CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се локално, без особени условия, с обикновен потребителски вход и без действие от потребителя.
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu: avoid double drm_exec_fini() in userq validate When new_addition is true, amdgpu_userq_vm_validate() calls drm_exec_fini(&exec) before iterating over the collected HMM ranges and calling amdgpu_ttm_tt_get_user_pages(). If amdgpu_ttm_tt_get_user_pages() fails in that path, the code jumps to unlock_all and calls drm_exec_fini(&exec) a second time on the same exec object. drm_exec_fini() is not idempotent: it frees exec->objects and may also drop exec->contended and finalize the ww acquire context. Route that error path directly to the range cleanup once exec has already been finalized. Issue found using a prototype static analysis tool and confirmed by code review. (cherry picked from commit 2802952e4a07306da6ebe813ff1acacc5691851a)
Засегнати продукти
- Linux Linux: 42f148788469792df207751e2339ef2bb8a1e33e преди c7c3ae7c01e5a0742b93cb9b40800bdd7f811e38; 42f148788469792df207751e2339ef2bb8a1e33e преди 508babf310365f1107a2e8831c267c292a286818
- Linux Linux: 6.19; преди 6.19; 7.0.10 до 7.0.*; от 7.1 нататък
Red Hat: още 5 продукта, добавени от Red Hat
Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9
Вид слабост
История
- 24 юни 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-52987
- https://nvd.nist.gov/vuln/detail/CVE-2026-52987
- https://git.kernel.org/stable/c/c7c3ae7c01e5a0742b93cb9b40800bdd7f811e38
- https://git.kernel.org/stable/c/508babf310365f1107a2e8831c267c292a286818
- https://access.redhat.com/security/cve/CVE-2026-52987
- https://bugzilla.redhat.com/show_bug.cgi?id=2492365
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-52987.json