{"id":"CVE-2023-53670","title":"nvme-core: fix dev_pm_qos memleak","summary":"In the Linux kernel, the following vulnerability has been resolved:\n\nnvme-core: fix dev_pm_qos memleak\n\nCall dev_pm_qos_hide_latency_tolerance() in the error unwind patch to\navoid following kmemleak:-\n\nblktests (master) # kmemleak-clear;…","severity":"none","vendor":"Linux","product":"Linux","affected":["Linux >= f50fff73d620cd6e8f48bc58d4f1c944615a3fea < e1379e067b9485e5af03399fe3f0d39bccb023ad","Linux >= f50fff73d620cd6e8f48bc58d4f1c944615a3fea < 7237c26431cc78e5ec3259f4350f3dd58f6a4319","Linux >= f50fff73d620cd6e8f48bc58d4f1c944615a3fea < 2ed9a89192e3192e5fea7ff6475c8722513f325e","Linux >= f50fff73d620cd6e8f48bc58d4f1c944615a3fea < 7ed5cf8e6d9bfb6a78d0471317edff14f0f2b4dd","Linux 6.0"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-05T20:26:52.207736Z"},"published":"2025-10-07","updated":"2026-11-05","sourceUpdated":"2026-11-05T20:31:20.252Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2023-53670","references":[{"url":"https://git.kernel.org/stable/c/e1379e067b9485e5af03399fe3f0d39bccb023ad"},{"url":"https://git.kernel.org/stable/c/7237c26431cc78e5ec3259f4350f3dd58f6a4319"},{"url":"https://git.kernel.org/stable/c/2ed9a89192e3192e5fea7ff6475c8722513f325e"},{"url":"https://git.kernel.org/stable/c/7ed5cf8e6d9bfb6a78d0471317edff14f0f2b4dd"}],"tags":["cve.org"],"epss":0.0016,"epssPercentile":0.05179,"ingestedAt":"2026-11-05T22:38:31.827Z","slug":"CVE-2023-53670","body":"## Overview\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nnvme-core: fix dev_pm_qos memleak\n\nCall dev_pm_qos_hide_latency_tolerance() in the error unwind patch to\navoid following kmemleak:-\n\nblktests (master) # kmemleak-clear; ./check nvme/044;\nblktests (master) # kmemleak-scan ; kmemleak-show\nnvme/044 (Test bi-directional authentication)                [passed]\n    runtime  2.111s  ...  2.124s\nunreferenced object 0xffff888110c46240 (size 96):\n  comm \"nvme\", pid 33461, jiffies 4345365353 (age 75.586s)\n  hex dump (first 32 bytes):\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................\n  backtrace:\n    [<0000000069ac2cec>] kmalloc_trace+0x25/0x90\n    [<000000006acc66d5>] dev_pm_qos_update_user_latency_tolerance+0x6f/0x100\n    [<00000000cc376ea7>] nvme_init_ctrl+0x38e/0x410 [nvme_core]\n    [<000000007df61b4b>] 0xffffffffc05e88b3\n    [<00000000d152b985>] 0xffffffffc05744cb\n    [<00000000f04a4041>] vfs_write+0xc5/0x3c0\n    [<00000000f9491baf>] ksys_write+0x5f/0xe0\n    [<000000001c46513d>] do_syscall_64+0x3b/0x90\n    [<00000000ecf348fe>] entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\n## Affected\n\n- `Linux >= f50fff73d620cd6e8f48bc58d4f1c944615a3fea < e1379e067b9485e5af03399fe3f0d39bccb023ad`\n- `Linux >= f50fff73d620cd6e8f48bc58d4f1c944615a3fea < 7237c26431cc78e5ec3259f4350f3dd58f6a4319`\n- `Linux >= f50fff73d620cd6e8f48bc58d4f1c944615a3fea < 2ed9a89192e3192e5fea7ff6475c8722513f325e`\n- `Linux >= f50fff73d620cd6e8f48bc58d4f1c944615a3fea < 7ed5cf8e6d9bfb6a78d0471317edff14f0f2b4dd`\n- `Linux 6.0`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":3,"depthScoreParts":{"impact":2.8,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}