{"cve":"CVE-2023-53119","nvd":{"published":"2025-05-02T16:15:30.980","modified":"2026-06-17T06:44:20.127","status":"Analyzed","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnfc: pn533: initialize struct pn533_out_arg properly\n\nstruct pn533_out_arg used as a temporary context for out_urb is not\ninitialized properly. Its uninitialized 'phy' field can be dereferenced in\nerror cases inside pn533_out_complete() callback function. It causes the\nfollowing failure:\n\ngeneral protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN\nKASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]\nCPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc3-next-20230110-syzkaller #0\nHardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022\nRIP: 0010:pn533_out_complete.cold+0x15/0x44 drivers/nfc/pn533/usb.c:441\nCall Trace:\n <IRQ>\n __usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671\n usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754\n dummy_timer+0x1203/0x32d0 drivers/usb/gadget/udc/dummy_hcd.c:1988\n call_timer_fn+0x1da/0x800 kernel/time/timer.c:1700\n expire_timers+0x234/0x330 kernel/time/timer.c:1751\n __run_timers kernel/time/timer.c:2022 [inline]\n __run_timers kernel/time/timer.c:1995 [inline]\n run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035\n __do_softirq+0x1fb/0xaf6 kernel/softirq.c:571\n invoke_softirq kernel/softirq.c:445 [inline]\n __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650\n irq_exit_rcu+0x9/0x20 kernel/softirq.c:662\n sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107\n\nInitialize the field with the pn533_usb_phy currently used.\n\nFound by Linux Verification Center (linuxtesting.org) with Syzkaller.","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-908"],"references":["https://git.kernel.org/stable/c/0f9c1f26d434c32520dfe33326b28c5954bc4299","https://git.kernel.org/stable/c/2703da78849c47b6b5b4471edb35fc7b7f91dead","https://git.kernel.org/stable/c/2bd1ed6d607d7013ed4959e86990a04f028543ef","https://git.kernel.org/stable/c/2bee84369b76f6c9ef71938069c65a6ebd1a12f7","https://git.kernel.org/stable/c/2cbd4213baf7be5d87d183e2032c54003de0790f"],"products":["linux:linux_kernel"],"source":"nvd","synced_at":"2026-10-19T22:01:22.920403922+00:00"},"epss":{"cve":"CVE-2023-53119","score":0.00202,"percentile":0.10218,"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."]}