Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1359 CNY

100%
Buy Us a Coffee

CVE-2024-56591— Bluetooth: hci_conn: Use disable_delayed_work_sync

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net:inet6模块中default_operstate未正确处理设备状态，可能导致释放后重用。

CVSS 8.8 · High EPSS 0.28% · P19

Possible ATT&CK Techniques 1 AI

T1059.004 · Unix Shell

Affected Version Matrix 6

VendorProduct Version RangeStatus
Linux Linux 19c40e3bcaf2d969f5d4ee85bbe1330b54d36d9c< c55a4c5a04bae40dcdc1e1c19d8eb79a06fb3397 affected
19c40e3bcaf2d969f5d4ee85bbe1330b54d36d9c< 2b0f2fc9ed62e73c95df1fa8ed2ba3dac54699df affected
3.3 affected
< 3.3 unaffected
6.12.5≤ 6.12.* unaffected
6.13≤ * unaffected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2024-56591

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.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
Bluetooth: hci_conn: Use disable_delayed_work_sync
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: hci_conn: Use disable_delayed_work_sync This makes use of disable_delayed_work_sync instead cancel_delayed_work_sync as it not only cancel the ongoing work but also disables new submit which is disarable since the object holding the work is about to be freed.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
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net:inet6模块中default_operstate未正确处理设备状态，可能导致释放后重用。
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 19c40e3bcaf2d969f5d4ee85bbe1330b54d36d9c ~ c55a4c5a04bae40dcdc1e1c19d8eb79a06fb3397 -
Linux Linux 3.3 -

II. Public POCs for CVE-2024-56591

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2024-56591

请登录查看更多情报信息。

Patches & Fixes for CVE-2024-56591 (2)

Same Patch Batch · Linux · 2024-12-27 · 221 CVEs total

CVE-2024-56656 9.8 CRITICAL bnxt_en: Fix aggregation ID mask to prevent oops on 5760X chips
CVE-2024-53206 9.8 CRITICAL tcp: Fix use-after-free of nreq in reqsk_timer_handler().
CVE-2024-53209 9.8 CRITICAL bnxt_en: Fix receive ring space parameters when XDP is active
CVE-2024-53169 9.8 CRITICAL nvme-fabrics: fix kernel crash while shutting down controller
CVE-2024-53186 9.8 CRITICAL ksmbd: fix use-after-free in SMB request handling
CVE-2024-56640 9.8 CRITICAL net/smc: fix LGR and link use-after-free issue
CVE-2024-56645 9.8 CRITICAL can: j1939: j1939_session_new(): fix skb reference counting
CVE-2024-53176 9.8 CRITICAL smb: During unmount, ensure all cached dir instances drop their dentry
CVE-2024-53177 9.8 CRITICAL smb: prevent use-after-free due to open_cached_dir error paths
CVE-2024-53179 9.8 CRITICAL smb: client: fix use-after-free of signing key
CVE-2024-53237 8.8 HIGH Bluetooth: fix use-after-free in device_for_each_child()
CVE-2024-56653 8.8 HIGH Bluetooth: btmtk: avoid UAF in btmtk_process_coredump
CVE-2024-56651 8.8 HIGH can: hi311x: hi3110_can_ist(): fix potential use-after-free
CVE-2024-56669 8.8 HIGH iommu/vt-d: Remove cache tags before disabling ATS
CVE-2024-53224 8.8 HIGH RDMA/mlx5: Move events notifier registration to be after device registration
CVE-2024-56626 8.8 HIGH ksmbd: fix Out-of-Bounds Write in ksmbd_vfs_stream_write
CVE-2024-56627 8.1 HIGH ksmbd: fix Out-of-Bounds Read in ksmbd_vfs_stream_read
CVE-2024-56531 7.8 HIGH ALSA: caiaq: Use snd_card_free_when_closed() at disconnection
CVE-2024-56631 7.8 HIGH scsi: sg: Fix slab-use-after-free read in sg_release()
CVE-2024-56654 7.8 HIGH Bluetooth: hci_event: Fix using rcu_read_(un)lock while iterating

Showing top 20 of 221 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-56591

No comments yet

Leave a comment