Critical severity9.8NVD Advisory· Published May 19, 2026· Updated Jun 26, 2026
CVE-2026-43493
CVE-2026-43493
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
17- osv-coords15 versionspkg:linux/kernelpkg:rpm/opensuse/dtb-aarch64&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-64kb&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-azure&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-default-base&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-docs&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-kvmsmall&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-build&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-obs-qa&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-rt&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-source&distro=openSUSE%20Tumbleweedpkg:rpm/opensuse/kernel-syms&distro=openSUSE%20Leap%2016.0pkg:rpm/opensuse/kernel-zfcpdump&distro=openSUSE%20Leap%2016.0
>= 2.6.34, < 5.10.258+ 14 more
- (no CPE)range: >= 2.6.34, < 5.10.258
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1.160000.2.19
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 7.0.10-1.1
- (no CPE)range: < 6.12.0-160000.37.1
- (no CPE)range: < 6.12.0-160000.37.1
Patches
Vulnerability mechanics
References
8- git.kernel.org/stable/c/1d7f07df450bac3301938fbc4251f2611be4084envdPatch
- git.kernel.org/stable/c/46271895ddfb1ba41f89f7e0dffbe9c2bcf7380anvdPatch
- git.kernel.org/stable/c/76641449b28979ebd6c02e9598367e119e385236nvdPatch
- git.kernel.org/stable/c/77d55bc8675ee851ed639dc9be77325a8024cf67nvdPatch
- git.kernel.org/stable/c/915b692e6cb723aac658c25eb82c58fd81235110nvdPatch
- git.kernel.org/stable/c/9f1cbca178c03188e201ed175251372149bb25f2nvdPatch
- git.kernel.org/stable/c/ae7e95638d956d556d74b9abb9e780d3bd3dcd9envdPatch
- git.kernel.org/stable/c/eb34e243df57e32f4c08fa191f3602ea19076276nvdPatch
News mentions
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