vulnerability
Ubuntu: (Multiple Advisories) (CVE-2024-46849): Linux kernel vulnerabilities
Severity | CVSS | Published | Added | Modified |
---|---|---|---|---|
7 | (AV:L/AC:L/Au:S/C:C/I:C/A:C) | 2024-09-27 | 2024-12-13 | 2025-04-04 |
Description
In the Linux kernel, the following vulnerability has been resolved:
ASoC: meson: axg-card: fix 'use-after-free'
Buffer 'card->dai_link' is reallocated in 'meson_card_reallocate_links()',
so move 'pad' pointer initialization after this function when memory is
already reallocated.
Kasan bug report:
==================================================================
BUG: KASAN: slab-use-after-free in axg_card_add_link+0x76c/0x9bc
Read of size 8 at addr ffff000000e8b260 by task modprobe/356
CPU: 0 PID: 356 Comm: modprobe Tainted: G O 6.9.12-sdkernel #1
Call trace:
dump_backtrace+0x94/0xec
show_stack+0x18/0x24
dump_stack_lvl+0x78/0x90
print_report+0xfc/0x5c0
kasan_report+0xb8/0xfc
__asan_load8+0x9c/0xb8
axg_card_add_link+0x76c/0x9bc [snd_soc_meson_axg_sound_card]
meson_card_probe+0x344/0x3b8 [snd_soc_meson_card_utils]
platform_probe+0x8c/0xf4
really_probe+0x110/0x39c
__driver_probe_device+0xb8/0x18c
driver_probe_device+0x108/0x1d8
__driver_attach+0xd0/0x25c
bus_for_each_dev+0xe0/0x154
driver_attach+0x34/0x44
bus_add_driver+0x134/0x294
driver_register+0xa8/0x1e8
__platform_driver_register+0x44/0x54
axg_card_pdrv_init+0x20/0x1000 [snd_soc_meson_axg_sound_card]
do_one_initcall+0xdc/0x25c
do_init_module+0x10c/0x334
load_module+0x24c4/0x26cc
init_module_from_file+0xd4/0x128
__arm64_sys_finit_module+0x1f4/0x41c
invoke_syscall+0x60/0x188
el0_svc_common.constprop.0+0x78/0x13c
do_el0_svc+0x30/0x40
el0_svc+0x38/0x78
el0t_64_sync_handler+0x100/0x12c
el0t_64_sync+0x190/0x194
Solution(s)
References
- CVE-2024-46849
- https://attackerkb.com/topics/CVE-2024-46849
- UBUNTU-USN-7154-1
- UBUNTU-USN-7154-2
- UBUNTU-USN-7155-1
- UBUNTU-USN-7156-1
- UBUNTU-USN-7166-1
- UBUNTU-USN-7166-2
- UBUNTU-USN-7166-3
- UBUNTU-USN-7166-4
- UBUNTU-USN-7186-1
- UBUNTU-USN-7186-2
- UBUNTU-USN-7194-1
- UBUNTU-USN-7196-1
- UBUNTU-USN-7293-1
- UBUNTU-USN-7294-1
- UBUNTU-USN-7294-2
- UBUNTU-USN-7294-3
- UBUNTU-USN-7294-4
- UBUNTU-USN-7295-1
- UBUNTU-USN-7393-1
- UBUNTU-USN-7401-1
- UBUNTU-USN-7413-1

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