CVE-2024-50044

Nov. 8, 2024, 4:15 p.m.

3.3
Low

Description

In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: FIX possible deadlock in rfcomm_sk_state_change rfcomm_sk_state_change attempts to use sock_lock so it must never be called with it locked but rfcomm_sock_ioctl always attempt to lock it causing the following trace: ====================================================== WARNING: possible circular locking dependency detected 6.8.0-syzkaller-08951-gfe46a7dd189e #0 Not tainted ------------------------------------------------------ syz-executor386/5093 is trying to acquire lock: ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: lock_sock include/net/sock.h:1671 [inline] ffff88807c396258 (sk_lock-AF_BLUETOOTH-BTPROTO_RFCOMM){+.+.}-{0:0}, at: rfcomm_sk_state_change+0x5b/0x310 net/bluetooth/rfcomm/sock.c:73 but task is already holding lock: ffff88807badfd28 (&d->lock){+.+.}-{3:3}, at: __rfcomm_dlc_close+0x226/0x6a0 net/bluetooth/rfcomm/core.c:491

Product(s) Impacted

Vendor Product Versions
Linux
  • Linux Kernel
  • *, 6.12

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-667
Improper Locking
The product does not properly acquire or release a lock on a resource, leading to unexpected resource state changes and behaviors.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel / / / / / / / /
o linux linux_kernel 6.12 rc1 / / / / / /
o linux linux_kernel 6.12 rc2 / / / / / /

References

https://git.kernel.org/stable/c/08d1914293dae38350b8088980e59fbc699a72fe
https://git.kernel.org/stable/c/38b2d5a57d125e1c17661b8308c0240c4a43b534
https://git.kernel.org/stable/c/496b2ab0fd10f205e08909a125485fdc98843dbe
https://git.kernel.org/stable/c/4cb9807c9b53bf1e5560420d26f319f528b50268
https://git.kernel.org/stable/c/869c6ee62ab8f01bf2419e45326642be5c9b670a
https://git.kernel.org/stable/c/b77b3fb12fd483cae7c28648903b1d8a6b275f01
https://git.kernel.org/stable/c/ced98072d3511b232ae1d3347945f35f30c0e303
https://git.kernel.org/stable/c/ef44274dae9b0a90d1a97ce8b242a3b8243a7745

Tags

416baaa9-dc9f-4396-8d5f-8c081fb06d67
CWE-667
2024-10-21
CVE-2024-50044

CVSS Score

3.3 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: LOW

    • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

    View Vector String

Timeline

Published: Oct. 21, 2024, 8:15 p.m.
Last Modified: Nov. 8, 2024, 4:15 p.m.

Status : Modified

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.