CVE-2026-74333
8.4
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Summary
In the Linux kernel, the following vulnerability has been resolved:
ASoC: amd: acp-sdw-legacy: Bound DAI link iteration
create_sdw_dailinks() walks soc_dais until it finds an entry with initialised cleared, but soc_dais is allocated with exactly num_ends entries. If all entries are initialised, the loop reads past the end of the array.
This was reported by KASAN:
BUG: KASAN: slab-out-of-bounds in mc_probe+0x26b3/0x2774 [snd_acp_sdw_legacy_mach] Read of size 1
Pass the allocated entry count to create_sdw_dailinks() and stop before reading past the array.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 2981d9b0789c44b7375e7d599caf71bd843afc9e < 1279bdab5fa1f28c168e54215db506e87c6fac1e | affected |
| Linux | Linux | 2981d9b0789c44b7375e7d599caf71bd843afc9e < 0230471eef5902207516851dcd47c559571dded2 | affected |
| Linux | Linux | 2981d9b0789c44b7375e7d599caf71bd843afc9e < d49ecdf327cc91062d2f80996a163cf65fda1e60 | affected |
| Linux | Linux | 6.13 | affected |
| Linux | Linux | 0 < 6.13 | unaffected |
| Linux | Linux | 6.18.40 <= 6.18.* | unaffected |
| Linux | Linux | 7.1.5 <= 7.1.* | unaffected |
| Linux | Linux | 7.2 <= * | unaffected |
Weaknesses
References
- https://git.kernel.org/stable/c/1279bdab5fa1f28c168e54215db506e87c6fac1e
- https://git.kernel.org/stable/c/0230471eef5902207516851dcd47c559571dded2
- https://git.kernel.org/stable/c/d49ecdf327cc91062d2f80996a163cf65fda1e60
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