{"cve":"CVE-2023-53852","nvd":{"published":"2025-12-09T16:17:25.797","modified":"2026-06-17T06:46:11.123","status":"Deferred","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-core: fix memory leak in dhchap_secret_store\n\nFree dhchap_secret in nvme_ctrl_dhchap_secret_store() before we return\nfix following kmemleack:-\n\nunreferenced object 0xffff8886376ea800 (size 64):\n  comm \"check\", pid 22048, jiffies 4344316705 (age 92.199s)\n  hex dump (first 32 bytes):\n    44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67  DHHC-1:00:nxr5Kg\n    75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c  uX4uoAxsJa4c/huL\n  backtrace:\n    [<0000000030ce5d4b>] __kmalloc+0x4b/0x130\n    [<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core]\n    [<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0\n    [<00000000437e7ced>] vfs_write+0x2ba/0x3c0\n    [<00000000f9491baf>] ksys_write+0x5f/0xe0\n    [<000000001c46513d>] do_syscall_64+0x3b/0x90\n    [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc\nunreferenced object 0xffff8886376eaf00 (size 64):\n  comm \"check\", pid 22048, jiffies 4344316736 (age 92.168s)\n  hex dump (first 32 bytes):\n    44 48 48 43 2d 31 3a 30 30 3a 6e 78 72 35 4b 67  DHHC-1:00:nxr5Kg\n    75 58 34 75 6f 41 78 73 4a 61 34 63 2f 68 75 4c  uX4uoAxsJa4c/huL\n  backtrace:\n    [<0000000030ce5d4b>] __kmalloc+0x4b/0x130\n    [<000000009be1cdc1>] nvme_ctrl_dhchap_secret_store+0x8f/0x160 [nvme_core]\n    [<00000000ac06c96a>] kernfs_fop_write_iter+0x12b/0x1c0\n    [<00000000437e7ced>] vfs_write+0x2ba/0x3c0\n    [<00000000f9491baf>] ksys_write+0x5f/0xe0\n    [<000000001c46513d>] do_syscall_64+0x3b/0x90\n    [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc","cvss_v4":null,"cvss_v3":null,"cwes":[],"references":["https://git.kernel.org/stable/c/2e9b141307554521d60fecf6bf1d2edc8dd0181d","https://git.kernel.org/stable/c/6a5eda5017959541ab82c5d56bcf784b8294e298","https://git.kernel.org/stable/c/a836ca33c5b07d34dd5347af9f64d25651d12674","https://git.kernel.org/stable/c/c41ac086d2abaf7527a5685f9c0a1c209ab7e0aa"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:16:40.427100871+00:00"},"epss":{"cve":"CVE-2023-53852","score":0.00227,"percentile":0.1355,"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."]}