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ipv6: Fix out-of-bounds access in ipv6_find_tlv()

Type: advisorySource: Official CVE List1 source record

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix out-of-bounds access in ipv6_find_tlv() optlen is fetched without checking whether there is more than one byte to parse. It can lead to out-of-bounds access. Found by InfoTeCS on behalf of Linux Verification Center (linuxtesting.org) with SVACE.

Announced Source revision 1
Original source ↗

CVE-2023-53705

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: cve:CVE-2023-53705

Linux

Source reference: /containers/cna/affected/0/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Linux

Source reference: /containers/cna/affected/1/product

Affected versions
Not stated in this record
Fixed versions
Not stated in this record
Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
        "lessThan": "59e656d0d4a84ea0ee9a39c6f69160a3effccc94",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
        "lessThan": "04bf69e3de435d793a203aacc4b774f8f9f2baeb",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
        "lessThan": "011f47c8b8389154f996f5f69da8efc3a3beefef",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
        "lessThan": "e5f82688ae10f5f386952e65e941bb8868ee54dc",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
        "lessThan": "9b92e2d0eb696d7586ba832c8854653b59887da0",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
        "lessThan": "91dd8aab9c9f193210681b86b6b92840ffe74f0c",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
        "lessThan": "ae68c0f7edbc9a294094ce03a0aaf45aa489ce40",
        "versionType": "git"
      },
      {
        "status": "affected",
        "version": "c61a404325093250b676f40ad8f4dd00f3bcab5f",
        "lessThan": "878ecb0897f4737a4c9401f3523fd49589025671",
        "versionType": "git"
      }
    ],
    "programFiles": [
      "net/ipv6/exthdrs_core.c"
    ],
    "defaultStatus": "unaffected"
  },
  {
    "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
    "vendor": "Linux",
    "product": "Linux",
    "versions": [
      {
        "status": "affected",
        "version": "2.6.19"
      },
      {
        "status": "unaffected",
        "version": "0",
        "lessThan": "2.6.19",
        "versionType": "semver"
      },
      {
        "status": "unaffected",
        "version": "4.14.316",
        "versionType": "semver",
        "lessThanOrEqual": "4.14.*"
      },
      {
        "status": "unaffected",
        "version": "4.19.284",
        "versionType": "semver",
        "lessThanOrEqual": "4.19.*"
      },
      {
        "status": "unaffected",
        "version": "5.4.244",
        "versionType": "semver",
        "lessThanOrEqual": "5.4.*"
      },
      {
        "status": "unaffected",
        "version": "5.10.181",
        "versionType": "semver",
        "lessThanOrEqual": "5.10.*"
      },
      {
        "status": "unaffected",
        "version": "5.15.114",
        "versionType": "semver",
        "lessThanOrEqual": "5.15.*"
      },
      {
        "status": "unaffected",
        "version": "6.1.31",
        "versionType": "semver",
        "lessThanOrEqual": "6.1.*"
      },
      {
        "status": "unaffected",
        "version": "6.3.5",
        "versionType": "semver",
        "lessThanOrEqual": "6.3.*"
      },
      {
        "status": "unaffected",
        "version": "6.4",
        "versionType": "original_commit_for_fix",
        "lessThanOrEqual": "*"
      }
    ],
    "programFiles": [
      "net/ipv6/exthdrs_core.c"
    ],
    "defaultStatus": "affected"
  }
]
Related CVEs
CVE-2023-53705

Source reference: /cveMetadata/cveId

Publisher severity

high

Source reference: /containers/cna/metrics

Event
#30308 · Revision 1
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Publisher date
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