CVE-2026-74333

ASoC: amd: acp-sdw-legacy: Bound DAI link iteration

HIGH
8.4
CVSS Score
Published: August 15, 2026 at 05:58 AM UTC
Updated: October 16, 2026 at 07:17 PM UTC
1 product affected across 1 vendorLinux Kernel

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Severity
HIGH8.4
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

2981d9b0789c44b7375e7d599caf71bd843afc9e6.13
Vendor states this is fixed in 0230471eef5902207516851dcd47c559571dded2 (fixed)
Vendor states this is fixed in 1279bdab5fa1f28c168e54215db506e87c6fac1e (fixed)
Vendor states this is fixed in d49ecdf327cc91062d2f80996a163cf65fda1e60 (fixed)
Vendor states this is fixed in 6.13 (unaffected)
Vendor states this is fixed in 6.18.40 (unaffected)
Vendor states this is fixed in 7.1.5 (unaffected)
Vendor states this is fixed in 7.2 (unaffected)

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.4HIGHLinux
Vector?

Quick Info

StatusRECEIVED

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