crypto: arm64/poly1305 - fix a read out-of-bound

{
  "id": "ca5c13d03f0d9e8d60d7b94b2386e8846c74906eed92a77c9ccc9511ecff0d7d",
  "url": "https://osv.dev/vulnerability/CVE-2022-50231",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "crypto: arm64/poly1305 - fix a read out-of-bound",
    "summary": "In the Linux kernel, the following vulnerability has been resolved: crypto: arm64/poly1305 - fix a read out-of-bound A kasan error was reported during fuzzing: BUG: KASAN: slab-out-of-bounds in neon_poly1305_blocks.constprop.0+0x1b4/0x250 [poly1305_neon] Read of size 4 at addr ffff0010e293f010 by task syz-executor.5/1646715 CPU: 4 PID: 1646715 Comm: syz-executor.5 Kdump: loaded Not tainted 5.10.0.aarch64 #1 Hardware name: Huawei TaiShan 2280 /BC11SPCD, BIOS 1.59 01/31/2019 Call trace: dump_backtrace+0x0/0x394 show_stack+0x34/0x4c arch/arm64/kernel/stacktrace.c:196 __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x158/0x1e4 lib/dump_stack.c:118 print_address_description.constprop.0+0x68/0x204 mm/kasan/report.c:387 __kasan_report+0xe0/0x140 mm/kasan/report.c:547 kasan_report+0x44/0xe0 mm/kasan/report.c:564 check_memory_region_inline mm/kasan/generic.c:187 [inline] __asan_load4+0x94/0xd0 mm/kasan/generic.c:252 neon_poly1305_blocks.constprop.0+0x1b4/0x250 [poly1305_neon] neon_poly1305_do_update+0x6c/0x15c [poly1305_neon] neon_poly1305_update+0x9c/0x1c4 [poly1305_neon] crypto_shash_update crypto/shash.c:131 [inline] shash_finup_unaligned+0x84/0x15c crypto/shash.c:179 crypto_shash_finup+0x8c/0x140 crypto/shash.c:193 shash_digest_unaligned+0xb8/0xe4 crypto/shash.c:201 crypto_shash_digest+0xa4/0xfc crypto/shash.c:217 crypto_shash_tfm_digest+0xb4/0x150 crypto/shash.c:229 essiv_skcipher_setkey+0x164/0x200 [essiv] crypto_skcipher_setkey+0xb0/0x160 crypto/skcipher.c:612 skcipher_set",
    "evidence": "osv:CVE-2022-50231",
    "products": [
      {
        "name": {
          "value": "Kernel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "5.10.136",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.15.60",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.18.17",
            "evidence": "/affected/1/ranges"
          },
          {
            "value": "5.19.1",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "high",
    "structured": {
      "id": "CVE-2022-50231",
      "aliases": [
        "CVE-2022-50231"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f569ca16475155013525686d0f73bc379c67e635"
                },
                {
                  "fixed": "3c77292d52b341831cb09c24ca4112a1e4f9e91f"
                },
                {
                  "fixed": "3d4c28475ee352c440b83484b72b1320ff76364a"
                },
                {
                  "fixed": "8d25a08599df7ca3093eb7ca731c7cd41cbfbb51"
                },
                {
                  "fixed": "d069dcffef849b8fd10030fd73007a79612803e6"
                },
                {
                  "fixed": "7ae19d422c7da84b5f13bc08b98bd737a08d3a53"
                }
              ]
            }
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50231.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.5.0"
                },
                {
                  "fixed": "5.10.136"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.11.0"
                },
                {
                  "fixed": "5.15.60"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.16.0"
                },
                {
                  "fixed": "5.18.17"
                }
              ]
            },
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "5.19.0"
                },
                {
                  "fixed": "5.19.1"
                }
              ]
            }
          ],
          "package": {
            "name": "Kernel",
            "ecosystem": "Linux"
          },
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50231.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:26.374257273Z",
      "provider": "osv",
      "references": [
        "https://git.kernel.org/stable/c/3c77292d52b341831cb09c24ca4112a1e4f9e91f",
        "https://git.kernel.org/stable/c/3d4c28475ee352c440b83484b72b1320ff76364a",
        "https://git.kernel.org/stable/c/7ae19d422c7da84b5f13bc08b98bd737a08d3a53",
        "https://git.kernel.org/stable/c/8d25a08599df7ca3093eb7ca731c7cd41cbfbb51",
        "https://git.kernel.org/stable/c/d069dcffef849b8fd10030fd73007a79612803e6",
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50231.json",
        "https://nvd.nist.gov/vuln/detail/CVE-2022-50231",
        "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/2022/50xxx/CVE-2022-50231.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2022-50231",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 492678,
  "published_at": "2025-06-18T11:04:07.315+00:00"
}