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CVE-2023-53298— nfc: fix memory leak of se_io context in nfc_genl_se_io

Quick assessment

Affected
Linux Linux
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未释放se_io上下文，可能导致内存泄漏。

AI Predicted 5.5 Difficulty: Easy EPSS 0.15% · P4

Affected Version Matrix 18

VendorProduct Version RangeStatus
Linux Linux 5ce3f32b5264b337bfd13a780452a17705307725< 5321da6d84b87a34eea441677d649c34bd854169 affected
5ce3f32b5264b337bfd13a780452a17705307725< af452e35b9e6a87cd49e54a7a3d60d934b194651 affected
5ce3f32b5264b337bfd13a780452a17705307725< 271eed1736426103335c5aac50f15b0f4d236bc0 affected
5ce3f32b5264b337bfd13a780452a17705307725< 8978315cb4bf8878c9c8ec05dafd8f7ff539860d affected
5ce3f32b5264b337bfd13a780452a17705307725< c494365432dcdc549986f4d9af9eb6190cbdb153 affected
5ce3f32b5264b337bfd13a780452a17705307725< b2036a252381949d3b743a3de069324ae3028a57 affected
5ce3f32b5264b337bfd13a780452a17705307725< ba98db08895748c12e5ded52cd1598dce2c79e55 affected
5ce3f32b5264b337bfd13a780452a17705307725< 25ff6f8a5a3b8dc48e8abda6f013e8cc4b14ffea affected
… +10 more rows
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I. Basic Information for CVE-2023-53298

Vulnerability Information
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Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
nfc: fix memory leak of se_io context in nfc_genl_se_io
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: nfc: fix memory leak of se_io context in nfc_genl_se_io The callback context for sending/receiving APDUs to/from the selected secure element is allocated inside nfc_genl_se_io and supposed to be eventually freed in se_io_cb callback function. However, there are several error paths where the bwi_timer is not charged to call se_io_cb later, and the cb_context is leaked. The patch proposes to free the cb_context explicitly on those error paths. At the moment we can't simply check 'dev->ops->se_io()' return value as it may be negative in both cases: when the timer was charged and was not.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel存在安全漏洞，该漏洞源于未释放se_io上下文，可能导致内存泄漏。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Linux Linux 5ce3f32b5264b337bfd13a780452a17705307725 ~ 5321da6d84b87a34eea441677d649c34bd854169 -
Linux Linux 3.13 -

II. Public POCs for CVE-2023-53298

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III. Intelligence Information for CVE-2023-53298

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Same Patch Batch · Linux · 2025-09-16 · 115 CVEs total

CVE-2022-50350 9.8 CRITICAL scsi: target: iscsi: Fix a race condition between login_work and the login thread
CVE-2025-39806 8.8 HIGH HID: multitouch: fix slab out-of-bounds access in mt_report_fixup()
CVE-2023-53315 8.8 HIGH wifi: ath11k: Fix SKB corruption in REO destination ring
CVE-2023-53305 8.8 HIGH Bluetooth: L2CAP: Fix use-after-free
CVE-2025-39827 8.8 HIGH net: rose: include node references in rose_neigh refcount
CVE-2025-39826 8.8 HIGH net: rose: convert 'use' field to refcount_t
CVE-2023-53322 8.8 HIGH scsi: qla2xxx: Wait for io return on terminate rport
CVE-2023-53297 8.8 HIGH Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp
CVE-2025-39809 8.4 HIGH HID: intel-thc-hid: intel-quicki2c: Fix ACPI dsd ICRS/ISUB length
CVE-2023-53333 8.2 HIGH netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one
CVE-2023-53314 7.8 HIGH fbdev/ep93xx-fb: Do not assign to struct fb_info.dev
CVE-2025-39815 7.8 HIGH RISC-V: KVM: fix stack overrun when loading vlenb
CVE-2023-53286 7.8 HIGH RDMA/mlx5: Return the firmware result upon destroying QP/RQ
CVE-2025-39818 7.8 HIGH HID: intel-thc-hid: intel-thc: Fix incorrect pointer arithmetic in I2C regs save
CVE-2023-53311 7.8 HIGH nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput
CVE-2022-50341 7.8 HIGH cifs: fix oops during encryption
CVE-2025-39825 7.8 HIGH smb: client: fix race with concurrent opens in rename(2)
CVE-2023-53263 7.8 HIGH drm/nouveau/disp: fix use-after-free in error handling of nouveau_connector_create
CVE-2025-39810 7.8 HIGH bnxt_en: Fix memory corruption when FW resources change during ifdown
CVE-2023-53331 7.8 HIGH pstore/ram: Check start of empty przs during init

Showing top 20 of 115 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2023-53298

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