Answer in brief
CVE-2023-53705 records a High severity (CVSS 8.2) vulnerability in ipv6: Fix out-of-bounds access in ipv6_find_tlv(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
Answer in brief
CVE-2023-53705 records a High severity (CVSS 8.2) vulnerability in ipv6: Fix out-of-bounds access in ipv6_find_tlv(). The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 8.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c61a404325093250b676f40ad8f4dd00f3bcab5f <59e656d0d4a84ea0ee9a39c6f69160a3effccc94 || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <04bf69e3de435d793a203aacc4b774f8f9f2baeb || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <011f47c8b8389154f996f5f69da8efc3a3beefef || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <e5f82688ae10f5f386952e65e941bb8868ee54dc || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <9b92e2d0eb696d7586ba832c8854653b59887da0 || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <91dd8aab9c9f193210681b86b6b92840ffe74f0c || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <ae68c0f7edbc9a294094ce03a0aaf45aa489ce40 || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <878ecb0897f4737a4c9401f3523fd49589025671 | 59e656d0d4a84ea0ee9a39c6f69160a3effccc94, 04bf69e3de435d793a203aacc4b774f8f9f2baeb, 011f47c8b8389154f996f5f69da8efc3a3beefef, e5f82688ae10f5f386952e65e941bb8868ee54dc, 9b92e2d0eb696d7586ba832c8854653b59887da0, 91dd8aab9c9f193210681b86b6b92840ffe74f0c, ae68c0f7edbc9a294094ce03a0aaf45aa489ce40, 878ecb0897f4737a4c9401f3523fd49589025671 |
| Linux/Linuxgeneric | 2.6.19 | Not reported |
Published upstream
Oct 22, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.
CVSS is 8.2. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.
Analysis status
Analysis pending evidence review
Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.
The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=c61a404325093250b676f40ad8f4dd00f3bcab5f <59e656d0d4a84ea0ee9a39c6f69160a3effccc94 || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <04bf69e3de435d793a203aacc4b774f8f9f2baeb || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <011f47c8b8389154f996f5f69da8efc3a3beefef || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <e5f82688ae10f5f386952e65e941bb8868ee54dc || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <9b92e2d0eb696d7586ba832c8854653b59887da0 || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <91dd8aab9c9f193210681b86b6b92840ffe74f0c || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <ae68c0f7edbc9a294094ce03a0aaf45aa489ce40 || >=c61a404325093250b676f40ad8f4dd00f3bcab5f <878ecb0897f4737a4c9401f3523fd49589025671 | 59e656d0d4a84ea0ee9a39c6f69160a3effccc94, 04bf69e3de435d793a203aacc4b774f8f9f2baeb, 011f47c8b8389154f996f5f69da8efc3a3beefef, e5f82688ae10f5f386952e65e941bb8868ee54dc, 9b92e2d0eb696d7586ba832c8854653b59887da0, 91dd8aab9c9f193210681b86b6b92840ffe74f0c, ae68c0f7edbc9a294094ce03a0aaf45aa489ce40, 878ecb0897f4737a4c9401f3523fd49589025671 |
| Linux/Linuxgeneric | 2.6.19 | Not reported |
Published upstream
Oct 22, 2025
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 4, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 4, 2026
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.
Quoted source text, attributed separately from HOL analysis.