CVE-2023-53318— recordmcount: Fix memory leaks in the uwrite function
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recordmcount中的uwrite函数存在内存泄漏问题。
Possible ATT&CK Techniques 1 AI
T1496 · Resource HijackingAffected Version Matrix 22
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | a50bd43935586420fb75f4558369eb08566fac5e< bd39f68a309a947670379bf9a39b16c584f86ddb |
affected |
a50bd43935586420fb75f4558369eb08566fac5e< 444ec005404cead222ebce2561a9451c9ee5ad89 |
affected | ||
a50bd43935586420fb75f4558369eb08566fac5e< 3ed95a6f6c646e8bb15c354536e0ab10e8f39c08 |
affected | ||
a50bd43935586420fb75f4558369eb08566fac5e< 2d9ca5f62f2ba160ff9c9be4adf401c46c04edef |
affected | ||
a50bd43935586420fb75f4558369eb08566fac5e< ff70ad9159fbb566b2c15724f44207e8deccd527 |
affected | ||
a50bd43935586420fb75f4558369eb08566fac5e< 895130e63c93926f07caf5db286b97bd27b81de9 |
affected | ||
a50bd43935586420fb75f4558369eb08566fac5e< 25c9b185f121812cbc215fdaa1192c6b9025b428 |
affected | ||
a50bd43935586420fb75f4558369eb08566fac5e< fa359d068574d29e7d2f0fdd0ebe4c6a12b5cfb9 |
affected | ||
| … +14 more rows | |||
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I. Basic Information for CVE-2023-53318
Vulnerability Information
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Vulnerability Title
recordmcount: Fix memory leaks in the uwrite function
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
recordmcount: Fix memory leaks in the uwrite function
Common realloc mistake: 'file_append' nulled but not freed upon failure
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recordmcount中的uwrite函数存在内存泄漏问题。
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
II. Public POCs for CVE-2023-53318
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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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-2023-53305 | 8.8 HIGH | Bluetooth: L2CAP: Fix use-after-free |
| CVE-2025-39806 | 8.8 HIGH | HID: multitouch: fix slab out-of-bounds access in mt_report_fixup() |
| 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-2023-53297 | 8.8 HIGH | Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp |
| CVE-2023-53315 | 8.8 HIGH | wifi: ath11k: Fix SKB corruption in REO destination ring |
| CVE-2023-53322 | 8.8 HIGH | scsi: qla2xxx: Wait for io return on terminate rport |
| 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-2022-50339 | 7.8 HIGH | Bluetooth: avoid hci_dev_test_and_set_flag() in mgmt_init_hdev() |
| CVE-2023-53331 | 7.8 HIGH | pstore/ram: Check start of empty przs during init |
| CVE-2025-39825 | 7.8 HIGH | smb: client: fix race with concurrent opens in rename(2) |
| CVE-2022-50341 | 7.8 HIGH | cifs: fix oops during encryption |
| CVE-2025-39810 | 7.8 HIGH | bnxt_en: Fix memory corruption when FW resources change during ifdown |
Showing top 20 of 115 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
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CVE-2026-98866
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Same vendor: Linux
-
CVE-2023-7356
Bluetooth: ISO: Copy BASE if service data matches EIR_BAA_SE -
CVE-2026-98869
bpf: Infer zext_dst based on static register liveness analys -
CVE-2026-98868
dm-pcache: reject a kset that overruns its segment -
CVE-2026-98867
dm-pcache: bound the logical key offset from persistent memo -
CVE-2026-98866
sched/cache: Introduce task_struct->sched_cache_grp to fix U
V. Comments for CVE-2023-53318
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