Vulnerability in Linux

CVE-2023-53705

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.

EPSS: 0.002 (11.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H.

Affected products

  • Linux — versions c61a404325093250b676f40ad8f4dd00f3bcab5f, 2.6.19, 0

References

Frequently asked questions

What is CVE-2023-53705?
CVE-2023-53705 is a high-severity vulnerability in Linux. CVSS score: 8.2/10. Published 2025-10-22.
How severe is CVE-2023-53705?
High severity. CVSS v3 base score is 8.2 out of 10.