{"affected":[],"cveId":"CVE-2026-64559","cwes":["CWE-125"],"description":"In the Linux kernel, the following vulnerability has been resolved:\n\ns390/pkey: Check length in PKEY_VERIFYPROTK ioctl\n\nExplicitly check the buffer length request structure provided by\nuser-space and fail, if it exceeds the buffer size.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.8,"severity":"high","source":"NVD: 416baaa9-dc9f-4396-8d5f-8c081fb06d67","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","version":"3.1"}],"modifiedAt":1793729739353,"publishedAt":1785345413523,"references":[{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/0a9e34ccbe772b8f321388cdbdf4f22b94e513e7"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/693bf91d4db134f9b1c2840c8e287eee3d993bac"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/7e7e03848c918aa0acad5ffd75d929e3afec1554"},{"source":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"url":"https://git.kernel.org/stable/c/b3d4ab2d7df9426f7f1d3671d7e2108f2ca6e970"}],"remediation":[],"revision":"4f4365edc8c1a50b72f735852cab70dcd7b6dfe86b44590f79d6a31fc37c55ad","sources":[{"modifiedAt":1793729739353,"name":"NVD","retrievedAt":1793729786130,"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-64559"}],"ssvc":{"assessedAt":1792165363749,"automatable":"no","exploitation":"none","source":"NVD SSVC: 134c704f-9b21-4f2e-91b3-4a467353bcc0","technicalImpact":"total"},"status":"published","title":"CVE-2026-64559","updatedAt":1793729786130}