CVE-2026-74332
Linux kernel audio driver OOB read may crash or leak memory
Is CVE-2026-74332 being exploited?
Not confirmed. CVE-2026-74332 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.14% probability of exploitation in the next 30 days.
How severe is CVE-2026-74332?
CVE-2026-74332 is rated High with a CVSS score of 8.4. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-74332?
Yes. A fix has been recorded for CVE-2026-74332. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-74332 affect?
CVE-2026-74332 affects Linux kernel (ASoC amd: acp-sdw-sof), Sound Open Firmware (SOF) on AMD platforms. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-74332?
Apply vendor/kernel update containing the fix immediately
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Out-of-bounds read in acp-sdw-sof kernel driver can crash the kernel (DoS) or disclose kernel memory; local exploit could enable privilege escalation.
Patch when possible
- affected>= 6d8348ddc56ed43ba39d1e8adda13299201f32ed and < 0a5ff4000dd7a390139dd7823fef1de4963e490a
- affected>= 6d8348ddc56ed43ba39d1e8adda13299201f32ed and < 9e82497138abea7d5c6e65015663d907fbcbf6b4
- affected>= 6d8348ddc56ed43ba39d1e8adda13299201f32ed and < 86a64c049873fe4d4a6a378e27a333ab5631c4b2
- affected>= 6d8348ddc56ed43ba39d1e8adda13299201f32ed and < 4d992e63f52d58f52b724606c60ae7b37a1c582f
- affected6.12
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.