Riskcovery

CVE-2023-54245

ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds

State
Published
Severity
Not scored
Published
Dec 30, 2025
Updated
May 11, 2026
Reserved
Dec 30, 2025

Read the record on cve.org

Description

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

ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds

When we run syzkaller we get below Out of Bound. "KASAN: slab-out-of-bounds Read in regcache_flat_read"

Below is the backtrace of the issue:

dump_backtrace+0x0/0x4c8 show_stack+0x34/0x44 dump_stack_lvl+0xd8/0x118 print_address_description+0x30/0x2d8 kasan_report+0x158/0x198 __asan_report_load4_noabort+0x44/0x50 regcache_flat_read+0x10c/0x110 regcache_read+0xf4/0x180 _regmap_read+0xc4/0x278 _regmap_update_bits+0x130/0x290 regmap_update_bits_base+0xc0/0x15c snd_soc_component_update_bits+0xa8/0x22c snd_soc_component_write_field+0x68/0xd4 tx_macro_digital_mute+0xec/0x140

Actually There is no need to have decimator with 32 bits. By limiting the variable with short type u8 issue is resolved.

Scores

The record has no CVSS score.

Weaknesses

The record names no weakness.

Affected Products

ProductVersions
LinuxLinux
  • d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5 to before da35a4e6eee5d73886312e85322a6e97df901987Affected
  • d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5 to before 57f9a9a232bde7abfe49c3072b29a255da9ba891Affected
  • d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5 to before b0cd740a31412340fead50e69e4fe9bc3781c754Affected
  • d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5 to before e5e7e398f6bb7918dab0612eb6991f7bae95520dAffected
LinuxLinux
  • 5.12Affected
  • before 5.12Not affected
  • 5.15.106 through 5.15.*Not affected
  • 6.1.23 through 6.1.*Not affected
  • 6.2.10 through 6.2.*Not affected
  • 6.3 and laterNot affected

References

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