UBUNTU-CVE-2024-46849
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
02 / AFFECTED SOFTWARE
Affected packages
33 explicit affected versions
1 explicit affected versions
9 explicit affected versions
8 explicit affected versions
7 explicit affected versions
50 explicit affected versions
10 explicit affected versions
14 explicit affected versions
13 explicit affected versions
26 explicit affected versions
8 explicit affected versions
7 explicit affected versions
1 explicit affected versions
1 explicit affected versions
11 explicit affected versions
10 explicit affected versions
14 explicit affected versions
39 explicit affected versions
53 explicit affected versions
50 explicit affected versions
6 explicit affected versions
10 explicit affected versions
12 explicit affected versions
19 explicit affected versions
6 explicit affected versions
63 explicit affected versions
48 explicit affected versions
72 explicit affected versions
58 explicit affected versions
49 explicit affected versions
8 explicit affected versions
14 explicit affected versions
55 explicit affected versions
7 explicit affected versions
99 explicit affected versions
54 explicit affected versions
9 explicit affected versions
99 explicit affected versions
13 explicit affected versions
11 explicit affected versions
14 explicit affected versions
35 explicit affected versions
15 explicit affected versions
18 explicit affected versions
18 explicit affected versions
16 explicit affected versions
64 explicit affected versions
14 explicit affected versions
101 explicit affected versions
13 explicit affected versions
4 explicit affected versions
23 explicit affected versions
18 explicit affected versions
21 explicit affected versions
16 explicit affected versions
10 explicit affected versions
56 explicit affected versions
7 explicit affected versions
16 explicit affected versions
7 explicit affected versions
12 explicit affected versions
46 explicit affected versions
12 explicit affected versions
14 explicit affected versions
7 explicit affected versions
88 explicit affected versions
12 explicit affected versions
10 explicit affected versions
104 explicit affected versions
112 explicit affected versions
12 explicit affected versions
9 explicit affected versions
9 explicit affected versions
1 explicit affected versions
10 explicit affected versions
37 explicit affected versions
13 explicit affected versions
37 explicit affected versions
26 explicit affected versions
13 explicit affected versions
10 explicit affected versions
29 explicit affected versions
92 explicit affected versions
13 explicit affected versions
60 explicit affected versions
8 explicit affected versions
87 explicit affected versions
57 explicit affected versions
104 explicit affected versions
19 explicit affected versions
33 explicit affected versions
23 explicit affected versions
10 explicit affected versions
1 explicit affected versions
7 explicit affected versions
11 explicit affected versions
12 explicit affected versions
7 explicit affected versions
12 explicit affected versions
102 explicit affected versions
46 explicit affected versions
40 explicit affected versions
56 explicit affected versions
10 explicit affected versions
17 explicit affected versions
17 explicit affected versions
26 explicit affected versions
16 explicit affected versions
37 explicit affected versions
1 explicit affected versions
51 explicit affected versions
13 explicit affected versions
16 explicit affected versions
62 explicit affected versions
16 explicit affected versions
59 explicit affected versions
14 explicit affected versions
47 explicit affected versions
3 explicit affected versions
1 explicit affected versions
2 explicit affected versions
69 explicit affected versions
12 explicit affected versions
45 explicit affected versions
27 explicit affected versions
31 explicit affected versions
1 explicit affected versions
20 explicit affected versions
5 explicit affected versions
8 explicit affected versions
1 explicit affected versions
10 explicit affected versions
13 explicit affected versions
13 explicit affected versions
91 explicit affected versions
13 explicit affected versions
55 explicit affected versions
12 explicit affected versions
91 explicit affected versions
44 explicit affected versions
16 explicit affected versions
3 explicit affected versions
45 explicit affected versions
37 explicit affected versions
17 explicit affected versions
14 explicit affected versions
38 explicit affected versions
49 explicit affected versions
9 explicit affected versions
48 explicit affected versions
11 explicit affected versions
56 explicit affected versions
7 explicit affected versions
29 explicit affected versions
63 explicit affected versions
4 explicit affected versions
54 explicit affected versions
13 explicit affected versions
43 explicit affected versions
57 explicit affected versions
10 explicit affected versions
8 explicit affected versions
12 explicit affected versions
14 explicit affected versions
92 explicit affected versions
4 explicit affected versions
78 explicit affected versions
11 explicit affected versions
1 explicit affected versions
10 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
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
05 / REFERENCES
Further evidence
- https://git.kernel.org/linus/4f9a71435953f941969a4f017e2357db62d85a86
- https://git.kernel.org/stable/c/4f9a71435953f941969a4f017e2357db62d85a86
- https://git.kernel.org/stable/c/7d318166bf55e9029d56997c3b134f4ac2ae2607
- https://git.kernel.org/stable/c/e1a199ec31617242e1a0ea8f312341e682d0c037
- https://git.kernel.org/stable/c/e43364f578cdc2f8083abbc0cb743ea55e827c29
- https://ubuntu.com/security/CVE-2024-46849
- https://ubuntu.com/security/notices/USN-7154-1
- https://ubuntu.com/security/notices/USN-7154-2
- https://ubuntu.com/security/notices/USN-7155-1
- https://ubuntu.com/security/notices/USN-7156-1
- https://ubuntu.com/security/notices/USN-7166-1
- https://ubuntu.com/security/notices/USN-7166-2
- https://ubuntu.com/security/notices/USN-7166-3
- https://ubuntu.com/security/notices/USN-7166-4
- https://ubuntu.com/security/notices/USN-7186-1
- https://ubuntu.com/security/notices/USN-7186-2
- https://ubuntu.com/security/notices/USN-7194-1
- https://ubuntu.com/security/notices/USN-7196-1
- https://ubuntu.com/security/notices/USN-7293-1
- https://ubuntu.com/security/notices/USN-7294-1
- https://ubuntu.com/security/notices/USN-7294-2
- https://ubuntu.com/security/notices/USN-7294-3
- https://ubuntu.com/security/notices/USN-7294-4
- https://ubuntu.com/security/notices/USN-7295-1
- https://ubuntu.com/security/notices/USN-7393-1
- https://ubuntu.com/security/notices/USN-7401-1
- https://ubuntu.com/security/notices/USN-7413-1
- https://ubuntu.com/security/notices/USN-7539-1
- https://ubuntu.com/security/notices/USN-7540-1
- https://www.cve.org/CVERecord?id=CVE-2024-46849