CVE-2024-46849

HIGH EPSS 16.2%
Published Sep 27, 20241y ago · Modified Jun 17, 20261w ago
7.8 CVSS 3.1
High
Find Similar
Published Sep 27, 2024 1y ago
Last Modified Jun 17, 2026 1w ago

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

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

EPSS Exploit Probability
16.2% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 14

VendorProductVersionRange
debiandebian_linux11.0any
linuxlinux_kernel*≥4.19  –  <5.4.285
linuxlinux_kernel*≥5.5  –  <5.10.227
linuxlinux_kernel*≥5.11  –  <5.15.168
linuxlinux_kernel*≥5.16  –  <6.1.111
linuxlinux_kernel*≥6.2  –  <6.6.52
linuxlinux_kernel*≥6.7  –  <6.10.11
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any
linuxlinux_kernel6.11any

References 9

  • git.kernel.org https://git.kernel.org/stable/c/4f9a71435953f941969a4f017e2357db62d85a86
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5a2cc2bb81399e9ebc72560541137eb04d61dc3d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7d318166bf55e9029d56997c3b134f4ac2ae2607
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a33145f494e6cb82f3e018662cc7c4febf271f22
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e1a199ec31617242e1a0ea8f312341e682d0c037
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e43364f578cdc2f8083abbc0cb743ea55e827c29
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fb0530025d502cb79d2b2801b14a9d5261833f1a
    Patch
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html
    Mailing ListThird Party Advisory
  • lists.debian.org https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html
    Mailing ListThird Party Advisory

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/4f9a71435953f941969a4f017e2357db62d85a86
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/5a2cc2bb81399e9ebc72560541137eb04d61dc3d
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/7d318166bf55e9029d56997c3b134f4ac2ae2607
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/a33145f494e6cb82f3e018662cc7c4febf271f22
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e1a199ec31617242e1a0ea8f312341e682d0c037
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/e43364f578cdc2f8083abbc0cb743ea55e827c29
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/fb0530025d502cb79d2b2801b14a9d5261833f1a
    Patch