Няма оценка
CVSS
Няма данни
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Няма потвърждение
Атакува се
Няма данни
Време до експлоатация
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: KVM: s390: Zero initialize data structures for inject_pfault_token __kvm_inject_pfault_token() only sets .type and .u.ext.ext_params2 of the on-stack struct kvm_s390_irq but the full ext substructure is copied into the cpu local variable on inject. ext_params and pad contain stale stack values. Interrupt delivery only uses ext_params2, so nothing leaks to the guest, but a host user can use the migration ioctls to get to the data. Fix by zero-initializing the irq struct. Do the same for the inti data structure.
Засегнати продукти
- Linux Linux: 383d0b050106abecb82f43101cac94fa423af5cd преди 3da26db3323cbccf509005fdbc4ebae842d323cd; 383d0b050106abecb82f43101cac94fa423af5cd преди 5b0ae4443383fbacd905522f0c95ad6c85a3b43e; 383d0b050106abecb82f43101cac94fa423af5cd преди 7090818ba774d254eba80979c2d4da23d91de02f; 383d0b050106abecb82f43101cac94fa423af5cd преди ab1a8a3c9971200938093370da4c67d4427c25f2; 383d0b050106abecb82f43101cac94fa423af5cd преди b8abc760fa18a389319d977834a30550b3ec18e8; 383d0b050106abecb82f43101cac94fa423af5cd преди 9b046de62b8098af6e2ba820b125ec9dc5f162c8; 383d0b050106abecb82f43101cac94fa423af5cd преди 134f235e0e8de54611a72d3cc3f63e5f31246baa; 383d0b050106abecb82f43101cac94fa423af5cd преди 4e2c7f7cbc27418f9a290399b986c1b85ff93b90
- Linux Linux: 3.19; преди 3.19; 5.10.273 до 5.10.*; 5.15.224 до 5.15.*; 6.1.191 до 6.1.*; 6.6.160 до 6.6.*; 6.12.112 до 6.12.*; 6.18.52 до 6.18.*; 7.2.5 до 7.2.*; от 7.3 нататък
История
- 16 септември 2026 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2026-89921
- https://nvd.nist.gov/vuln/detail/CVE-2026-89921
- https://git.kernel.org/stable/c/3da26db3323cbccf509005fdbc4ebae842d323cd
- https://git.kernel.org/stable/c/5b0ae4443383fbacd905522f0c95ad6c85a3b43e
- https://git.kernel.org/stable/c/7090818ba774d254eba80979c2d4da23d91de02f
- https://git.kernel.org/stable/c/ab1a8a3c9971200938093370da4c67d4427c25f2
- https://git.kernel.org/stable/c/b8abc760fa18a389319d977834a30550b3ec18e8
- https://git.kernel.org/stable/c/9b046de62b8098af6e2ba820b125ec9dc5f162c8
- https://git.kernel.org/stable/c/134f235e0e8de54611a72d3cc3f63e5f31246baa
- https://git.kernel.org/stable/c/4e2c7f7cbc27418f9a290399b986c1b85ff93b90