{"cve":"CVE-2023-53303","nvd":{"published":"2025-09-16T08:15:39.737","modified":"2026-06-17T06:44:47.617","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: microchip: vcap api: Fix possible memory leak for vcap_dup_rule()\n\nInject fault When select CONFIG_VCAP_KUNIT_TEST, the below memory leak\noccurs. If kzalloc() for duprule succeeds, but the following\nkmemdup() fails, the duprule, ckf and caf memory will be leaked. So kfree\nthem in the error path.\n\nunreferenced object 0xffff122744c50600 (size 192):\n  comm \"kunit_try_catch\", pid 346, jiffies 4294896122 (age 911.812s)\n  hex dump (first 32 bytes):\n    10 27 00 00 04 00 00 00 1e 00 00 00 2c 01 00 00  .'..........,...\n    00 00 00 00 00 00 00 00 18 06 c5 44 27 12 ff ff  ...........D'...\n  backtrace:\n    [<00000000394b0db8>] __kmem_cache_alloc_node+0x274/0x2f8\n    [<0000000001bedc67>] kmalloc_trace+0x38/0x88\n    [<00000000b0612f98>] vcap_dup_rule+0x50/0x460\n    [<000000005d2d3aca>] vcap_add_rule+0x8cc/0x1038\n    [<00000000eef9d0f8>] test_vcap_xn_rule_creator.constprop.0.isra.0+0x238/0x494\n    [<00000000cbda607b>] vcap_api_rule_remove_in_front_test+0x1ac/0x698\n    [<00000000c8766299>] kunit_try_run_case+0xe0/0x20c\n    [<00000000c4fe9186>] kunit_generic_run_threadfn_adapter+0x50/0x94\n    [<00000000f6864acf>] kthread+0x2e8/0x374\n    [<0000000022e639b3>] ret_from_fork+0x10/0x20","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/281f65d29d6da1a9b6907fb0b145aaf34f4e4822","https://git.kernel.org/stable/c/a26ba60413b2c8f95daf0ee0152cf82abd7bfbe4"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:08:41.295252406+00:00"},"epss":{"cve":"CVE-2023-53303","score":0.0013,"percentile":0.0263,"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."]}