ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds

{
  "id": "0436552681e78da059e6418873818b00a2462cea77cfb28c50bd59010fb0cb95",
  "url": "https://osv.dev/vulnerability/CVE-2023-54245",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds",
    "summary": "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.",
    "evidence": "osv:CVE-2023-54245",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.15.106",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.1.23",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "6.2.10",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CVE-2023-54245",
      "aliases": [
        "CVE-2023-54245"
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
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                  "fixed": "da35a4e6eee5d73886312e85322a6e97df901987"
                },
                {
                  "fixed": "57f9a9a232bde7abfe49c3072b29a255da9ba891"
                },
                {
                  "fixed": "b0cd740a31412340fead50e69e4fe9bc3781c754"
                },
                {
                  "fixed": "e5e7e398f6bb7918dab0612eb6991f7bae95520d"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54245.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.12.0"
                },
                {
                  "fixed": "5.15.106"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "6.1.23"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "6.2.0"
                },
                {
                  "fixed": "6.2.10"
                }
              ]
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          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-54245.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:51.011628979Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/57f9a9a232bde7abfe49c3072b29a255da9ba891",
        "https://git.kernel.org/stable/c/b0cd740a31412340fead50e69e4fe9bc3781c754",
        "https://git.kernel.org/stable/c/da35a4e6eee5d73886312e85322a6e97df901987",
        "https://git.kernel.org/stable/c/e5e7e398f6bb7918dab0612eb6991f7bae95520d",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54245.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-54245",
        "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"
      ],
      "provider_metadata": {
        "cna_assigner": "Linux",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/54xxx/CVE-2023-54245.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-54245",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 519880,
  "published_at": "2025-12-30T12:15:44.06+00:00"
}