{"id":"CVE-2023-52607","summary":"powerpc/mm: Fix null-pointer dereference in pgtable_cache_add","details":"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.","modified":"2026-04-11T12:46:33.491327Z","published":"2024-03-06T06:45:31.769Z","related":["SUSE-SU-2024:1454-1","SUSE-SU-2024:1465-1","SUSE-SU-2024:1466-1","SUSE-SU-2024:1480-1","SUSE-SU-2024:1489-1","SUSE-SU-2024:1490-1","SUSE-SU-2024:1641-1","SUSE-SU-2024:1643-1","SUSE-SU-2024:1646-1","SUSE-SU-2024:1647-1","SUSE-SU-2024:1870-1","USN-6818-2","USN-6819-2"],"database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52607.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/145febd85c3bcc5c74d87ef9a598fc7d9122d532"},{"type":"WEB","url":"https://git.kernel.org/stable/c/21e45a7b08d7cd98d6a53c5fc5111879f2d96611"},{"type":"WEB","url":"https://git.kernel.org/stable/c/aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ac3ed969a40357b0542d20f096a6d43acdfa6cc7"},{"type":"WEB","url":"https://git.kernel.org/stable/c/d482d61025e303a2bef3733a011b6b740215cfa1"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f46c8a75263f97bda13c739ba1c90aced0d3b071"},{"type":"WEB","url":"https://git.kernel.org/stable/c/f6781add1c311c17eff43e14c786004bbacf901e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ffd29dc45bc0355393859049f6becddc3ed08f74"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52607.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52607"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"a0668cdc154e54bf0c85182e0535eea237d53146"},{"fixed":"21e45a7b08d7cd98d6a53c5fc5111879f2d96611"},{"fixed":"f6781add1c311c17eff43e14c786004bbacf901e"},{"fixed":"aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b"},{"fixed":"ac3ed969a40357b0542d20f096a6d43acdfa6cc7"},{"fixed":"d482d61025e303a2bef3733a011b6b740215cfa1"},{"fixed":"145febd85c3bcc5c74d87ef9a598fc7d9122d532"},{"fixed":"ffd29dc45bc0355393859049f6becddc3ed08f74"},{"fixed":"f46c8a75263f97bda13c739ba1c90aced0d3b071"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52607.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.33"},{"fixed":"4.19.307"}]},{"type":"ECOSYSTEM","events":[{"introduced":"4.20.0"},{"fixed":"5.4.269"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.5.0"},{"fixed":"5.10.210"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.149"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.77"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.16"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.7.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-52607.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}