CVE-2023-53400

Summary

In the Linux kernel, the following vulnerability has been resolved:

ALSA: hda: Fix Oops by 9.1 surround channel names

get_line_out_pfx() may trigger an Oops by overflowing the static array with more than 8 channels. This was reported for MacBookPro 12,1 with Cirrus codec.

As a workaround, extend for the 9.1 channels and also fix the potential Oops by unifying the code paths accessing the same array with the proper size check.

Affected Software

VendorProductVersion RangeStatus
LinuxLinux247d85ee068610c50d66ee0cd3130e02c69f5f2e < 082dcd51667b29097500c824c37f24da997a6a8aaffected
LinuxLinux247d85ee068610c50d66ee0cd3130e02c69f5f2e < b5694aae4c2d9a288bafce7d38f122769e0428e6affected
LinuxLinux247d85ee068610c50d66ee0cd3130e02c69f5f2e < 4ef155ddf9578bf035964d58739fdcd7dd44b4a4affected
LinuxLinux247d85ee068610c50d66ee0cd3130e02c69f5f2e < 546b1f5f45a355ae0d3a8041cdaca597dfcac825affected
LinuxLinux247d85ee068610c50d66ee0cd3130e02c69f5f2e < e8c7d7c43d5edd20e518fe1dfb2371d1fe6e8bb8affected
LinuxLinux247d85ee068610c50d66ee0cd3130e02c69f5f2e < dc8c569d59f17b17d7bca4f68c36bd571659921eaffected
LinuxLinux247d85ee068610c50d66ee0cd3130e02c69f5f2e < fcf637461019e9a5a0c12fc5c42a9db1779b0634affected
LinuxLinux247d85ee068610c50d66ee0cd3130e02c69f5f2e < 3b44ec8c5c44790a82f07e90db45643c762878c6affected
LinuxLinux3.9affected
LinuxLinux0 < 3.9unaffected
LinuxLinux4.14.316 <= 4.14.*unaffected
LinuxLinux4.19.284 <= 4.19.*unaffected
LinuxLinux5.4.244 <= 5.4.*unaffected
LinuxLinux5.10.181 <= 5.10.*unaffected
LinuxLinux5.15.113 <= 5.15.*unaffected
LinuxLinux6.1.30 <= 6.1.*unaffected
LinuxLinux6.3.4 <= 6.3.*unaffected
LinuxLinux6.4 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References