{"id":"CVE-2023-54245","state":"PUBLISHED","title":"ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds\n\nWhen we run syzkaller we get below Out of Bound.\n    \"KASAN: slab-out-of-bounds Read in regcache_flat_read\"\n\n    Below is the backtrace of the issue:\n\n    dump_backtrace+0x0/0x4c8\n    show_stack+0x34/0x44\n    dump_stack_lvl+0xd8/0x118\n    print_address_description+0x30/0x2d8\n    kasan_report+0x158/0x198\n    __asan_report_load4_noabort+0x44/0x50\n    regcache_flat_read+0x10c/0x110\n    regcache_read+0xf4/0x180\n    _regmap_read+0xc4/0x278\n    _regmap_update_bits+0x130/0x290\n    regmap_update_bits_base+0xc0/0x15c\n    snd_soc_component_update_bits+0xa8/0x22c\n    snd_soc_component_write_field+0x68/0xd4\n    tx_macro_digital_mute+0xec/0x140\n\n    Actually There is no need to have decimator with 32 bits.\n    By limiting the variable with short type u8 issue is resolved.","publishedAt":"2025-12-30T12:15:44.060Z","updatedAt":"2026-05-11T19:58:15.830Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5","status":"affected","lessThan":"da35a4e6eee5d73886312e85322a6e97df901987","versionType":"git"},{"version":"d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5","status":"affected","lessThan":"57f9a9a232bde7abfe49c3072b29a255da9ba891","versionType":"git"},{"version":"d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5","status":"affected","lessThan":"b0cd740a31412340fead50e69e4fe9bc3781c754","versionType":"git"},{"version":"d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5","status":"affected","lessThan":"e5e7e398f6bb7918dab0612eb6991f7bae95520d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/soc/codecs/lpass-tx-macro.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.106","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.23","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.10","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/soc/codecs/lpass-tx-macro.c"]}],"references":["https://git.kernel.org/stable/c/da35a4e6eee5d73886312e85322a6e97df901987","https://git.kernel.org/stable/c/57f9a9a232bde7abfe49c3072b29a255da9ba891","https://git.kernel.org/stable/c/b0cd740a31412340fead50e69e4fe9bc3781c754","https://git.kernel.org/stable/c/e5e7e398f6bb7918dab0612eb6991f7bae95520d"],"weaknesses":[],"ingestedAt":"2026-10-29T20:06:42.242Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2023/54xxx/CVE-2023-54245.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2023-54245","state":"PUBLISHED","datePublished":"2025-12-30T12:15:44.060Z","dateUpdated":"2026-05-11T19:58:15.830Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2025-12-30T12:06:44.513Z"},"containers":{"cna":{"title":"ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\nASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds\n\nWhen we run syzkaller we get below Out of Bound.\n    \"KASAN: slab-out-of-bounds Read in regcache_flat_read\"\n\n    Below is the backtrace of the issue:\n\n    dump_backtrace+0x0/0x4c8\n    show_stack+0x34/0x44\n    dump_stack_lvl+0xd8/0x118\n    print_address_description+0x30/0x2d8\n    kasan_report+0x158/0x198\n    __asan_report_load4_noabort+0x44/0x50\n    regcache_flat_read+0x10c/0x110\n    regcache_read+0xf4/0x180\n    _regmap_read+0xc4/0x278\n    _regmap_update_bits+0x130/0x290\n    regmap_update_bits_base+0xc0/0x15c\n    snd_soc_component_update_bits+0xa8/0x22c\n    snd_soc_component_write_field+0x68/0xd4\n    tx_macro_digital_mute+0xec/0x140\n\n    Actually There is no need to have decimator with 32 bits.\n    By limiting the variable with short type u8 issue is resolved."}],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5","status":"affected","lessThan":"da35a4e6eee5d73886312e85322a6e97df901987","versionType":"git"},{"version":"d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5","status":"affected","lessThan":"57f9a9a232bde7abfe49c3072b29a255da9ba891","versionType":"git"},{"version":"d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5","status":"affected","lessThan":"b0cd740a31412340fead50e69e4fe9bc3781c754","versionType":"git"},{"version":"d207bdea0ca9efde321ff142e9b9f2ef73f9cdf5","status":"affected","lessThan":"e5e7e398f6bb7918dab0612eb6991f7bae95520d","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/soc/codecs/lpass-tx-macro.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"5.12","status":"affected"},{"version":"0","status":"unaffected","lessThan":"5.12","versionType":"semver"},{"version":"5.15.106","status":"unaffected","lessThanOrEqual":"5.15.*","versionType":"semver"},{"version":"6.1.23","status":"unaffected","lessThanOrEqual":"6.1.*","versionType":"semver"},{"version":"6.2.10","status":"unaffected","lessThanOrEqual":"6.2.*","versionType":"semver"},{"version":"6.3","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["sound/soc/codecs/lpass-tx-macro.c"]}],"references":[{"url":"https://git.kernel.org/stable/c/da35a4e6eee5d73886312e85322a6e97df901987"},{"url":"https://git.kernel.org/stable/c/57f9a9a232bde7abfe49c3072b29a255da9ba891"},{"url":"https://git.kernel.org/stable/c/b0cd740a31412340fead50e69e4fe9bc3781c754"},{"url":"https://git.kernel.org/stable/c/e5e7e398f6bb7918dab0612eb6991f7bae95520d"}],"providerMetadata":{"shortName":"Linux","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateUpdated":"2026-05-11T19:58:15.830Z"},"cpeApplicability":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"5.15.106"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.1.23"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.2.10"},{"vulnerable":true,"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionStartIncluding":"5.12","versionEndExcluding":"6.3"}]}]}],"x_generator":{"engine":"bippy-1.2.0"}}}}}