{"cve":"CVE-2023-52607","nvd":{"published":"2024-03-06T07:15:11.970","modified":"2026-06-17T06:43:08.713","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\npowerpc/mm: Fix null-pointer dereference in pgtable_cache_add\n\nkasprintf() returns a pointer to dynamically allocated memory\nwhich can be NULL upon failure. Ensure the allocation was successful\nby checking the pointer validity.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H","score":5.5},"cwes":["CWE-476"],"references":["https://git.kernel.org/stable/c/145febd85c3bcc5c74d87ef9a598fc7d9122d532","https://git.kernel.org/stable/c/21e45a7b08d7cd98d6a53c5fc5111879f2d96611","https://git.kernel.org/stable/c/aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b","https://git.kernel.org/stable/c/ac3ed969a40357b0542d20f096a6d43acdfa6cc7","https://git.kernel.org/stable/c/d482d61025e303a2bef3733a011b6b740215cfa1"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T21:46:54.846886191+00:00"},"epss":{"cve":"CVE-2023-52607","score":0.00234,"percentile":0.14317,"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."]}