{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-53375", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-09-17T14:54:09.735Z", "datePublished": "2025-09-18T13:33:21.664Z", "dateUpdated": "2026-05-11T19:43:44.032Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T19:43:44.032Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\ntracing: Free error logs of tracing instances\n\nWhen a tracing instance is removed, the error messages that hold errors\nthat occurred in the instance needs to be freed. The following reports a\nmemory leak:\n\n # cd /sys/kernel/tracing\n # mkdir instances/foo\n # echo 'hist:keys=x' > instances/foo/events/sched/sched_switch/trigger\n # cat instances/foo/error_log\n [ 117.404795] hist:sched:sched_switch: error: Couldn't find field\n Command: hist:keys=x\n ^\n # rmdir instances/foo\n\nThen check for memory leaks:\n\n # echo scan > /sys/kernel/debug/kmemleak\n # cat /sys/kernel/debug/kmemleak\nunreferenced object 0xffff88810d8ec700 (size 192):\n comm \"bash\", pid 869, jiffies 4294950577 (age 215.752s)\n hex dump (first 32 bytes):\n 60 dd 68 61 81 88 ff ff 60 dd 68 61 81 88 ff ff `.ha....`.ha....\n a0 30 8c 83 ff ff ff ff 26 00 0a 00 00 00 00 00 .0......&.......\n backtrace:\n [<00000000dae26536>] kmalloc_trace+0x2a/0xa0\n [<00000000b2938940>] tracing_log_err+0x277/0x2e0\n [<000000004a0e1b07>] parse_atom+0x966/0xb40\n [<0000000023b24337>] parse_expr+0x5f3/0xdb0\n [<00000000594ad074>] event_hist_trigger_parse+0x27f8/0x3560\n [<00000000293a9645>] trigger_process_regex+0x135/0x1a0\n [<000000005c22b4f2>] event_trigger_write+0x87/0xf0\n [<000000002cadc509>] vfs_write+0x162/0x670\n [<0000000059c3b9be>] ksys_write+0xca/0x170\n [<00000000f1cddc00>] do_syscall_64+0x3e/0xc0\n [<00000000868ac68c>] entry_SYSCALL_64_after_hwframe+0x72/0xdc\nunreferenced object 0xffff888170c35a00 (size 32):\n comm \"bash\", pid 869, jiffies 4294950577 (age 215.752s)\n hex dump (first 32 bytes):\n 0a 20 20 43 6f 6d 6d 61 6e 64 3a 20 68 69 73 74 . Command: hist\n 3a 6b 65 79 73 3d 78 0a 00 00 00 00 00 00 00 00 :keys=x.........\n backtrace:\n [<000000006a747de5>] __kmalloc+0x4d/0x160\n [<000000000039df5f>] tracing_log_err+0x29b/0x2e0\n [<000000004a0e1b07>] parse_atom+0x966/0xb40\n [<0000000023b24337>] parse_expr+0x5f3/0xdb0\n [<00000000594ad074>] event_hist_trigger_parse+0x27f8/0x3560\n [<00000000293a9645>] trigger_process_regex+0x135/0x1a0\n [<000000005c22b4f2>] event_trigger_write+0x87/0xf0\n [<000000002cadc509>] vfs_write+0x162/0x670\n [<0000000059c3b9be>] ksys_write+0xca/0x170\n [<00000000f1cddc00>] do_syscall_64+0x3e/0xc0\n [<00000000868ac68c>] entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\nThe problem is that the error log needs to be freed when the instance is\nremoved." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "kernel/trace/trace.c" ], "versions": [ { "version": "2f754e771b1a6feba670782e82c45555984ac43b", "lessThan": "987f599fc556a4e64c405d8dde32c70311e8c278", "status": "affected", "versionType": "git" }, { "version": "2f754e771b1a6feba670782e82c45555984ac43b", "lessThan": "6e36373aa5ffa8e00fe7c71b3209f6f17081e552", "status": "affected", "versionType": "git" }, { "version": "2f754e771b1a6feba670782e82c45555984ac43b", "lessThan": "33d5d4e67a0e13c3ca6257fa67bf6503bc000878", "status": "affected", "versionType": "git" }, { "version": "2f754e771b1a6feba670782e82c45555984ac43b", "lessThan": "c0cf0f55be043ef67c38f492aa37ed1986d2f6b6", "status": "affected", "versionType": "git" }, { "version": "2f754e771b1a6feba670782e82c45555984ac43b", "lessThan": "46771c34d6721abfd9e7903eaed2201051eebec6", "status": "affected", "versionType": "git" }, { "version": "2f754e771b1a6feba670782e82c45555984ac43b", "lessThan": "3357c6e429643231e60447b52ffbb7ac895aca22", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "kernel/trace/trace.c" ], "versions": [ { "version": "5.2", "status": "affected" }, { "version": "0", "lessThan": "5.2", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.241", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.178", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.107", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.24", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.2.11", "lessThanOrEqual": "6.2.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.3", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.4.241" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.10.178" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "5.15.107" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "6.1.24" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "6.2.11" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.2", "versionEndExcluding": "6.3" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/987f599fc556a4e64c405d8dde32c70311e8c278" }, { "url": "https://git.kernel.org/stable/c/6e36373aa5ffa8e00fe7c71b3209f6f17081e552" }, { "url": "https://git.kernel.org/stable/c/33d5d4e67a0e13c3ca6257fa67bf6503bc000878" }, { "url": "https://git.kernel.org/stable/c/c0cf0f55be043ef67c38f492aa37ed1986d2f6b6" }, { "url": "https://git.kernel.org/stable/c/46771c34d6721abfd9e7903eaed2201051eebec6" }, { "url": "https://git.kernel.org/stable/c/3357c6e429643231e60447b52ffbb7ac895aca22" } ], "title": "tracing: Free error logs of tracing instances", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "LOW", "confidentialityImpact": "NONE" } }, { "other": { "type": "ssvc", "content": { "id": "CVE-2023-53375", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2026-01-14T18:54:41.639003Z" } } } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "type": "CWE", "cweId": "CWE-401", "description": "CWE-401 Missing Release of Memory after Effective Lifetime" } ] } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-14T19:03:03.455Z" } } ] } }