Описание
An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
A flaw was found in the Linux kernel. A use-after-free memory flaw in the Fast Userspace Mutexes functionality allowing a local user to crash the system or escalate their privileges on the system. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 9 | kernel | Not affected | ||
| Red Hat Enterprise Linux 6 Extended Lifecycle Support | kernel | Fixed | RHSA-2021:2735 | 20.07.2021 |
| Red Hat Enterprise Linux 7 | kernel-rt | Fixed | RHSA-2021:2316 | 08.06.2021 |
| Red Hat Enterprise Linux 7 | kernel-alt | Fixed | RHSA-2021:1379 | 27.04.2021 |
| Red Hat Enterprise Linux 7 | kpatch-patch | Fixed | RHSA-2021:2285 | 08.06.2021 |
| Red Hat Enterprise Linux 7 | kernel | Fixed | RHSA-2021:2314 | 08.06.2021 |
| Red Hat Enterprise Linux 7.2 Advanced Update Support | kernel | Fixed | RHSA-2021:3399 | 31.08.2021 |
| Red Hat Enterprise Linux 7.3 Advanced Update Support | kernel | Fixed | RHSA-2021:2733 | 20.07.2021 |
| Red Hat Enterprise Linux 7.4 Advanced Update Support | kernel | Fixed | RHSA-2021:2732 | 20.07.2021 |
| Red Hat Enterprise Linux 7.4 Telco Extended Update Support | kernel | Fixed | RHSA-2021:2732 | 20.07.2021 |
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Дополнительная информация
Статус:
EPSS
7 High
CVSS3
Связанные уязвимости
An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
An issue was discovered in the Linux kernel through 5.10.11. PI futexe ...
An issue was discovered in the Linux kernel through 5.10.11. PI futexes have a kernel stack use-after-free during fault handling, allowing local users to execute code in the kernel, aka CID-34b1a1ce1458.
EPSS
7 High
CVSS3