{"id":"CVE-2023-52526","summary":"erofs: fix memory leak of LZMA global compressed deduplication","details":"In the Linux kernel, the following vulnerability has been resolved:\n\nerofs: fix memory leak of LZMA global compressed deduplication\n\nWhen stressing microLZMA EROFS images with the new global compressed\ndeduplication feature enabled (`-Ededupe`), I found some short-lived\ntemporary pages weren't properly released, which could slowly cause\nunexpected OOMs hours later.\n\nLet's fix it now (LZ4 and DEFLATE don't have this issue.)","modified":"2026-08-12T03:51:44.223539096Z","published":"2024-03-02T21:52:32.261Z","database_specific":{"osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52526.json","cna_assigner":"Linux"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/6a5a8f0a9740f865693d5aa97a42cc4504538e18"},{"type":"WEB","url":"https://git.kernel.org/stable/c/75a5221630fe5aa3fedba7a06be618db0f79ba1e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/c955751cbf864cf2055117dd3fe7f780d2a57b56"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/52xxx/CVE-2023-52526.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-52526"},{"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":"5c2a64252c5dc4cfe78e5b2a531c118894e3d155"},{"fixed":"6a5a8f0a9740f865693d5aa97a42cc4504538e18"},{"fixed":"c955751cbf864cf2055117dd3fe7f780d2a57b56"},{"fixed":"75a5221630fe5aa3fedba7a06be618db0f79ba1e"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52526.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"6.1.0"},{"fixed":"6.1.57"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.5.7"}]}],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-52526.json"}}],"schema_version":"1.9.0"}