Linux Kernel up to 6.2.7 nfc pn533_out_complete uninitialized pointer

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4.9	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Linux Kernel up to 6.2.7. Affected is the function pn533_out_complete of the component nfc. This manipulation causes uninitialized pointer. This vulnerability appears as CVE-2023-53119. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Linux Kernel up to 6.2.7 and classified as problematic. Affected by this vulnerability is the function pn533_out_complete of the component nfc. The manipulation with an unknown input leads to a uninitialized pointer vulnerability. The CWE definition for the vulnerability is CWE-824. The product accesses or uses a pointer that has not been initialized. The impact remains unknown. The summary by CVE is:

In the Linux kernel, the following vulnerability has been resolved: nfc: pn533: initialize struct pn533_out_arg properly struct pn533_out_arg used as a temporary context for out_urb is not initialized properly. Its uninitialized 'phy' field can be dereferenced in error cases inside pn533_out_complete() callback function. It causes the following failure: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 6.2.0-rc3-next-20230110-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 RIP: 0010:pn533_out_complete.cold+0x15/0x44 drivers/nfc/pn533/usb.c:441 Call Trace: <IRQ> __usb_hcd_giveback_urb+0x2b6/0x5c0 drivers/usb/core/hcd.c:1671 usb_hcd_giveback_urb+0x384/0x430 drivers/usb/core/hcd.c:1754 dummy_timer+0x1203/0x32d0 drivers/usb/gadget/udc/dummy_hcd.c:1988 call_timer_fn+0x1da/0x800 kernel/time/timer.c:1700 expire_timers+0x234/0x330 kernel/time/timer.c:1751 __run_timers kernel/time/timer.c:2022 [inline] __run_timers kernel/time/timer.c:1995 [inline] run_timer_softirq+0x326/0x910 kernel/time/timer.c:2035 __do_softirq+0x1fb/0xaf6 kernel/softirq.c:571 invoke_softirq kernel/softirq.c:445 [inline] __irq_exit_rcu+0x123/0x180 kernel/softirq.c:650 irq_exit_rcu+0x9/0x20 kernel/softirq.c:662 sysvec_apic_timer_interrupt+0x97/0xc0 arch/x86/kernel/apic/apic.c:1107 Initialize the field with the pn533_usb_phy currently used. Found by Linux Verification Center (linuxtesting.org) with Syzkaller.

The advisory is shared at git.kernel.org. This vulnerability is known as CVE-2023-53119 since 05/02/2025. The exploitation appears to be difficult. Technical details are known, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 247087 (Linux Distros Unpatched Vulnerability : CVE-2023-53119), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 4.14.311, 4.19.279, 5.4.238, 5.10.176, 5.15.104, 6.1.21 or 6.2.8 eliminates this vulnerability. Applying the patch 2bd1ed6d607d7013ed4959e86990a04f028543ef/4c20a07ed26a71a8ccc9c6d935fc181573f5462e/0f9c1f26d434c32520dfe33326b28c5954bc4299/2703da78849c47b6b5b4471edb35fc7b7f91dead/2bee84369b76f6c9ef71938069c65a6ebd1a12f7/a97ef110c491b72c138111a595a3a3af56cbc94c/2cbd4213baf7be5d87d183e2032c54003de0790f/484b7059796e3bc1cb527caa61dfc60da649b4f6 is able to eliminate this problem. The bugfix is ready for download at git.kernel.org. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the vulnerability database at Tenable (247087). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

• Operating System

Vendor

• Linux

Name

• Kernel

Version

• 4.14.310
• 4.19.278
• 5.4.237
• 5.10.175
• 5.15.103
• 6.1.0
• 6.1.1
• 6.1.2
• 6.1.3
• 6.1.4
• 6.1.5
• 6.1.6
• 6.1.7
• 6.1.8
• 6.1.9
• 6.1.10
• 6.1.11
• 6.1.12
• 6.1.13
• 6.1.14
• 6.1.15
• 6.1.16
• 6.1.17
• 6.1.18
• 6.1.19
• 6.1.20
• 6.2.0
• 6.2.1
• 6.2.2
• 6.2.3
• 6.2.4
• 6.2.5
• 6.2.6
• 6.2.7

License

• open-source

Website

• Vendor: https://www.kernel.org/

CPE 2.3info

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.0
VulDB Meta Temp Score: 4.9

VulDB Base Score: 4.6
VulDB Temp Score: 4.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Uninitialized pointer
CWE: CWE-824 / CWE-908
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 247087
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2023-53119

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Kernel 4.14.311/4.19.279/5.4.238/5.10.176/5.15.104/6.1.21/6.2.8
Patch: 2bd1ed6d607d7013ed4959e86990a04f028543ef/4c20a07ed26a71a8ccc9c6d935fc181573f5462e/0f9c1f26d434c32520dfe33326b28c5954bc4299/2703da78849c47b6b5b4471edb35fc7b7f91dead/2bee84369b76f6c9ef71938069c65a6ebd1a12f7/a97ef110c491b72c138111a595a3a3af56cbc94c/2cbd4213baf7be5d87d183e2032c54003de0790f/484b7059796e3bc1cb527caa61dfc60da649b4f6

Timelineinfo

05/02/2025 🔍
05/02/2025 +0 days 🔍
05/02/2025 +0 days 🔍
11/10/2025 +192 days 🔍

Sourcesinfo

Vendor: kernel.org

Advisory: git.kernel.org
Status: Confirmed

CVE: CVE-2023-53119 (🔍)
GCVE (CVE): GCVE-0-2023-53119
GCVE (VulDB): GCVE-100-307273

Entryinfo

Created: 05/02/2025 20:00
Updated: 11/10/2025 19:53
Changes: 05/02/2025 20:00 (58), 08/09/2025 21:09 (2), 11/10/2025 19:53 (13)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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