UBUNTU-CVE-2023-51779

Advisory lineage Upstream: 1 Downstream: 17
Published: 02 Jan 2024, 00:00
Last modified:03 Jun 2026, 13:36

Vulnerability Summary

Overall Risk (default)
medium
28/100
CVSS Score
7 HIGH
3.1 (osv_ubuntu)
EPSS Score
No data
KEV
Not listed
Ransomware
No reports
Public exploits
None found
Dark Web
Not detected

Timeline

02 Jan 2024, 00:00
Published
Vulnerability first disclosed
03 Jun 2026, 13:36
Last Modified
Vulnerability information updated

Description

bt_sock_recvmsg in net/bluetooth/af_bluetooth.c in the Linux kernel through 6.6.8 has a use-after-free because of a bt_sock_ioctl race condition.

CVSS Metrics

  • v3.1HIGHScore: 7CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected Systems

  • ubuntulinux

    all | < 4.4.0-253.287 | < 4.15.0-224.236 | < 5.4.0-173.191 | < 5.15.0-100.110

  • ubuntulinux-allwinner-5.19

    all

  • ubuntulinux-aws

    < 4.4.0-1130.136 | < 4.4.0-1168.183 | < 4.15.0-1167.180 | < 5.4.0-1120.130 | < 5.15.0-1056.61

  • ubuntulinux-aws-5.0

    all

  • ubuntulinux-aws-5.11

    all

  • ubuntulinux-aws-5.13

    all

  • ubuntulinux-aws-5.15

    < 5.15.0-1056.61~20.04.1

  • ubuntulinux-aws-5.19

    all

  • ubuntulinux-aws-5.3

    all

  • ubuntulinux-aws-5.4

    < 5.4.0-1120.130~18.04.1

  • ubuntulinux-aws-5.8

    all

  • ubuntulinux-aws-6.2

    all

  • ubuntulinux-aws-6.5

    < 6.5.0-1015.15~22.04.1

  • ubuntulinux-aws-fips

    < 4.15.0-2106.112 | all | < 5.4.0-1120.130+fips1 | < 5.15.0-1056.61+fips1

  • ubuntulinux-aws-hwe

    < 4.15.0-1167.180~16.04.1

  • ubuntulinux-azure

    < 4.15.0-1176.191~14.04.1 | < 4.15.0-1176.191~16.04.1 | all | < 5.4.0-1126.133 | < 5.15.0-1058.66

  • ubuntulinux-azure-4.15

    < 4.15.0-1176.191

  • ubuntulinux-azure-5.11

    all

  • ubuntulinux-azure-5.13

    all

  • ubuntulinux-azure-5.15

    < 5.15.0-1058.66~20.04.2

  • ubuntulinux-azure-5.19

    all

  • ubuntulinux-azure-5.3

    all

  • ubuntulinux-azure-5.4

    < 5.4.0-1126.133~18.04.1

  • ubuntulinux-azure-5.8

    all

  • ubuntulinux-azure-6.2

    all

  • ubuntulinux-azure-6.5

    < 6.5.0-1016.16~22.04.1

  • ubuntulinux-azure-edge

    all

  • ubuntulinux-azure-fde

    all | < 5.15.0-1058.66.1 | all

  • ubuntulinux-azure-fde-5.15

    all

  • ubuntulinux-azure-fde-5.19

    all

  • ubuntulinux-azure-fde-6.2

    all

  • ubuntulinux-azure-fde-6.8

    all

  • ubuntulinux-azure-fips

    < 4.15.0-2085.91 | all | < 5.4.0-1126.133+fips1

  • ubuntulinux-bluefield

    < 5.15.0-1037.39 | < 5.4.0-1080.87 | < 5.15.0-1037.39 | all

  • ubuntulinux-fips

    < 4.4.0-1100.107 | all | < 4.15.0-1122.133 | < 5.4.0-1094.104 | < 5.15.0-100.110+fips1

  • ubuntulinux-gcp

    < 4.15.0-1161.178~16.04.1 | all | < 5.4.0-1124.133 | < 5.15.0-1053.61

  • ubuntulinux-gcp-4.15

    < 4.15.0-1161.178

  • ubuntulinux-gcp-5.11

    all

  • ubuntulinux-gcp-5.13

    all

  • ubuntulinux-gcp-5.15

    < 5.15.0-1053.61~20.04.1

  • ubuntulinux-gcp-5.19

    all

  • ubuntulinux-gcp-5.3

    all

  • ubuntulinux-gcp-5.4

    < 5.4.0-1124.133~18.04.1

  • ubuntulinux-gcp-5.8

    all

  • ubuntulinux-gcp-6.2

    all

  • ubuntulinux-gcp-6.5

    < 6.5.0-1015.15~22.04.1

  • ubuntulinux-gcp-fips

    < 4.15.0-2069.74 | all | < 5.4.0-1124.133+fips1 | < 5.15.0-1055.63+fips2

  • ubuntulinux-gke

    all | < 5.15.0-1052.57

  • ubuntulinux-gke-4.15

    all

  • ubuntulinux-gke-5.15

    all

Showing first 50 affected entries in server-rendered view.

References (20)