{"id":"CVE-2026-68427","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-68427","summary":"gpu: host1x: Fix use-after-free in host1x_bo_clear_cached_mappings","details":"In the Linux kernel, the following vulnerability has been resolved:\n\ngpu: host1x: Fix use-after-free in host1x_bo_clear_cached_mappings\n\n__host1x_bo_unpin() drops the last reference to the mapping and frees\nit, so we can't dereference mapping afterwards. The cache itself\noutlives the mapping, so use the cache local variable instead.","published":"2026-08-10T12:04:47.915Z","modified":"2026-08-14T04:03:38.977946806Z","cvss":{"score":7.8,"severity":"HIGH","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":null,"affectedPackages":[{"ecosystem":"Linux","name":"Kernel","fixedVersion":"6.6.148"}],"fix":null,"references":[{"type":"WEB","url":"https://git.kernel.org/stable/c/266cddf7bd0f6c79b6c0633aef742a22bf70265b"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5b7e5f84d3d4cea10c3764d2da274810a7934228"},{"type":"WEB","url":"https://git.kernel.org/stable/c/5f4de3c717d34a24d555af581947742980778c02"},{"type":"WEB","url":"https://git.kernel.org/stable/c/abeff53233b984571b87582bb588b4b38ef4ea50"},{"type":"WEB","url":"https://git.kernel.org/stable/c/b773faa32b0a98c3eb2b50d96de631681e5d1157"},{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/68xxx/CVE-2026-68427.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-68427"},{"type":"PACKAGE","url":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-14T04:03:38.977946806Z"}}