cve/published/2025/CVE-2025-37846.json

{
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      "cna": {
         "providerMetadata": {
            "orgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038"
         },
         "descriptions": [
            {
               "lang": "en",
               "value": "In the Linux kernel, the following vulnerability has been resolved:\n\narm64: mops: Do not dereference src reg for a set operation\n\nThe source register is not used for SET* and reading it can result in\na UBSAN out-of-bounds array access error, specifically when the MOPS\nexception is taken from a SET* sequence with XZR (reg 31) as the\nsource. Architecturally this is the only case where a src/dst/size\nfield in the ESR can be reported as 31.\n\nPrior to 2de451a329cf662b the code in do_el0_mops() was benign as the\nuse of pt_regs_read_reg() prevented the out-of-bounds access."
            }
         ],
         "affected": [
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "unaffected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "arch/arm64/include/asm/traps.h"
               ],
               "versions": [
                  {
                     "version": "2de451a329cf662beeba71f63c7f83ee24ca6642",
                     "lessThan": "eec737e17e5567e08148550a7f1d94d495b9fb17",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2de451a329cf662beeba71f63c7f83ee24ca6642",
                     "lessThan": "43267d934eacff6c70e15545d804ebbcab8a0bf5",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2de451a329cf662beeba71f63c7f83ee24ca6642",
                     "lessThan": "5f6022a74147675124b781fdc056b291850e7786",
                     "status": "affected",
                     "versionType": "git"
                  },
                  {
                     "version": "2de451a329cf662beeba71f63c7f83ee24ca6642",
                     "lessThan": "a13bfa4fe0d6949cea14718df2d1fe84c38cd113",
                     "status": "affected",
                     "versionType": "git"
                  }
               ]
            },
            {
               "product": "Linux",
               "vendor": "Linux",
               "defaultStatus": "affected",
               "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
               "programFiles": [
                  "arch/arm64/include/asm/traps.h"
               ],
               "versions": [
                  {
                     "version": "6.7",
                     "status": "affected"
                  },
                  {
                     "version": "0",
                     "lessThan": "6.7",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.12.24",
                     "lessThanOrEqual": "6.12.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.13.12",
                     "lessThanOrEqual": "6.13.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.14.3",
                     "lessThanOrEqual": "6.14.*",
                     "status": "unaffected",
                     "versionType": "semver"
                  },
                  {
                     "version": "6.15",
                     "lessThanOrEqual": "*",
                     "status": "unaffected",
                     "versionType": "original_commit_for_fix"
                  }
               ]
            }
         ],
         "cpeApplicability": [
            {
               "nodes": [
                  {
                     "operator": "OR",
                     "negate": false,
                     "cpeMatch": [
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.7",
                           "versionEndExcluding": "6.12.24"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.7",
                           "versionEndExcluding": "6.13.12"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.7",
                           "versionEndExcluding": "6.14.3"
                        },
                        {
                           "vulnerable": true,
                           "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
                           "versionStartIncluding": "6.7",
                           "versionEndExcluding": "6.15"
                        }
                     ]
                  }
               ]
            }
         ],
         "references": [
            {
               "url": "https://git.kernel.org/stable/c/eec737e17e5567e08148550a7f1d94d495b9fb17"
            },
            {
               "url": "https://git.kernel.org/stable/c/43267d934eacff6c70e15545d804ebbcab8a0bf5"
            },
            {
               "url": "https://git.kernel.org/stable/c/5f6022a74147675124b781fdc056b291850e7786"
            },
            {
               "url": "https://git.kernel.org/stable/c/a13bfa4fe0d6949cea14718df2d1fe84c38cd113"
            }
         ],
         "title": "arm64: mops: Do not dereference src reg for a set operation",
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      }
   },
   "cveMetadata": {
      "assignerOrgId": "f4215fc3-5b6b-47ff-a258-f7189bd81038",
      "cveID": "CVE-2025-37846",
      "requesterUserId": "gregkh@kernel.org",
      "serial": "1",
      "state": "PUBLISHED"
   },
   "dataType": "CVE_RECORD",
   "dataVersion": "5.0"
}