Back
CVE-2023-53705
ipv6: Fix out-of-bounds access in ipv6_find_tlv()
High8.2EPSS 0.56%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
| NVDNVD · Deferred | 3.1 | High8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.56% · top 53% of all CVEs (6 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: yes · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.2.
Affected products
- affected c61a404325093250b676f40ad8f4dd00f3bcab5f – < 59e656d0d4a84ea0ee9a39c6f69160a3effccc94
- affected c61a404325093250b676f40ad8f4dd00f3bcab5f – < 04bf69e3de435d793a203aacc4b774f8f9f2baeb
- affected c61a404325093250b676f40ad8f4dd00f3bcab5f – < 011f47c8b8389154f996f5f69da8efc3a3beefef
- affected c61a404325093250b676f40ad8f4dd00f3bcab5f – < e5f82688ae10f5f386952e65e941bb8868ee54dc
- affected c61a404325093250b676f40ad8f4dd00f3bcab5f – < 9b92e2d0eb696d7586ba832c8854653b59887da0
- affected c61a404325093250b676f40ad8f4dd00f3bcab5f – < 91dd8aab9c9f193210681b86b6b92840ffe74f0c
- affected c61a404325093250b676f40ad8f4dd00f3bcab5f – < ae68c0f7edbc9a294094ce03a0aaf45aa489ce40
- affected c61a404325093250b676f40ad8f4dd00f3bcab5f – < 878ecb0897f4737a4c9401f3523fd49589025671
- affected 2.6.19
- unaffected < 2.6.19
- unaffected 4.14.316 – ≤ 4.14.*
- unaffected 4.19.284 – ≤ 4.19.*
- unaffected 5.4.244 – ≤ 5.4.*
- unaffected 5.10.181 – ≤ 5.10.*
- unaffected 5.15.114 – ≤ 5.15.*
- unaffected 6.1.31 – ≤ 6.1.*
- unaffected 6.3.5 – ≤ 6.3.*
- unaffected 6.4 – ≤ *
References (8)
- https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94 (opens in a new tab)
- https://git.kernel.org/stable/c/04bf69e3de435d793a203aacc4b774f8f9f2baeb (opens in a new tab)
- https://git.kernel.org/stable/c/011f47c8b8389154f996f5f69da8efc3a3beefef (opens in a new tab)
- https://git.kernel.org/stable/c/e5f82688ae10f5f386952e65e941bb8868ee54dc (opens in a new tab)
- https://git.kernel.org/stable/c/9b92e2d0eb696d7586ba832c8854653b59887da0 (opens in a new tab)
- https://git.kernel.org/stable/c/91dd8aab9c9f193210681b86b6b92840ffe74f0c (opens in a new tab)
- https://git.kernel.org/stable/c/ae68c0f7edbc9a294094ce03a0aaf45aa489ce40 (opens in a new tab)
- https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671 (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://trackcve.app/cve/CVE-2023-53705)Record last updated .