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.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Linux Linux
Default version status: unaffected
d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5 to < da35a4e6eee5d73886312e85322a6e97df901987affectedd207bdea0ca9efde321ff142e9b9f2ef73f9cdf5 to < 57f9a9a232bde7abfe49c3072b29a255da9ba891affectedd207bdea0ca9efde321ff142e9b9f2ef73f9cdf5 to < b0cd740a31412340fead50e69e4fe9bc3781c754affectedd207bdea0ca9efde321ff142e9b9f2ef73f9cdf5 to < e5e7e398f6bb7918dab0612eb6991f7bae95520daffected
Linux Linux
Default version status: affected
5.12affected0 to < 5.12unaffected5.15.106 to ≤ 5.15.*unaffected6.1.23 to ≤ 6.1.*unaffected6.2.10 to ≤ 6.2.*unaffected6.3 to ≤ *unaffected