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CVE-2026-74295

ASoC: codecs: hdac_hdmi: Validate written enum value

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 5.15.212, 6.1.178, 6.6.145, 6.12.97, 6.18.40, and 1 more
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: none
  • Automatable: no
  • Technical impact: partial

Summary

In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: hdac_hdmi: Validate written enum value hdac_hdmi_set_pin_port_mux() uses the written enum value to index the texts array before calling snd_soc_dapm_put_enum_double(), which validates that the value is within the enum item range. An out-of-range value can therefore make the driver read past the texts array before the helper rejects the write. Move the lookup after the helper has accepted the value.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: none · Automatable: no · Technical impact: partial

  3. Record last updated

Affected versions

  • Linux Linux

    From 4a3478debf36c0aa0cf0860daec245b13cd4448f · fixed in 216336418c007c4b44c650acf2fd3d2de5bb81e8; From 4a3478debf36c0aa0cf0860daec245b13cd4448f · fixed in bc464a6a9e352daa17b1636c090cf3185710b9a0; From 4a3478debf36c0aa0cf0860daec245b13cd4448f · fixed in 8cbf24714d6b3f553fc959632c9781176a73a9a7; From 4a3478debf36c0aa0cf0860daec245b13cd4448f · fixed in 7f02e9064b6f84e7f93c72f134306271eb4f7de4; From 4a3478debf36c0aa0cf0860daec245b13cd4448f · fixed in 9131e4b023e0db5764680034bdc94aeae0b0f33d; From 4a3478debf36c0aa0cf0860daec245b13cd4448f · fixed in d8961b5c7889b6ecc00f1409d36826df1665df27; From 4a3478debf36c0aa0cf0860daec245b13cd4448f · fixed in 0b08baeccdcf52fad328ad645f5b4fbee04eea34

  • Linux Linux

    4.6

  • KernelLinux

    From 4.6.0 · fixed in 5.15.212; From 5.16.0 · fixed in 6.1.178; From 6.2.0 · fixed in 6.6.145; From 6.7.0 · fixed in 6.12.97; From 6.13.0 · fixed in 6.18.40; From 6.19.0 · fixed in 7.1.5

References 7

git.kernel.org