CVE-2023-53705 (GCVE-0-2023-53705)

Vulnerability from cvelistv5 – Published: 2025-10-22 13:23 – Updated: 2026-10-15 21:41
VLAI
Title
ipv6: Fix out-of-bounds access in ipv6_find_tlv()
Summary
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.
Severity
8.2 (High)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
SSVC
Exploitation: none Automatable: yes Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-15 21:36 UTC
Assigner
Linux CNA under the mitre root
CNA scorecard D 53/100 over 6641 records in the last 180 days details
References
Impacted products
Vendor Product Version CPE status
Linux Linux Affected: c61a404325093250b676f40ad8f4dd00f3bcab5f , < 59e656d0d4a84ea0ee9a39c6f69160a3effccc94 (git)
Affected: c61a404325093250b676f40ad8f4dd00f3bcab5f , < 04bf69e3de435d793a203aacc4b774f8f9f2baeb (git)
Affected: c61a404325093250b676f40ad8f4dd00f3bcab5f , < 011f47c8b8389154f996f5f69da8efc3a3beefef (git)
Affected: c61a404325093250b676f40ad8f4dd00f3bcab5f , < e5f82688ae10f5f386952e65e941bb8868ee54dc (git)
Affected: c61a404325093250b676f40ad8f4dd00f3bcab5f , < 9b92e2d0eb696d7586ba832c8854653b59887da0 (git)
Affected: c61a404325093250b676f40ad8f4dd00f3bcab5f , < 91dd8aab9c9f193210681b86b6b92840ffe74f0c (git)
Affected: c61a404325093250b676f40ad8f4dd00f3bcab5f , < ae68c0f7edbc9a294094ce03a0aaf45aa489ce40 (git)
Affected: c61a404325093250b676f40ad8f4dd00f3bcab5f , < 878ecb0897f4737a4c9401f3523fd49589025671 (git)
guessed Create a notification for this product.
Linux Linux Affected: 2.6.19
Unaffected: 0 , < 2.6.19 (semver)
Unaffected: 4.14.316 , ≤ 4.14.* (semver)
Unaffected: 4.19.284 , ≤ 4.19.* (semver)
Unaffected: 5.4.244 , ≤ 5.4.* (semver)
Unaffected: 5.10.181 , ≤ 5.10.* (semver)
Unaffected: 5.15.114 , ≤ 5.15.* (semver)
Unaffected: 6.1.31 , ≤ 6.1.* (semver)
Unaffected: 6.3.5 , ≤ 6.3.* (semver)
Unaffected: 6.4 , ≤ * (original_commit_for_fix)
guessed Create a notification for this product.
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      "current_release_date": "2026-11-07T04:11:04+00:00",
      "cve": "CVE-2023-53705",
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      "product_status:fixed": "883",
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      "product_status:known_not_affected": "15",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "kernel: ipv6: Fix out-of-bounds access in ipv6_find_tlv()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-53705.json",
      "version": "3"
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                      {
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}



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Sightings

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Vulnerability timeline

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