CVE-2026-74295

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.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux4a3478debf36c0aa0cf0860daec245b13cd4448f < 216336418c007c4b44c650acf2fd3d2de5bb81e8affected
LinuxLinux4a3478debf36c0aa0cf0860daec245b13cd4448f < bc464a6a9e352daa17b1636c090cf3185710b9a0affected
LinuxLinux4a3478debf36c0aa0cf0860daec245b13cd4448f < 8cbf24714d6b3f553fc959632c9781176a73a9a7affected
LinuxLinux4a3478debf36c0aa0cf0860daec245b13cd4448f < 7f02e9064b6f84e7f93c72f134306271eb4f7de4affected
LinuxLinux4a3478debf36c0aa0cf0860daec245b13cd4448f < 9131e4b023e0db5764680034bdc94aeae0b0f33daffected
LinuxLinux4a3478debf36c0aa0cf0860daec245b13cd4448f < d8961b5c7889b6ecc00f1409d36826df1665df27affected
LinuxLinux4a3478debf36c0aa0cf0860daec245b13cd4448f < 0b08baeccdcf52fad328ad645f5b4fbee04eea34affected
LinuxLinux4.6affected
LinuxLinux0 < 4.6unaffected
LinuxLinux5.15.212 <= 5.15.*unaffected
LinuxLinux6.1.178 <= 6.1.*unaffected
LinuxLinux6.6.145 <= 6.6.*unaffected
LinuxLinux6.12.97 <= 6.12.*unaffected
LinuxLinux6.18.40 <= 6.18.*unaffected
LinuxLinux7.1.5 <= 7.1.*unaffected
LinuxLinux7.2 <= *unaffected

Weaknesses

References