Answer in brief
CVE-2026-43493 records a Critical severity (CVSS 9.8) vulnerability in crypto: pcrypt - Fix handling of MAY_BACKLOG requests. 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-2026-43493 records a Critical severity (CVSS 9.8) vulnerability in crypto: pcrypt - Fix handling of MAY_BACKLOG requests. 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 9.8. 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.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <ae7e95638d956d556d74b9abb9e780d3bd3dcd9e || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <1d7f07df450bac3301938fbc4251f2611be4084e || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <76641449b28979ebd6c02e9598367e119e385236 || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <9f1cbca178c03188e201ed175251372149bb25f2 || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <eb34e243df57e32f4c08fa191f3602ea19076276 || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <77d55bc8675ee851ed639dc9be77325a8024cf67 || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <915b692e6cb723aac658c25eb82c58fd81235110 | ae7e95638d956d556d74b9abb9e780d3bd3dcd9e, 1d7f07df450bac3301938fbc4251f2611be4084e, 76641449b28979ebd6c02e9598367e119e385236, 9f1cbca178c03188e201ed175251372149bb25f2, eb34e243df57e32f4c08fa191f3602ea19076276, 77d55bc8675ee851ed639dc9be77325a8024cf67, 46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a, 915b692e6cb723aac658c25eb82c58fd81235110 |
| Linux/Linuxgeneric | 2.6.34 | Not reported |
Published upstream
May 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 26, 2026
In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Fix handling of MAY_BACKLOG requests MAY_BACKLOG requests can return EBUSY. Handle them by checking for that value and filtering out EINPROGRESS notifications.
Quoted source text, attributed separately from HOL analysis.
CVSS is 9.8. 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.
| Package | Affected range | Fixed version |
|---|---|---|
| Linux/Linuxgeneric | >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <ae7e95638d956d556d74b9abb9e780d3bd3dcd9e || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <1d7f07df450bac3301938fbc4251f2611be4084e || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <76641449b28979ebd6c02e9598367e119e385236 || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <9f1cbca178c03188e201ed175251372149bb25f2 || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <eb34e243df57e32f4c08fa191f3602ea19076276 || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <77d55bc8675ee851ed639dc9be77325a8024cf67 || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a || >=5a1436beec5744029f3ac90b6fe71a698dcd6155 <915b692e6cb723aac658c25eb82c58fd81235110 | ae7e95638d956d556d74b9abb9e780d3bd3dcd9e, 1d7f07df450bac3301938fbc4251f2611be4084e, 76641449b28979ebd6c02e9598367e119e385236, 9f1cbca178c03188e201ed175251372149bb25f2, eb34e243df57e32f4c08fa191f3602ea19076276, 77d55bc8675ee851ed639dc9be77325a8024cf67, 46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a, 915b692e6cb723aac658c25eb82c58fd81235110 |
| Linux/Linuxgeneric | 2.6.34 | Not reported |
Published upstream
May 19, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 5, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Jun 26, 2026
In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Fix handling of MAY_BACKLOG requests MAY_BACKLOG requests can return EBUSY. Handle them by checking for that value and filtering out EINPROGRESS notifications.
Quoted source text, attributed separately from HOL analysis.