CVE-2023-54245 | THREATINT

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.

PUBLISHED Reserved 2025-12-30 | Published 2025-12-30 | Updated 2025-12-30 | Assigner Linux

Product status

Default status

unaffected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before da35a4e6eee5d73886312e85322a6e97df901987

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before 57f9a9a232bde7abfe49c3072b29a255da9ba891

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before b0cd740a31412340fead50e69e4fe9bc3781c754

affected

1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 (git) before e5e7e398f6bb7918dab0612eb6991f7bae95520d

affected

Default status

affected

5.15.106 (semver)

unaffected

6.1.23 (semver)

unaffected

6.2.10 (semver)

unaffected

6.3 (original_commit_for_fix)

unaffected

References

git.kernel.org/...c/da35a4e6eee5d73886312e85322a6e97df901987

git.kernel.org/...c/57f9a9a232bde7abfe49c3072b29a255da9ba891

git.kernel.org/...c/b0cd740a31412340fead50e69e4fe9bc3781c754

git.kernel.org/...c/e5e7e398f6bb7918dab0612eb6991f7bae95520d

cve.org (CVE-2023-54245)

nvd.nist.gov (CVE-2023-54245)

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