{"cve":"CVE-2023-52464","nvd":{"published":"2024-02-23T15:15:08.647","modified":"2026-10-15T01:17:14.287","status":"Modified","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. ]","cvss_v4":null,"cvss_v3":{"version":"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},"cwes":["CWE-119"],"references":["https://git.kernel.org/stable/c/426fae93c01dffa379225eb2bd4d3cdc42c6eec5","https://git.kernel.org/stable/c/475c58e1a471e9b873e3e39958c64a2d278275c8","https://git.kernel.org/stable/c/5da3b6e7196f0b4f3728e4e25eb20233a9ddfaf6","https://git.kernel.org/stable/c/6aa7865ba7ff7f0ede0035180fb3b9400ceb405a","https://git.kernel.org/stable/c/700cf4bead80fac994dcc43ae1ca5d86d8959b21"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:45:59.823092188+00:00"},"epss":{"cve":"CVE-2023-52464","score":0.00266,"percentile":0.18308,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}