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CVE-2025-38128— Bluetooth: MGMT: reject malformed HCI_CMD_SYNC commands

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Bluetooth MGMT未验证HCI_CMD_SYNC参数长度，可能导致越界写入。

AI Predicted 4.4 Difficulty: Hard EPSS 0.16% · P5

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux 827af4787e74e8df9e8e0677a69fbb15e0856d2f< 9eeafd16d76a7642d12b3442a26c15cd345e12f7 affected
827af4787e74e8df9e8e0677a69fbb15e0856d2f< 03f1700b9b4d4f2fed3165370f3c23db76553178 affected
6.13 affected
< 6.13 unaffected
6.15.3≤ 6.15.* unaffected
6.16≤ * unaffected
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I. Basic Information for CVE-2025-38128

Vulnerability Information
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Vulnerability Title
Bluetooth: MGMT: reject malformed HCI_CMD_SYNC commands
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: reject malformed HCI_CMD_SYNC commands In 'mgmt_hci_cmd_sync()', check whether the size of parameters passed in 'struct mgmt_cp_hci_cmd_sync' matches the total size of the data (i.e. 'sizeof(struct mgmt_cp_hci_cmd_sync)' plus trailing bytes). Otherwise, large invalid 'params_len' will cause 'hci_cmd_sync_alloc()' to do 'skb_put_data()' from an area beyond the one actually passed to 'mgmt_hci_cmd_sync()'.
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Bluetooth MGMT未验证HCI_CMD_SYNC参数长度，可能导致越界写入。
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 827af4787e74e8df9e8e0677a69fbb15e0856d2f ~ 9eeafd16d76a7642d12b3442a26c15cd345e12f7 -
Linux Linux 6.13 -

II. Public POCs for CVE-2025-38128

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III. Intelligence Information for CVE-2025-38128

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Same Patch Batch · Linux · 2025-07-03 · 78 CVEs total

CVE-2025-38123 9.8 CRITICAL net: wwan: t7xx: Fix napi rx poll issue
CVE-2025-38139 9.8 CRITICAL netfs: Fix oops in write-retry from mis-resetting the subreq iterator
CVE-2025-38120 9.4 CRITICAL netfilter: nf_set_pipapo_avx2: fix initial map fill
CVE-2025-38146 9.4 CRITICAL net: openvswitch: Fix the dead loop of MPLS parse
CVE-2025-38166 7.8 HIGH bpf: fix ktls panic with sockmap
CVE-2025-38172 7.8 HIGH erofs: avoid using multiple devices with different type
CVE-2025-38106 7.8 HIGH io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo()
CVE-2025-38150 7.8 HIGH af_packet: move notifier's packet_dev_mc out of rcu critical section
CVE-2025-38107 7.8 HIGH net_sched: ets: fix a race in ets_qdisc_change()
CVE-2025-38108 7.8 HIGH net_sched: red: fix a race in __red_change()
CVE-2025-38110 7.8 HIGH net/mdiobus: Fix potential out-of-bounds clause 45 read/write access
CVE-2025-38111 7.8 HIGH net/mdiobus: Fix potential out-of-bounds read/write access
CVE-2025-38141 7.8 HIGH dm: fix dm_blk_report_zones
CVE-2025-38116 7.8 HIGH wifi: ath12k: fix uaf in ath12k_core_init()
CVE-2025-38115 7.8 HIGH net_sched: sch_sfq: fix a potential crash on gso_skb handling
CVE-2025-38117 7.8 HIGH Bluetooth: MGMT: Protect mgmt_pending list with its own lock
CVE-2025-38118 7.8 HIGH Bluetooth: MGMT: Fix UAF on mgmt_remove_adv_monitor_complete
CVE-2025-38133 7.8 HIGH iio: adc: ad4851: fix ad4858 chan pointer handling
CVE-2025-38129 7.8 HIGH page_pool: Fix use-after-free in page_pool_recycle_in_ring
CVE-2025-38127 7.8 HIGH ice: fix Tx scheduler error handling in XDP callback

Showing top 20 of 78 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2025-38128

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