CVE-2024-50077

  1. Yack CVE
  2. Vulnerabilities (CVE)
  3. CVE-2024-50077

5.5 /10

CVSS v3 : MEDIUM

V3 Legend

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

I

n the Linux kernel, the following vulnerability has been resolved: Bluetooth: ISO: Fix multiple init when debugfs is disabled If bt_debugfs is not created successfully, which happens if either CONFIG_DEBUG_FS or CONFIG_DEBUG_FS_ALLOW_ALL is unset, then iso_init() returns early and does not set iso_inited to true. This means that a subsequent call to iso_init() will result in duplicate calls to proto_register(), bt_sock_register(), etc. With CONFIG_LIST_HARDENED and CONFIG_BUG_ON_DATA_CORRUPTION enabled, the duplicate call to proto_register() triggers this BUG(): list_add double add: new=ffffffffc0b280d0, prev=ffffffffbab56250, next=ffffffffc0b280d0. ------------[ cut here ]------------ kernel BUG at lib/list_debug.c:35! Oops: invalid opcode: 0000 [#1] PREEMPT SMP PTI CPU: 2 PID: 887 Comm: bluetoothd Not tainted 6.10.11-1-ao-desktop #1 RIP: 0010:__list_add_valid_or_report+0x9a/0xa0 ... __list_add_valid_or_report+0x9a/0xa0 proto_register+0x2b5/0x340 iso_init+0x23/0x150 [bluetooth] set_iso_socket_func+0x68/0x1b0 [bluetooth] kmem_cache_free+0x308/0x330 hci_sock_sendmsg+0x990/0x9e0 [bluetooth] __sock_sendmsg+0x7b/0x80 sock_write_iter+0x9a/0x110 do_iter_readv_writev+0x11d/0x220 vfs_writev+0x180/0x3e0 do_writev+0xca/0x100 ... This change removes the early return. The check for iso_debugfs being NULL was unnecessary, it is always NULL when iso_inited is false.

References
Link Resource
https://git.kernel.org/stable/c/8fb8e912afb4c47dec12ea9a5853e7a8db95816f Patch
https://git.kernel.org/stable/c/a9b7b535ba192c6b77e6c15a4c82d853163eab8c Patch
https://git.kernel.org/stable/c/adf1b179c2ff8073c24bf87e5a605fcc5a09798b Patch
https://git.kernel.org/stable/c/fa4b832c5a6ec35023a1b997cf658c436619c752 Patch
https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
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:6.12:rc1:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc2:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:6.12:rc3:*:*:*:*:*:*
History

03 Nov 2025, 23:16

Type Values Removed Values Added
References
  • () https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html -

01 Nov 2024, 16:00

Type Values Removed Values Added
First Time Linux
Linux linux Kernel
References () https://git.kernel.org/stable/c/8fb8e912afb4c47dec12ea9a5853e7a8db95816f - () https://git.kernel.org/stable/c/8fb8e912afb4c47dec12ea9a5853e7a8db95816f - Patch
References () https://git.kernel.org/stable/c/a9b7b535ba192c6b77e6c15a4c82d853163eab8c - () https://git.kernel.org/stable/c/a9b7b535ba192c6b77e6c15a4c82d853163eab8c - Patch
References () https://git.kernel.org/stable/c/adf1b179c2ff8073c24bf87e5a605fcc5a09798b - () https://git.kernel.org/stable/c/adf1b179c2ff8073c24bf87e5a605fcc5a09798b - Patch
References () https://git.kernel.org/stable/c/fa4b832c5a6ec35023a1b997cf658c436619c752 - () https://git.kernel.org/stable/c/fa4b832c5a6ec35023a1b997cf658c436619c752 - Patch
CWE NVD-CWE-noinfo
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:6.12:rc3:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 5.5

29 Oct 2024, 14:34

Type Values Removed Values Added
Summary
  • (es) En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: Bluetooth: ISO: Fix multiple init when debugfs is disabled Si bt_debugfs no se crea correctamente, lo que sucede si CONFIG_DEBUG_FS o CONFIG_DEBUG_FS_ALLOW_ALL no están configurados, entonces iso_init() regresa antes y no configura iso_inited como verdadero. Esto significa que una llamada posterior a iso_init() dará como resultado llamadas duplicadas a proto_register(), bt_sock_register(), etc. Con CONFIG_LIST_HARDENED y CONFIG_BUG_ON_DATA_CORRUPTION habilitados, la llamada duplicada a proto_register() activa este BUG(): list_add double add: new=ffffffffc0b280d0, prev=ffffffffbab56250, next=ffffffffc0b280d0. ------------[ cortar aquí ]------------ ¡ERROR del kernel en lib/list_debug.c:35! Ups: código de operación no válido: 0000 [#1] PREEMPT SMP PTI CPU: 2 PID: 887 Comm: bluetoothd No contaminado 6.10.11-1-ao-desktop #1 RIP: 0010:__list_add_valid_or_report+0x9a/0xa0 ... __list_add_valid_or_report+0x9a/0xa0 proto_register+0x2b5/0x340 iso_init+0x23/0x150 [bluetooth] set_iso_socket_func+0x68/0x1b0 [bluetooth] kmem_cache_free+0x308/0x330 hci_sock_sendmsg+0x990/0x9e0 [bluetooth] __sock_sendmsg+0x7b/0x80 sock_write_iter+0x9a/0x110 do_iter_readv_writev+0x11d/0x220 vfs_writev+0x180/0x3e0 do_writev+0xca/0x100 ... Este cambio elimina el retorno anticipado. La comprobación de que iso_debugfs sea NULL no era necesaria, siempre es NULL cuando iso_inited es falso.

29 Oct 2024, 01:15

Type Values Removed Values Added
New CVE
Information

Published : 2024-10-29 01:15

Updated : 2025-11-03 23:16

NVD link : CVE-2024-50077

Mitre link : CVE-2024-50077

CVE.ORG link : CVE-2024-50077

JSON object : View

Products Affected

linux

CWE
NVD-CWE-noinfo