CVE-2023-53705
High
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.
SeverityHigh
CVSS8.2
Exploit probability—
Product
Linux
PublishedOct 22, 2025
First seenOct 22, 2025
How to fix
Update
- Linux Linux59e656d0d4a84ea0ee9a39c6f69160a3effccc94, 04bf69e3de435d793a203aacc4b774f8f9f2baeb, 011f47c8b8389154f996f5f69da8efc3a3beefef, e5f82688ae10f5f386952e65e941bb8868ee54dc, 9b92e2d0eb696d7586ba832c8854653b59887da0, 91dd8aab9c9f193210681b86b6b92840ffe74f0c, ae68c0f7edbc9a294094ce03a0aaf45aa489ce40, 878ecb0897f4737a4c9401f3523fd49589025671 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Linux Linux | c61a404325093250b676f40ad8f4dd00f3bcab5f ≤ v < 59e656d0d4a84ea0ee9a39c6f69160a3effccc94, c61a404325093250b676f40ad8f4dd00f3bcab5f ≤ v < 04bf69e3de435d793a203aacc4b774f8f9f2baeb, c61a404325093250b676f40ad8f4dd00f3bcab5f ≤ v < 011f47c8b8389154f996f5f69da8efc3a3beefef, c61a404325093250b676f40ad8f4dd00f3bcab5f ≤ v < e5f82688ae10f5f386952e65e941bb8868ee54dc, c61a404325093250b676f40ad8f4dd00f3bcab5f ≤ v < 9b92e2d0eb696d7586ba832c8854653b59887da0, c61a404325093250b676f40ad8f4dd00f3bcab5f ≤ v < 91dd8aab9c9f193210681b86b6b92840ffe74f0c, c61a404325093250b676f40ad8f4dd00f3bcab5f ≤ v < ae68c0f7edbc9a294094ce03a0aaf45aa489ce40, c61a404325093250b676f40ad8f4dd00f3bcab5f ≤ v < 878ecb0897f4737a4c9401f3523fd49589025671, 2.6.19 | 59e656d0d4a84ea0ee9a39c6f69160a3effccc94, 04bf69e3de435d793a203aacc4b774f8f9f2baeb, 011f47c8b8389154f996f5f69da8efc3a3beefef, e5f82688ae10f5f386952e65e941bb8868ee54dc, 9b92e2d0eb696d7586ba832c8854653b59887da0, 91dd8aab9c9f193210681b86b6b92840ffe74f0c, ae68c0f7edbc9a294094ce03a0aaf45aa489ce40, 878ecb0897f4737a4c9401f3523fd49589025671 |
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