Answer in brief
CVE-2023-52846 records a High severity (CVSS 8.8) vulnerability in hsr: Prevent use after free in prp_create_tagged_frame(). 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 8.8. 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.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=451d8123f89791bb628277c0bdb4cae34a3563e6 <ddf4e04e946aaa6c458b8b6829617cc44af2bffd || >=451d8123f89791bb628277c0bdb4cae34a3563e6 <a1a485e45d24b1cd8fe834fd6f1b06e2903827da || >=451d8123f89791bb628277c0bdb4cae34a3563e6 <6086258bd5ea7b5c706ff62da42b8e271b2401db || >=451d8123f89791bb628277c0bdb4cae34a3563e6 <1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18 || >=451d8123f89791bb628277c0bdb4cae34a3563e6 <d103fb6726904e353b4773188ee3d3acb4078363 || >=451d8123f89791bb628277c0bdb4cae34a3563e6 <876f8ab52363f649bcc74072157dfd7adfbabc0d | ddf4e04e946aaa6c458b8b6829617cc44af2bffd, a1a485e45d24b1cd8fe834fd6f1b06e2903827da, 6086258bd5ea7b5c706ff62da42b8e271b2401db, 1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18, d103fb6726904e353b4773188ee3d3acb4078363, 876f8ab52363f649bcc74072157dfd7adfbabc0d |
| Linux/Linuxgeneric | 5.9 | Not reported |
Published upstream
May 21, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 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: hsr: Prevent use after free in prp_create_tagged_frame() The prp_fill_rct() function can fail. In that situation, it frees the skb and returns NULL. Meanwhile on the success path, it returns the original skb. So it's straight forward to fix bug by using the returned value.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2023-52846 records a High severity (CVSS 8.8) vulnerability in hsr: Prevent use after free in prp_create_tagged_frame(). 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 8.8. 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.
| Product | Affected versions | Fixed versions |
|---|---|---|
| cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:* | Not reported | Not reported |
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=451d8123f89791bb628277c0bdb4cae34a3563e6 <ddf4e04e946aaa6c458b8b6829617cc44af2bffd || >=451d8123f89791bb628277c0bdb4cae34a3563e6 <a1a485e45d24b1cd8fe834fd6f1b06e2903827da || >=451d8123f89791bb628277c0bdb4cae34a3563e6 <6086258bd5ea7b5c706ff62da42b8e271b2401db || >=451d8123f89791bb628277c0bdb4cae34a3563e6 <1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18 || >=451d8123f89791bb628277c0bdb4cae34a3563e6 <d103fb6726904e353b4773188ee3d3acb4078363 || >=451d8123f89791bb628277c0bdb4cae34a3563e6 <876f8ab52363f649bcc74072157dfd7adfbabc0d | ddf4e04e946aaa6c458b8b6829617cc44af2bffd, a1a485e45d24b1cd8fe834fd6f1b06e2903827da, 6086258bd5ea7b5c706ff62da42b8e271b2401db, 1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18, d103fb6726904e353b4773188ee3d3acb4078363, 876f8ab52363f649bcc74072157dfd7adfbabc0d |
| Linux/Linuxgeneric | 5.9 | Not reported |
Published upstream
May 21, 2024
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 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: hsr: Prevent use after free in prp_create_tagged_frame() The prp_fill_rct() function can fail. In that situation, it frees the skb and returns NULL. Meanwhile on the success path, it returns the original skb. So it's straight forward to fix bug by using the returned value.
Quoted source text, attributed separately from HOL analysis.