\",\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 \"drivers/hwtracing/coresight/coresight-platform.c\"\n ],\n \"versions\": [\n {\n \"version\": \"6.5\",\n \"status\": \"affected\"\n },\n {\n \"version\": \"0\",\n \"lessThan\": \"6.5\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.6.158\",\n \"lessThanOrEqual\": \"6.6.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.12.111\",\n \"lessThanOrEqual\": \"6.12.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"6.18.53\",\n \"lessThanOrEqual\": \"6.18.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.1.5\",\n \"lessThanOrEqual\": \"7.1.*\",\n \"status\": \"unaffected\",\n \"versionType\": \"semver\"\n },\n {\n \"version\": \"7.2\",\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/dd3c9e1c9858c797ba78f4ca6c0fc663eeac6d72","https://git.kernel.org/stable/c/aed6915c2f304ed34281856c53e374483c71b68b","https://git.kernel.org/stable/c/09c44549820df67048be3ba19c723bac72ebb98e","https://git.kernel.org/stable/c/8ca9adc805884d3bb5038082462577f86c2c4a10","https://git.kernel.org/stable/c/1563ae33dc4f5ebac96b93af2ef72e72aaaa31ae"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-72485","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-72485","identifiers":["CVE-2026-72485"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. 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