CVE-2024-50136

In the Linux kernel, the following vulnerability has been resolved: net/mlx5: Unregister notifier on eswitch init failure It otherwise remains registered and a subsequent attempt at eswitch enabling might trigger warnings of the sort: [ 682.589148] ------------[ cut here ]------------ [ 682.590204] notifier callback eswitch_vport_event [mlx5_core] already registered [ 682.590256] WARNING: CPU: 13 PID: 2660 at kernel/notifier.c:31 notifier_chain_register+0x3e/0x90 [...snipped] [ 682.610052] Call Trace: [ 682.610369] <TASK> [ 682.610663] ? __warn+0x7c/0x110 [ 682.611050] ? notifier_chain_register+0x3e/0x90 [ 682.611556] ? report_bug+0x148/0x170 [ 682.611977] ? handle_bug+0x36/0x70 [ 682.612384] ? exc_invalid_op+0x13/0x60 [ 682.612817] ? asm_exc_invalid_op+0x16/0x20 [ 682.613284] ? notifier_chain_register+0x3e/0x90 [ 682.613789] atomic_notifier_chain_register+0x25/0x40 [ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core] [ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core] [ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core] [ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core] [ 682.616789] sriov_numvfs_store+0xb0/0x1b0 [ 682.617248] kernfs_fop_write_iter+0x117/0x1a0 [ 682.617734] vfs_write+0x231/0x3f0 [ 682.618138] ksys_write+0x63/0xe0 [ 682.618536] do_syscall_64+0x4c/0x100 [ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*

History

08 Nov 2024, 14:31

Type Values Removed Values Added
References () https://git.kernel.org/stable/c/1da9cfd6c41c2e6bbe624d0568644e1521c33e12 - () https://git.kernel.org/stable/c/1da9cfd6c41c2e6bbe624d0568644e1521c33e12 - Patch
References () https://git.kernel.org/stable/c/599147722c5778c96292e2fbff4103abbdb45b1f - () https://git.kernel.org/stable/c/599147722c5778c96292e2fbff4103abbdb45b1f - Patch
References () https://git.kernel.org/stable/c/9f2ccb6f3888bec45c00121ee43e4e72423b12c1 - () https://git.kernel.org/stable/c/9f2ccb6f3888bec45c00121ee43e4e72423b12c1 - Patch
References () https://git.kernel.org/stable/c/e58fb7ddbab6635191c26dea1af26b91cce00866 - () https://git.kernel.org/stable/c/e58fb7ddbab6635191c26dea1af26b91cce00866 - Patch
CWE NVD-CWE-noinfo
First Time Linux
Linux linux Kernel
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.5
CPE cpe:2.3:o:linux:linux_kernel:6.12:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*

06 Nov 2024, 18:17

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: net/mlx5: Anular el registro del notificador en caso de error de inicialización de eswitch De lo contrario, permanece registrado y un intento posterior de habilitar eswitch podría generar advertencias del tipo: [ 682.589148] ------------[ cortar aquí ]------------ [ 682.590204] devolución de llamada del notificador eswitch_vport_event [mlx5_core] ya registrado [ 682.590256] ADVERTENCIA: CPU: 13 PID: 2660 en kernel/notifier.c:31 notifier_chain_register+0x3e/0x90 [...cortado] [ 682.610052] Rastreo de llamada: [ 682.610369] [ 682.610663] ? __warn+0x7c/0x110 [ 682.611050] ? notifier_chain_register+0x3e/0x90 [ 682.611556] ? report_bug+0x148/0x170 [ 682.611977] ? handle_bug+0x36/0x70 [ 682.612384] ? exc_invalid_op+0x13/0x60 [ 682.612817] ? asm_exc_invalid_op+0x16/0x20 [ 682.613284] ? notifier_chain_register+0x3e/0x90 [ 682.613789] atomic_notifier_chain_register+0x25/0x40 [ 682.614322] mlx5_eswitch_enable_locked+0x1d4/0x3b0 [mlx5_core] [ 682.614965] mlx5_eswitch_enable+0xc9/0x100 [mlx5_core] [ 682.615551] mlx5_device_enable_sriov+0x25/0x340 [mlx5_core] [ 682.616170] mlx5_core_sriov_configure+0x50/0x170 [mlx5_core] [ 682.616789] sriov_numvfs_store+0xb0/0x1b0 [ 682.617248] kernfs_fop_write_iter+0x117/0x1a0 [ 682.617734] vfs_write+0x231/0x3f0 [ 682.618138] ksys_write+0x63/0xe0 [ 682.618536] do_syscall_64+0x4c/0x100 [ 682.618958] entry_SYSCALL_64_after_hwframe+0x4b/0x53

05 Nov 2024, 18:15

Type Values Removed Values Added
New CVE

Information

Published : 2024-11-05 18:15

Updated : 2024-11-08 14:31


NVD link : CVE-2024-50136

Mitre link : CVE-2024-50136

CVE.ORG link : CVE-2024-50136


JSON object : View

Products Affected

linux

  • linux_kernel