Описание
In the Linux kernel, the following vulnerability has been resolved:
KEYS: trusted: Fix memory leak in tpm2_key_encode()
'scratch' is never freed. Fix this by calling kfree() in the success, and
in the error case.
in linux kernel, tpm2_key_encode() has a memory leak due to 'scratch' never being freed. This can lead to denial of service.
Отчет
This vulnerability is rated as Moderate impact because exploiting the issue requires local access to trusted key operations on systems configured with TPM 2.0, restricting the blast radius to a denial of service via kernel memory exhaustion without impacting system confidentiality or data integrity. Environments lacking TPM 2.0 capabilities are not exposed, as the affected routines are only executed during TPM-backed trusted key generation and serialization. In standard Red Hat Enterprise Linux deployments, continuous invocation of these key operations is uncommon and typically limited to specialized cryptographic workflows.
Затронутые пакеты
| Платформа | Пакет | Состояние | Рекомендация | Релиз |
|---|---|---|---|---|
| Red Hat Enterprise Linux 6 | kernel | Not affected | ||
| Red Hat Enterprise Linux 7 | kernel | Not affected | ||
| Red Hat Enterprise Linux 7 | kernel-rt | Not affected | ||
| Red Hat Enterprise Linux 8 | kernel | Not affected | ||
| Red Hat Enterprise Linux 8 | kernel-rt | Not affected | ||
| Red Hat Enterprise Linux 9 | kernel-rt | Affected | ||
| Red Hat Enterprise Linux 9 | kernel | Fixed | RHSA-2024:9315 | 12.11.2024 |
| Red Hat Enterprise Linux 9 | kernel | Fixed | RHSA-2024:9315 | 12.11.2024 |
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Дополнительная информация
Статус:
5.5 Medium
CVSS3
Связанные уязвимости
In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix memory leak in tpm2_key_encode() 'scratch' is never freed. Fix this by calling kfree() in the success, and in the error case.
In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix memory leak in tpm2_key_encode() 'scratch' is never freed. Fix this by calling kfree() in the success, and in the error case.
In the Linux kernel, the following vulnerability has been resolved: K ...
In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix memory leak in tpm2_key_encode() 'scratch' is never freed. Fix this by calling kfree() in the success, and in the error case.
5.5 Medium
CVSS3