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CVE-2023-53705
ipv6: Fix out-of-bounds access in ipv6_find_tlv()
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.

INFO

Published Date :

Oct. 22, 2025, 2:15 p.m.

Last Modified :

Oct. 22, 2025, 9:12 p.m.

Remotely Exploit :

No

Source :

416baaa9-dc9f-4396-8d5f-8c081fb06d67
Affected Products

The following products are affected by CVE-2023-53705 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Linux linux_kernel
: Total Affected Vendor : 1 | Products : 1
Solution
Apply Linux kernel updates to fix an out-of-bounds access vulnerability.
  • Update the Linux kernel to the latest version.
  • Verify the patch is applied to the system.
  • Reboot the system after applying updates.
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2023-53705.

URL Resource
https://git.kernel.org/stable/c/011f47c8b8389154f996f5f69da8efc3a3beefef
https://git.kernel.org/stable/c/04bf69e3de435d793a203aacc4b774f8f9f2baeb
https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94
https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671
https://git.kernel.org/stable/c/91dd8aab9c9f193210681b86b6b92840ffe74f0c
https://git.kernel.org/stable/c/9b92e2d0eb696d7586ba832c8854653b59887da0
https://git.kernel.org/stable/c/ae68c0f7edbc9a294094ce03a0aaf45aa489ce40
https://git.kernel.org/stable/c/e5f82688ae10f5f386952e65e941bb8868ee54dc
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2023-53705 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2023-53705 weaknesses.

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2023-53705 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2023-53705 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • New CVE Received by 416baaa9-dc9f-4396-8d5f-8c081fb06d67

    Oct. 22, 2025

    Action Type Old Value New Value
    Added 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.
    Added Reference https://git.kernel.org/stable/c/011f47c8b8389154f996f5f69da8efc3a3beefef
    Added Reference https://git.kernel.org/stable/c/04bf69e3de435d793a203aacc4b774f8f9f2baeb
    Added Reference https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94
    Added Reference https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671
    Added Reference https://git.kernel.org/stable/c/91dd8aab9c9f193210681b86b6b92840ffe74f0c
    Added Reference https://git.kernel.org/stable/c/9b92e2d0eb696d7586ba832c8854653b59887da0
    Added Reference https://git.kernel.org/stable/c/ae68c0f7edbc9a294094ce03a0aaf45aa489ce40
    Added Reference https://git.kernel.org/stable/c/e5f82688ae10f5f386952e65e941bb8868ee54dc
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
No CVSS metrics available for this vulnerability.