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CVE-2024-58009— Bluetooth: L2CAP: handle NULL sock pointer in l2cap_sock_alloc

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: L2CAP模块在l2cap_sock_alloc函数中未处理空指针。

AI Predicted 5.5 Difficulty: Moderate EPSS 0.20% · P10

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution

Affected Version Matrix 24

VendorProduct Version RangeStatus
Linux Linux f6ad641646b67f29c7578dcd6c25813c7dcbf51e< a9a7672fc1a0fe18502493936ccb06413ab89ea6 affected
daa13175a6dea312a76099066cb4cbd4fc959a84< 8e605f580a97530e5a3583beea458a3fa4cbefbd affected
a8677028dd5123e5e525b8195483994d87123de4< cf601a24120c674cd7c907ea695f92617af6abd0 affected
bb2f2342a6ddf7c04f9aefbbfe86104cd138e629< 297ce7f544aa675b0d136d788cad0710cdfb0785 affected
8ad09ddc63ace3950ac43db6fbfe25b40f589dd6< 245d48c1ba3e7a1779c2f4cbc6f581ddc8a78e22 affected
61686abc2f3c2c67822aa23ce6f160467ec83d35< 691218a50c3139f7f57ffa79fb89d932eda9571e affected
7c4f78cdb8e7501e9f92d291a7d956591bf73be9< 49c0d55d59662430f1829ae85b969619573d0fa1 affected
7c4f78cdb8e7501e9f92d291a7d956591bf73be9< 5f397409f8ee5bc82901eeaf799e1cbc4f8edcf1 affected
… +16 more rows
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I. Basic Information for CVE-2024-58009

Vulnerability Information
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Vulnerability Title
Bluetooth: L2CAP: handle NULL sock pointer in l2cap_sock_alloc
Source: CVE Program / CVE List V5
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: handle NULL sock pointer in l2cap_sock_alloc A NULL sock pointer is passed into l2cap_sock_alloc() when it is called from l2cap_sock_new_connection_cb() and the error handling paths should also be aware of it. Seemingly a more elegant solution would be to swap bt_sock_alloc() and l2cap_chan_create() calls since they are not interdependent to that moment but then l2cap_chan_create() adds the soon to be deallocated and still dummy-initialized channel to the global list accessible by many L2CAP paths. The channel would be removed from the list in short period of time but be a bit more straight-forward here and just check for NULL instead of changing the order of function calls. Found by Linux Verification Center (linuxtesting.org) with SVACE static analysis tool.
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: L2CAP模块在l2cap_sock_alloc函数中未处理空指针。
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 f6ad641646b67f29c7578dcd6c25813c7dcbf51e ~ a9a7672fc1a0fe18502493936ccb06413ab89ea6 -
Linux Linux 6.13 -

II. Public POCs for CVE-2024-58009

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III. Intelligence Information for CVE-2024-58009

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Patches & Fixes for CVE-2024-58009 (5)

Other References for CVE-2024-58009 (3)

Same Patch Batch · Linux · 2025-02-27 · 177 CVEs total

CVE-2025-21796 9.8 CRITICAL nfsd: clear acl_access/acl_default after releasing them
CVE-2025-21805 9.8 CRITICAL RDMA/rtrs: Add missing deinit() call
CVE-2025-21707 9.8 CRITICAL mptcp: consolidate suboption status
CVE-2025-21748 9.8 CRITICAL ksmbd: fix integer overflows on 32 bit systems
CVE-2024-58006 9.6 CRITICAL PCI: dwc: ep: Prevent changing BAR size/flags in pci_epc_set_bar()
CVE-2025-21735 8.8 HIGH NFC: nci: Add bounds checking in nci_hci_create_pipe()
CVE-2024-57999 8.8 HIGH powerpc/pseries/iommu: IOMMU incorrectly marks MMIO range in DDW
CVE-2024-57997 8.8 HIGH wifi: wcn36xx: fix channel survey memory allocation size
CVE-2024-57995 8.8 HIGH wifi: ath12k: fix read pointer after free in ath12k_mac_assign_vif_to_vdev()
CVE-2025-21710 8.2 HIGH tcp: correct handling of extreme memory squeeze
CVE-2024-57973 8.1 HIGH rdma/cxgb4: Prevent potential integer overflow on 32bit
CVE-2025-21760 8.1 HIGH ndisc: extend RCU protection in ndisc_send_skb()
CVE-2025-21766 8.1 HIGH ipv4: use RCU protection in __ip_rt_update_pmtu()
CVE-2025-21765 8.1 HIGH ipv6: use RCU protection in ip6_default_advmss()
CVE-2025-21762 8.1 HIGH arp: use RCU protection in arp_xmit()
CVE-2025-21730 7.8 HIGH wifi: rtw89: avoid to init mgnt_entry list twice when WoWLAN failed
CVE-2025-21729 7.8 HIGH wifi: rtw89: fix race between cancel_hw_scan and hw_scan completion
CVE-2025-21772 7.8 HIGH partitions: mac: fix handling of bogus partition table
CVE-2024-52560 7.8 HIGH fs/ntfs3: Mark inode as bad as soon as error detected in mi_enum_attr()
CVE-2024-58002 7.8 HIGH media: uvcvideo: Remove dangling pointers

Showing top 20 of 177 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2024-58009

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