{"cve":"CVE-2023-53078","nvd":{"published":"2025-05-02T16:15:26.820","modified":"2026-06-17T06:44:15.090","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: scsi_dh_alua: Fix memleak for 'qdata' in alua_activate()\n\nIf alua_rtpg_queue() failed from alua_activate(), then 'qdata' is not\nfreed, which will cause following memleak:\n\nunreferenced object 0xffff88810b2c6980 (size 32):\n  comm \"kworker/u16:2\", pid 635322, jiffies 4355801099 (age 1216426.076s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    40 39 24 c1 ff ff ff ff 00 f8 ea 0a 81 88 ff ff  @9$.............\n  backtrace:\n    [<0000000098f3a26d>] alua_activate+0xb0/0x320\n    [<000000003b529641>] scsi_dh_activate+0xb2/0x140\n    [<000000007b296db3>] activate_path_work+0xc6/0xe0 [dm_multipath]\n    [<000000007adc9ace>] process_one_work+0x3c5/0x730\n    [<00000000c457a985>] worker_thread+0x93/0x650\n    [<00000000cb80e628>] kthread+0x1ba/0x210\n    [<00000000a1e61077>] ret_from_fork+0x22/0x30\n\nFix the problem by freeing 'qdata' in error path.","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-401"],"references":["https://git.kernel.org/stable/c/0d89254a4320eb7de0970c478172f764125c6355","https://git.kernel.org/stable/c/123483df146492ca22b503ae6dacc2ce7c3a3974","https://git.kernel.org/stable/c/1c55982beb80c7d3c30278fc6cfda8496a31dbe6","https://git.kernel.org/stable/c/5c4d71424df34fc23dc5336d09394ce68c849542","https://git.kernel.org/stable/c/9311e7a554dffd3823499e309a8b86a5cd1540e5"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2023-53078","score":0.00202,"percentile":0.10219,"date":"2026-11-01"},"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."]}