CVE-2023-53330— caif: fix memory leak in cfctrl_linkup_request()
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cfctrl_linkup_request函数中未释放内存，可能导致内存泄漏。
Possible ATT&CK Techniques 1 AI
T1211 · Exploitation for StealthAffected Version Matrix 18
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | b482cd2053e3b90a7b33a78c63cdb6badf2ec383< badea57569db04b010e922e29a7aaf40a979a70b |
affected |
b482cd2053e3b90a7b33a78c63cdb6badf2ec383< 3acf3783a84cbdf0c9f8cf2f32ee9c49af93a2da |
affected | ||
b482cd2053e3b90a7b33a78c63cdb6badf2ec383< 33df9c5d5e2a18c70f5f5f3c2757d654c1b6ffa3 |
affected | ||
b482cd2053e3b90a7b33a78c63cdb6badf2ec383< 84b2cc7b36b7f6957d307fb3d01603f93cb2d655 |
affected | ||
b482cd2053e3b90a7b33a78c63cdb6badf2ec383< dc1bc903970bdf63ca40ab923d3ccb765da9a8d9 |
affected | ||
b482cd2053e3b90a7b33a78c63cdb6badf2ec383< 1dddeceb26002cfea4c375e92ac6498768dc7349 |
affected | ||
b482cd2053e3b90a7b33a78c63cdb6badf2ec383< 3ad47c8aa5648226184415e4a0cb1bf67ffbfd48 |
affected | ||
b482cd2053e3b90a7b33a78c63cdb6badf2ec383< fe69230f05897b3de758427b574fc98025dfc907 |
affected | ||
| … +10 more rows | |||
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I. Basic Information for CVE-2023-53330
Vulnerability Information
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Vulnerability Title
caif: fix memory leak in cfctrl_linkup_request()
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved:
caif: fix memory leak in cfctrl_linkup_request()
When linktype is unknown or kzalloc failed in cfctrl_linkup_request(),
pkt is not released. Add release process to error path.
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cfctrl_linkup_request函数中未释放内存，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
II. Public POCs for CVE-2023-53330
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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No public POC found.
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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-2023-53297 | 8.8 HIGH | Bluetooth: L2CAP: fix "bad unlock balance" in l2cap_disconnect_rsp |
| 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-2023-53322 | 8.8 HIGH | scsi: qla2xxx: Wait for io return on terminate rport |
| CVE-2023-53305 | 8.8 HIGH | Bluetooth: L2CAP: Fix use-after-free |
| CVE-2023-53315 | 8.8 HIGH | wifi: ath11k: Fix SKB corruption in REO destination ring |
| 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-2025-39821 | 7.8 HIGH | perf: Avoid undefined behavior from stopping/starting inactive events |
| CVE-2025-39810 | 7.8 HIGH | bnxt_en: Fix memory corruption when FW resources change during ifdown |
| CVE-2022-50341 | 7.8 HIGH | cifs: fix oops during encryption |
| CVE-2023-53311 | 7.8 HIGH | nilfs2: fix use-after-free of nilfs_root in dirtying inodes via iput |
| CVE-2025-39815 | 7.8 HIGH | RISC-V: KVM: fix stack overrun when loading vlenb |
| CVE-2023-53314 | 7.8 HIGH | fbdev/ep93xx-fb: Do not assign to struct fb_info.dev |
| 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-2025-39825 | 7.8 HIGH | smb: client: fix race with concurrent opens in rename(2) |
| CVE-2023-53274 | 7.8 HIGH | clk: mediatek: mt8183: Add back SSPM related clocks |
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-2023-53330
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