UBUNTU-CVE-2024-26886

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    UBUNTU-CVE-2024-26886

    Published: 17 Apr 2024Last Modified: 20 May 2026
    Upstream:
    CVE-2024-26886
    Aliases:
    USN-6816-1
    USN-6817-1
    USN-6817-2

    Summary:

    Details: In the Linux kernel, the following vulnerability has been resolved: Bluetooth: af_bluetooth: Fix deadlock Attemting to do sock_lock on .recvmsg may cause a deadlock as shown bellow, so instead of using sock_sock this uses sk_receive_queue.lock on bt_sock_ioctl to avoid the UAF: INFO: task kworker/u9:1:121 blocked for more than 30 seconds. Not tainted 6.7.6-lemon #183 Workqueue: hci0 hci_rx_work Call Trace: <TASK> __schedule+0x37d/0xa00 schedule+0x32/0xe0 __lock_sock+0x68/0xa0 ? __pfx_autoremove_wake_function+0x10/0x10 lock_sock_nested+0x43/0x50 l2cap_sock_recv_cb+0x21/0xa0 l2cap_recv_frame+0x55b/0x30a0 ? psi_task_switch+0xeb/0x270 ? finish_task_switch.isra.0+0x93/0x2a0 hci_rx_work+0x33a/0x3f0 process_one_work+0x13a/0x2f0 worker_thread+0x2f0/0x410 ? __pfx_worker_thread+0x10/0x10 kthread+0xe0/0x110 ? __pfx_kthread+0x10/0x10 ret_from_fork+0x2c/0x50 ? __pfx_kthread+0x10/0x10 ret_from_fork_asm+0x1b/0x30 </TASK>

    References: https://ubuntu.com/security/CVE-2024-26886, https://www.cve.org/CVERecord?id=CVE-2024-26886, https://git.kernel.org/linus/f7b94bdc1ec107c92262716b073b3e816d4784fb, https://git.kernel.org/stable/c/cb8adca52f306563d958a863bb0cbae9c184d1ae, https://git.kernel.org/stable/c/64be3c6154886200708da0dfe259705fb992416c, https://git.kernel.org/stable/c/817e8138ce86001b2fa5c63d6ede756e205a01f7, https://git.kernel.org/stable/c/2c9e2df022ef8b9d7fac58a04a2ef4ed25288955, https://git.kernel.org/stable/c/f7b94bdc1ec107c92262716b073b3e816d4784fb, https://ubuntu.com/security/notices/USN-6816-1, https://ubuntu.com/security/notices/USN-6817-1, https://ubuntu.com/security/notices/USN-6817-2, https://ubuntu.com/security/notices/USN-6817-3, https://ubuntu.com/security/notices/USN-6878-1, https://ubuntu.com/security/notices/USN-6923-1, https://ubuntu.com/security/notices/USN-6926-1, https://ubuntu.com/security/notices/USN-6923-2, https://ubuntu.com/security/notices/USN-6927-1, https://ubuntu.com/security/notices/USN-6938-1, https://ubuntu.com/security/notices/USN-6926-2, https://ubuntu.com/security/notices/USN-6951-1, https://ubuntu.com/security/notices/USN-6953-1, https://ubuntu.com/security/notices/USN-6926-3, https://ubuntu.com/security/notices/USN-6956-1, https://ubuntu.com/security/notices/USN-6957-1, https://ubuntu.com/security/notices/USN-6951-2, https://ubuntu.com/security/notices/USN-6951-3, https://ubuntu.com/security/notices/USN-6951-4, https://ubuntu.com/security/notices/USN-6979-1, https://ubuntu.com/security/notices/USN-7019-1

    Affected packages

    Package

    Name: linux-aws

    Purl: pkg:deb/ubuntu/linux-aws?arch=source&distro=trusty%2Fesm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -4.4.0-1134.140

    Affected versions

    4.4.0-1002.2
    4.4.0-1003.3
    4.4.0-1005.5
    4.4.0-1006.6
    4.4.0-1009.9
    4.4.0-1010.10
    4.4.0-1011.11
    4.4.0-1012.12
    4.4.0-1014.14
    4.4.0-1016.16
    4.4.0-1017.17
    4.4.0-1019.19
    4.4.0-1022.22
    4.4.0-1023.23
    4.4.0-1024.25
    4.4.0-1025.26
    4.4.0-1027.30
    4.4.0-1028.31
    4.4.0-1029.32
    4.4.0-1031.34
    4.4.0-1032.35
    4.4.0-1034.37
    4.4.0-1036.39
    4.4.0-1037.40
    4.4.0-1038.41
    4.4.0-1039.42
    4.4.0-1040.43
    4.4.0-1042.45
    4.4.0-1044.47
    4.4.0-1045.48
    4.4.0-1046.50
    4.4.0-1048.52
    4.4.0-1050.54
    4.4.0-1052.56
    4.4.0-1054.58
    4.4.0-1055.59
    4.4.0-1056.60
    4.4.0-1058.62
    4.4.0-1059.63
    4.4.0-1060.64
    4.4.0-1061.65
    4.4.0-1062.66
    4.4.0-1064.68
    4.4.0-1065.69
    4.4.0-1066.70
    4.4.0-1067.71
    4.4.0-1073.77
    4.4.0-1074.78
    4.4.0-1075.79
    4.4.0-1076.80
    4.4.0-1077.81
    4.4.0-1078.82
    4.4.0-1081.85
    4.4.0-1082.86
    4.4.0-1083.87
    4.4.0-1085.89
    4.4.0-1086.90
    4.4.0-1087.91
    4.4.0-1088.92
    4.4.0-1090.94
    4.4.0-1091.95
    4.4.0-1092.96
    4.4.0-1093.97
    4.4.0-1094.99
    4.4.0-1095.100
    4.4.0-1096.101
    4.4.0-1097.102
    4.4.0-1098.103
    4.4.0-1099.104
    4.4.0-1101.106
    4.4.0-1102.107
    4.4.0-1103.108
    4.4.0-1104.109
    4.4.0-1107.113
    4.4.0-1109.115
    4.4.0-1110.116
    4.4.0-1111.117
    4.4.0-1112.118
    4.4.0-1113.119
    4.4.0-1114.120
    4.4.0-1115.121
    4.4.0-1116.122
    4.4.0-1117.123
    4.4.0-1118.124
    4.4.0-1119.125
    4.4.0-1120.126
    4.4.0-1121.127
    4.4.0-1122.128
    4.4.0-1123.129
    4.4.0-1124.130
    4.4.0-1125.131
    4.4.0-1127.133
    4.4.0-1128.134
    4.4.0-1129.135
    4.4.0-1130.136
    4.4.0-1131.137
    4.4.0-1133.139

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High