{"cve":"CVE-2023-53282","nvd":{"published":"2025-09-16T08:15:37.147","modified":"2026-06-17T06:44:44.110","status":"Modified","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nscsi: lpfc: Fix use-after-free KFENCE violation during sysfs firmware write\n\nDuring the sysfs firmware write process, a use-after-free read warning is\nlogged from the lpfc_wr_object() routine:\n\n  BUG: KFENCE: use-after-free read in lpfc_wr_object+0x235/0x310 [lpfc]\n  Use-after-free read at 0x0000000000cf164d (in kfence-#111):\n  lpfc_wr_object+0x235/0x310 [lpfc]\n  lpfc_write_firmware.cold+0x206/0x30d [lpfc]\n  lpfc_sli4_request_firmware_update+0xa6/0x100 [lpfc]\n  lpfc_request_firmware_upgrade_store+0x66/0xb0 [lpfc]\n  kernfs_fop_write_iter+0x121/0x1b0\n  new_sync_write+0x11c/0x1b0\n  vfs_write+0x1ef/0x280\n  ksys_write+0x5f/0xe0\n  do_syscall_64+0x59/0x90\n  entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nThe driver accessed wr_object pointer data, which was initialized into\nmailbox payload memory, after the mailbox object was released back to the\nmailbox pool.\n\nFix by moving the mailbox free calls to the end of the routine ensuring\nthat we don't reference internal mailbox memory after release.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8},"cwes":["CWE-416"],"references":["https://git.kernel.org/stable/c/21681b81b9ae548c5dae7ae00d931197a27f480c","https://git.kernel.org/stable/c/51ab4eb1a25e73c7fc2ad9026520c4d8369c93cc","https://git.kernel.org/stable/c/8becb97918f04bb177bc9c4e00c2bdb302e00944","https://git.kernel.org/stable/c/8dfefa8f424ab208e552df1bfd008b732f3d0ad1"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:08:41.295252406+00:00"},"epss":{"cve":"CVE-2023-53282","score":0.00163,"percentile":0.05473,"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."]}