CVE-2023-54245

Linux Kernel 5.12-5.14, 5.16-6.1.22, 6.2-6.2.9 - Memory Corruption via ASoC TX-Macro Regcache Read

Title source: llm
STIX 2.1

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

EPSS 0.0018
EPSS Percentile 7.3%

Details

Status published
Products (13)
linux/Kernel 5.12.0 - 5.15.106linux
linux/Kernel 5.16.0 - 6.1.23linux
linux/Kernel 6.2.0 - 6.2.10linux
Linux/Linux < 5.12
Linux/Linux 5.12
Linux/Linux 5.15.106 - 5.15.*
Linux/Linux 6.1.23 - 6.1.*
Linux/Linux 6.2.10 - 6.2.*
Linux/Linux 6.3
Linux/Linux d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5 - 57f9a9a232bde7abfe49c3072b29a255da9ba891
... and 3 more
Published Dec 30, 2025
Tracked Since Feb 18, 2026