{"id":"CVE-2026-43493","summary":"crypto: pcrypt - Fix handling of MAY_BACKLOG requests","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: pcrypt - Fix handling of MAY_BACKLOG requests\n\nMAY_BACKLOG requests can return EBUSY.  Handle them by checking\nfor that value and filtering out EINPROGRESS notifications.","modified":"2026-06-28T03:54:48.958164884Z","published":"2026-05-19T10:44:25.402Z","related":["openSUSE-SU-2026:10859-1"],"database_specific":{"cna_assigner":"Linux","osv_generated_from":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43493.json"},"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/1d7f07df450bac3301938fbc4251f2611be4084e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a"},{"type":"WEB","url":"https://git.kernel.org/stable/c/76641449b28979ebd6c02e9598367e119e385236"},{"type":"WEB","url":"https://git.kernel.org/stable/c/77d55bc8675ee851ed639dc9be77325a8024cf67"},{"type":"WEB","url":"https://git.kernel.org/stable/c/915b692e6cb723aac658c25eb82c58fd81235110"},{"type":"WEB","url":"https://git.kernel.org/stable/c/9f1cbca178c03188e201ed175251372149bb25f2"},{"type":"WEB","url":"https://git.kernel.org/stable/c/ae7e95638d956d556d74b9abb9e780d3bd3dcd9e"},{"type":"WEB","url":"https://git.kernel.org/stable/c/eb34e243df57e32f4c08fa191f3602ea19076276"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/43xxx/CVE-2026-43493.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43493"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","events":[{"introduced":"5a1436beec5744029f3ac90b6fe71a698dcd6155"},{"fixed":"ae7e95638d956d556d74b9abb9e780d3bd3dcd9e"},{"fixed":"1d7f07df450bac3301938fbc4251f2611be4084e"},{"fixed":"76641449b28979ebd6c02e9598367e119e385236"},{"fixed":"9f1cbca178c03188e201ed175251372149bb25f2"},{"fixed":"eb34e243df57e32f4c08fa191f3602ea19076276"},{"fixed":"77d55bc8675ee851ed639dc9be77325a8024cf67"},{"fixed":"46271895ddfb1ba41f89f7e0dffbe9c2bcf7380a"},{"fixed":"915b692e6cb723aac658c25eb82c58fd81235110"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43493.json"}},{"package":{"name":"Kernel","ecosystem":"Linux"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.34"},{"fixed":"5.10.258"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.11.0"},{"fixed":"5.15.209"}]},{"type":"ECOSYSTEM","events":[{"introduced":"5.16.0"},{"fixed":"6.1.175"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.2.0"},{"fixed":"6.6.140"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.7.0"},{"fixed":"6.12.86"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.13.0"},{"fixed":"6.18.27"}]},{"type":"ECOSYSTEM","events":[{"introduced":"6.19.0"},{"fixed":"7.0.4"}]}],"database_specific":{"source":"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-43493.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}