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Unrated severityNVD Advisory· Published Dec 30, 2025· Updated Apr 15, 2026

CVE-2023-54245

CVE-2023-54245

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.

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Affected products

76

Patches

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