CVE-2026-43493
crypto: pcrypt - Fix handling of MAY_BACKLOG requests
CVSS Score
9.8
EPSS Score
0.0%
EPSS Percentile
7th
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.
| Vendor | linux |
| Product | linux |
| Ecosystems | |
| Industries | Technology |
| Published | May 19, 2026 |
| Last Updated | May 20, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
Linux / Linux
5a1436beec5744029f3ac90b6fe71a698dcd6155 < 9f1cbca178c03188e201ed175251372149bb25f2 5a1436beec5744029f3ac90b6fe71a698dcd6155 < eb34e243df57e32f4c08fa191f3602ea19076276 5a1436beec5744029f3ac90b6fe71a698dcd6155 < 77d55bc8675ee851ed639dc9be77325a8024cf67 5a1436beec5744029f3ac90b6fe71a698dcd6155 < 46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a 5a1436beec5744029f3ac90b6fe71a698dcd6155 < 915b692e6cb723aac658c25eb82c58fd81235110
Linux / Linux
2.6.34
References
git.kernel.org: https://git.kernel.org/stable/c/9f1cbca178c03188e201ed175251372149bb25f2 git.kernel.org: https://git.kernel.org/stable/c/eb34e243df57e32f4c08fa191f3602ea19076276 git.kernel.org: https://git.kernel.org/stable/c/77d55bc8675ee851ed639dc9be77325a8024cf67 git.kernel.org: https://git.kernel.org/stable/c/46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a git.kernel.org: https://git.kernel.org/stable/c/915b692e6cb723aac658c25eb82c58fd81235110