vulnerability

Ubuntu: (Multiple Advisories) (CVE-2024-46849): Linux kernel vulnerabilities

Severity
7
CVSS
(AV:L/AC:L/Au:S/C:C/I:C/A:C)
Published
2024-09-27
Added
2024-12-13
Modified
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)

ubuntu-upgrade-linux-image-5-15-0-1039-xilinx-zynqmpubuntu-upgrade-linux-image-5-15-0-1056-gkeopubuntu-upgrade-linux-image-5-15-0-1066-ibmubuntu-upgrade-linux-image-5-15-0-1066-raspiubuntu-upgrade-linux-image-5-15-0-1068-nvidiaubuntu-upgrade-linux-image-5-15-0-1068-nvidia-lowlatencyubuntu-upgrade-linux-image-5-15-0-1070-gkeubuntu-upgrade-linux-image-5-15-0-1070-kvmubuntu-upgrade-linux-image-5-15-0-1071-intel-iotgubuntu-upgrade-linux-image-5-15-0-1071-oracleubuntu-upgrade-linux-image-5-15-0-1072-gcpubuntu-upgrade-linux-image-5-15-0-1073-awsubuntu-upgrade-linux-image-5-15-0-1078-azureubuntu-upgrade-linux-image-5-15-0-127-genericubuntu-upgrade-linux-image-5-15-0-127-generic-64kubuntu-upgrade-linux-image-5-15-0-127-generic-lpaeubuntu-upgrade-linux-image-5-15-0-127-lowlatencyubuntu-upgrade-linux-image-5-15-0-127-lowlatency-64kubuntu-upgrade-linux-image-5-4-0-1048-iotubuntu-upgrade-linux-image-5-4-0-1058-xilinx-zynqmpubuntu-upgrade-linux-image-5-4-0-1086-ibmubuntu-upgrade-linux-image-5-4-0-1099-bluefieldubuntu-upgrade-linux-image-5-4-0-1116-fipsubuntu-upgrade-linux-image-5-4-0-1127-kvmubuntu-upgrade-linux-image-5-4-0-1138-oracleubuntu-upgrade-linux-image-5-4-0-1140-awsubuntu-upgrade-linux-image-5-4-0-1142-awsubuntu-upgrade-linux-image-5-4-0-1143-gcpubuntu-upgrade-linux-image-5-4-0-1145-azureubuntu-upgrade-linux-image-5-4-0-208-genericubuntu-upgrade-linux-image-5-4-0-208-generic-lpaeubuntu-upgrade-linux-image-5-4-0-208-lowlatencyubuntu-upgrade-linux-image-6-8-0-1002-gkeopubuntu-upgrade-linux-image-6-8-0-1015-gkeubuntu-upgrade-linux-image-6-8-0-1016-raspiubuntu-upgrade-linux-image-6-8-0-1017-ibmubuntu-upgrade-linux-image-6-8-0-1017-oracleubuntu-upgrade-linux-image-6-8-0-1017-oracle-64kubuntu-upgrade-linux-image-6-8-0-1018-oemubuntu-upgrade-linux-image-6-8-0-1019-gcpubuntu-upgrade-linux-image-6-8-0-1019-nvidiaubuntu-upgrade-linux-image-6-8-0-1019-nvidia-64kubuntu-upgrade-linux-image-6-8-0-1019-nvidia-lowlatencyubuntu-upgrade-linux-image-6-8-0-1019-nvidia-lowlatency-64kubuntu-upgrade-linux-image-6-8-0-1020-awsubuntu-upgrade-linux-image-6-8-0-1020-azureubuntu-upgrade-linux-image-6-8-0-1020-azure-fdeubuntu-upgrade-linux-image-6-8-0-50-genericubuntu-upgrade-linux-image-6-8-0-50-generic-64kubuntu-upgrade-linux-image-6-8-0-50-lowlatencyubuntu-upgrade-linux-image-6-8-0-50-lowlatency-64kubuntu-upgrade-linux-image-awsubuntu-upgrade-linux-image-aws-lts-20-04ubuntu-upgrade-linux-image-aws-lts-22-04ubuntu-upgrade-linux-image-azureubuntu-upgrade-linux-image-azure-cvmubuntu-upgrade-linux-image-azure-fdeubuntu-upgrade-linux-image-azure-lts-20-04ubuntu-upgrade-linux-image-azure-lts-22-04ubuntu-upgrade-linux-image-bluefieldubuntu-upgrade-linux-image-fipsubuntu-upgrade-linux-image-gcpubuntu-upgrade-linux-image-gcp-lts-20-04ubuntu-upgrade-linux-image-gcp-lts-22-04ubuntu-upgrade-linux-image-genericubuntu-upgrade-linux-image-generic-64kubuntu-upgrade-linux-image-generic-64k-hwe-20-04ubuntu-upgrade-linux-image-generic-64k-hwe-22-04ubuntu-upgrade-linux-image-generic-64k-hwe-24-04ubuntu-upgrade-linux-image-generic-hwe-18-04ubuntu-upgrade-linux-image-generic-hwe-20-04ubuntu-upgrade-linux-image-generic-hwe-22-04ubuntu-upgrade-linux-image-generic-hwe-24-04ubuntu-upgrade-linux-image-generic-lpaeubuntu-upgrade-linux-image-generic-lpae-hwe-20-04ubuntu-upgrade-linux-image-gkeubuntu-upgrade-linux-image-gke-5-15ubuntu-upgrade-linux-image-gkeopubuntu-upgrade-linux-image-gkeop-5-15ubuntu-upgrade-linux-image-gkeop-6-8ubuntu-upgrade-linux-image-ibmubuntu-upgrade-linux-image-ibm-classicubuntu-upgrade-linux-image-ibm-lts-20-04ubuntu-upgrade-linux-image-ibm-lts-24-04ubuntu-upgrade-linux-image-intelubuntu-upgrade-linux-image-intel-iotgubuntu-upgrade-linux-image-kvmubuntu-upgrade-linux-image-lowlatencyubuntu-upgrade-linux-image-lowlatency-64kubuntu-upgrade-linux-image-lowlatency-64k-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-64k-hwe-22-04ubuntu-upgrade-linux-image-lowlatency-64k-hwe-24-04ubuntu-upgrade-linux-image-lowlatency-hwe-18-04ubuntu-upgrade-linux-image-lowlatency-hwe-20-04ubuntu-upgrade-linux-image-lowlatency-hwe-22-04ubuntu-upgrade-linux-image-lowlatency-hwe-24-04ubuntu-upgrade-linux-image-nvidiaubuntu-upgrade-linux-image-nvidia-6-8ubuntu-upgrade-linux-image-nvidia-64kubuntu-upgrade-linux-image-nvidia-64k-6-8ubuntu-upgrade-linux-image-nvidia-64k-hwe-22-04ubuntu-upgrade-linux-image-nvidia-hwe-22-04ubuntu-upgrade-linux-image-nvidia-lowlatencyubuntu-upgrade-linux-image-nvidia-lowlatency-64kubuntu-upgrade-linux-image-oemubuntu-upgrade-linux-image-oem-20-04ubuntu-upgrade-linux-image-oem-20-04bubuntu-upgrade-linux-image-oem-20-04cubuntu-upgrade-linux-image-oem-20-04dubuntu-upgrade-linux-image-oem-22-04ubuntu-upgrade-linux-image-oem-22-04aubuntu-upgrade-linux-image-oem-22-04bubuntu-upgrade-linux-image-oem-22-04cubuntu-upgrade-linux-image-oem-22-04dubuntu-upgrade-linux-image-oem-24-04ubuntu-upgrade-linux-image-oem-24-04aubuntu-upgrade-linux-image-oem-osp1ubuntu-upgrade-linux-image-oracleubuntu-upgrade-linux-image-oracle-64kubuntu-upgrade-linux-image-or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