ASoC: meson: axg-card: fix 'use-after-free'

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2024-46849
StatePUBLISHED
AssignerLinux
Source PriorityCVE Program / NVD first with legacy fallback
Published2024-09-27 13:15:16 UTC
Updated2026-05-05 15:21:02 UTC
DescriptionIn 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

Risk And Classification

Primary CVSS: v3.1 7.8 HIGH from [email protected]

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Problem Types: CWE-416

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Debian Debian Linux 11.0 All All All
Operating System Linux Linux Kernel All All All All

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Linux Linux affected 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b a33145f494e6cb82f3e018662cc7c4febf271f22 git Not specified
CNA Linux Linux affected 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b 5a2cc2bb81399e9ebc72560541137eb04d61dc3d git Not specified
CNA Linux Linux affected 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b fb0530025d502cb79d2b2801b14a9d5261833f1a git Not specified
CNA Linux Linux affected 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b e1a199ec31617242e1a0ea8f312341e682d0c037 git Not specified
CNA Linux Linux affected 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b e43364f578cdc2f8083abbc0cb743ea55e827c29 git Not specified
CNA Linux Linux affected 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b 7d318166bf55e9029d56997c3b134f4ac2ae2607 git Not specified
CNA Linux Linux affected 7864a79f37b55769b817d5e6c5ae0ca4bfdba93b 4f9a71435953f941969a4f017e2357db62d85a86 git Not specified
CNA Linux Linux affected 4.19 Not specified
CNA Linux Linux unaffected 4.19 semver Not specified
CNA Linux Linux unaffected 5.4.285 5.4.* semver Not specified
CNA Linux Linux unaffected 5.10.227 5.10.* semver Not specified
CNA Linux Linux unaffected 5.15.168 5.15.* semver Not specified
CNA Linux Linux unaffected 6.1.111 6.1.* semver Not specified
CNA Linux Linux unaffected 6.6.52 6.6.* semver Not specified
CNA Linux Linux unaffected 6.10.11 6.10.* semver Not specified
CNA Linux Linux unaffected 6.11 * original_commit_for_fix Not specified

References

ReferenceSourceLinkTags
git.kernel.org/stable/c/7d318166bf55e9029d56997c3b134f4ac2ae2607 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/a33145f494e6cb82f3e018662cc7c4febf271f22 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/03/msg00002.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
git.kernel.org/stable/c/4f9a71435953f941969a4f017e2357db62d85a86 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/e43364f578cdc2f8083abbc0cb743ea55e827c29 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/5a2cc2bb81399e9ebc72560541137eb04d61dc3d 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
lists.debian.org/debian-lts-announce/2025/01/msg00001.html af854a3a-2127-422b-91ae-364da2661108 lists.debian.org Mailing List, Third Party Advisory
git.kernel.org/stable/c/e1a199ec31617242e1a0ea8f312341e682d0c037 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
git.kernel.org/stable/c/fb0530025d502cb79d2b2801b14a9d5261833f1a 416baaa9-dc9f-4396-8d5f-8c081fb06d67 git.kernel.org Patch
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