CVE-2023-53705

CVE-2023-53705

High · published October 22, 2025

CVSS v3.1
8.2
EPSS
1%
Percentile
46.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.2 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00564 · 46.1th percentile
Published
2025-10-22T18:15Z
References (8)
https://git.kernel.org/stable/c/011f47c8b8389154f996f5f69da8efc3a3beefef · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/04bf69e3de435d793a203aacc4b774f8f9f2baeb · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/59e656d0d4a84ea0ee9a39c6f69160a3effccc94 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/878ecb0897f4737a4c9401f3523fd49589025671 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/91dd8aab9c9f193210681b86b6b92840ffe74f0c · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/9b92e2d0eb696d7586ba832c8854653b59887da0 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/ae68c0f7edbc9a294094ce03a0aaf45aa489ce40 · 416baaa9-dc9f-4396-8d5f-8c081fb06d67https://git.kernel.org/stable/c/e5f82688ae10f5f386952e65e941bb8868ee54dc · 416baaa9-dc9f-4396-8d5f-8c081fb06d67
EPSS history
Timeline
  • 22 OCT 13:23Z
    ipv6: Fix out-of-bounds access in ipv6_find_tlv()
    cvelistv5