idpf: fix memory leak in idpf_vc_core_deinit()
In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak in idpf_vc_core_deinit() Make sure to free hw->lan_regs. Reported by kmemleak during reset: unreferenced object 0xff1b913d02a936c0 (size 96): comm "kworker/u258:14", pid 2174, jiffies 4294958305 hex dump (first 32 bytes): 00 00 00 c0 a8 ba 2d ff 00 00 00 00 00 00 00 00 ......-......... 00 00 40 08 00 00 00 00 00 00 25 b3 a8 ba 2d ff ..@.......%...-. backtrace (crc 36063c4f): __kmalloc_noprof+0x48f/0x890 idpf_vc_core_init+0x6ce/0x9b0 [idpf] idpf_vc_event_task+0x1fb/0x350 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30
02 / AFFECTED SOFTWARE
Affected packages
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In the Linux kernel, the following vulnerability has been resolved: idpf: fix memory leak in idpf_vc_core_deinit() Make sure to free hw->lan_regs. Reported by kmemleak during reset: unreferenced object 0xff1b913d02a936c0 (size 96): comm "kworker/u258:14", pid 2174, jiffies 4294958305 hex dump (first 32 bytes): 00 00 00 c0 a8 ba 2d ff 00 00 00 00 00 00 00 00 ......-......... 00 00 40 08 00 00 00 00 00 00 25 b3 a8 ba 2d ff ..@.......%...-. backtrace (crc 36063c4f): __kmalloc_noprof+0x48f/0x890 idpf_vc_core_init+0x6ce/0x9b0 [idpf] idpf_vc_event_task+0x1fb/0x350 [idpf] process_one_work+0x226/0x6d0 worker_thread+0x19e/0x340 kthread+0x10f/0x250 ret_from_fork+0x251/0x2b0 ret_from_fork_asm+0x1a/0x30
05 / REFERENCES
Further evidence
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/23391db8a00c23854915b8b72ec1aa10080aa540
- https://git.kernel.org/stable/c/e111cbc4adf9f9974eed040aeece7e17460f6bff
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/23xxx/CVE-2026-23022.json
- https://nvd.nist.gov/vuln/detail/CVE-2026-23022