{"cve":"CVE-2023-52669","nvd":{"published":"2024-05-17T14:15:09.827","modified":"2026-08-04T10:18:37.227","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: s390/aes - Fix buffer overread in CTR mode\n\nWhen processing the last block, the s390 ctr code will always read\na whole block, even if there isn't a whole block of data left.  Fix\nthis by using the actual length left and copy it into a buffer first\nfor processing.","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-787"],"references":["https://git.kernel.org/stable/c/a7f580cdb42ec3d53bbb7c4e4335a98423703285","https://git.kernel.org/stable/c/cd51e26a3b89706beec64f2d8296cfb1c34e0c79","https://git.kernel.org/stable/c/d07f951903fa9922c375b8ab1ce81b18a0034e3b","https://git.kernel.org/stable/c/d68ac38895e84446848b7647ab9458d54cacba3e","https://git.kernel.org/stable/c/dbc9a791a70ea47be9f2acf251700fe254a2ab23"],"products":["debian:debian_linux","linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:50:30.954589733+00:00"},"epss":{"cve":"CVE-2023-52669","score":0.00684,"percentile":0.52597,"date":"2026-10-31"},"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."]}