{"id":"CVE-2023-52464","revision":"2c24325618374927ac11fce57b634e42","records":[{"revision":"2c24325618374927ac11fce57b634e42","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2023-52464","aliases":[],"title":"EDAC/thunderx: Fix possible out-of-bounds string access","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nEDAC/thunderx: Fix possible out-of-bounds string access\n\nEnabling -Wstringop-overflow globally exposes a warning for a common bug\nin the usage of strncat():\n\n  drivers/edac/thunderx_edac.c: In function 'thunderx_ocx_com_threaded_isr':\n  drivers/edac/thunderx_edac.c:1136:17: error: 'strncat' specified bound 1024 equals destination size [-Werror=stringop-overflow=]\n   1136 |                 strncat(msg, other, OCX_MESSAGE_SIZE);\n        |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\n   ...\n   1145 |                                 strncat(msg, other, OCX_MESSAGE_SIZE);\n   ...\n   1150 |                                 strncat(msg, other, OCX_MESSAGE_SIZE);\n\n   ...\n\nApparently the author of this driver expected strncat() to behave the\nway that strlcat() does, which uses the size of the destination buffer\nas its third argument rather than the length of the source buffer. The\nresult is that there is no check on the size of the allocated buffer.\n\nChange it to strlcat().\n\n  [ bp: Trim compiler output, fixup commit message. ]","state":0,"publishedAt":"2024-02-23T14:46:24.15+00:00","modifiedAt":"2026-10-15T00:17:00.602+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/edac/thunderx_edac.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"41003396f932d7f027725c7acebb6a7caa41dc3e\",\n                            \"lessThan\": \"71c17ee02538802ceafc830f0736aa35b564e601\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"41003396f932d7f027725c7acebb6a7caa41dc3e\",\n                            \"lessThan\": \"5da3b6e7196f0b4f3728e4e25eb20233a9ddfaf6\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"41003396f932d7f027725c7acebb6a7caa41dc3e\",\n                            \"lessThan\": \"6aa7865ba7ff7f0ede0035180fb3b9400ceb405a\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"41003396f932d7f027725c7acebb6a7caa41dc3e\",\n                            \"lessThan\": \"700cf4bead80fac994dcc43ae1ca5d86d8959b21\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"41003396f932d7f027725c7acebb6a7caa41dc3e\",\n                            \"lessThan\": \"9dbac9fdae6e3b411fc4c3fca3bf48f70609c398\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"41003396f932d7f027725c7acebb6a7caa41dc3e\",\n                            \"lessThan\": \"e1c86511241588efffaa49556196f09a498d5057\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"41003396f932d7f027725c7acebb6a7caa41dc3e\",\n                            \"lessThan\": \"426fae93c01dffa379225eb2bd4d3cdc42c6eec5\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"41003396f932d7f027725c7acebb6a7caa41dc3e\",\n                            \"lessThan\": \"475c58e1a471e9b873e3e39958c64a2d278275c8\",\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/edac/thunderx_edac.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"4.12\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"4.12\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"4.19.306\",\n                            \"lessThanOrEqual\": \"4.19.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.4.268\",\n                            \"lessThanOrEqual\": \"5.4.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.209\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.148\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.75\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.14\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.7.2\",\n                            \"lessThanOrEqual\": \"6.7.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.8\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://git.kernel.org/stable/c/71c17ee02538802ceafc830f0736aa35b564e601","https://git.kernel.org/stable/c/5da3b6e7196f0b4f3728e4e25eb20233a9ddfaf6","https://git.kernel.org/stable/c/6aa7865ba7ff7f0ede0035180fb3b9400ceb405a","https://git.kernel.org/stable/c/700cf4bead80fac994dcc43ae1ca5d86d8959b21","https://git.kernel.org/stable/c/9dbac9fdae6e3b411fc4c3fca3bf48f70609c398","https://git.kernel.org/stable/c/e1c86511241588efffaa49556196f09a498d5057","https://git.kernel.org/stable/c/426fae93c01dffa379225eb2bd4d3cdc42c6eec5","https://git.kernel.org/stable/c/475c58e1a471e9b873e3e39958c64a2d278275c8"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-52464","license":"CVE Program Terms of Use","key":"cve-program:CVE-2023-52464","identifiers":["CVE-2023-52464"]},"retained":false,"historicalAffected":[]}],"coverage":[]}