CVE-2026-74566

In the Linux kernel, the following vulnerability has been resolved: keys: make keyring key-chunk byte order agree with keyringdiffobjects keyringgetkeychunk loads description bytes into the index chunk low address first, while keyringdiffobjects numbers the first differing bit from the low end an...

Oracle Linux 10 : kernel (ELSA-2026-16062)

The remote Oracle Linux 10 host has packages installed that are affected by a vulnerability as referenced in the ELSA-2026-16062 advisory. 6.12.0-124.56.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - Update Oracle Linux...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-003214)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-003214 advisory. The KEYS subsystem in the Linux kernel before 3.18 allows local users to gain privileges or cause a denial of service NULL pointer dereference and system crash via...

kernel security update

4.18.0-553.83.1 - Update Oracle Linux certificates Kevin Lyons - Disable signing for aarch64 Ilya Okomin - Oracle Linux RHCK Module Signing Key was added to the kernel trusted keys list olkmodsigningkey.pem Orabug: 29539237 - Update x509.genkey Orabug: 24817676 - Conflict with shim-ia32 and...

Unity Linux 20.1070a Security Update: kernel (UTSA-2025-989372)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-989372 advisory. In the Linux kernel, the following vulnerability has been resolved: KEYS: trusted: Fix TPM reservation for seal/unseal The original patch 8c657a0590de KEYS: trusted:...

kernel: security/keys: fix slab-out-of-bounds in key_task_permission

In the Linux kernel, the following vulnerability has been resolved: security/keys: fix slab-out-of-bounds in keytaskpermission KASAN reports an out of bounds read: BUG: KASAN: slab-out-of-bounds in kuidval include/linux/uidgid.h:36 BUG: KASAN: slab-out-of-bounds in uideq include/linux/uidgid.h:63...

UBUNTU-CVE-2015-8539

The KEYS subsystem in the Linux kernel before 4.4 allows local users to gain privileges or cause a denial of service BUG via crafted keyctl commands that negatively instantiate a key, related to security/keys/encrypted-keys/encrypted.c, security/keys/trusted.c, and security/keys/userdefined.c...

kernel: Keyrings crash triggerable by unprivileged user

It was found that the Linux kernel's keys subsystem did not correctly garbage collect uninstantiated keyrings. A local attacker could use this flaw to crash the system or, potentially, escalate their privileges on the system...

kernel: use-after-free during key garbage collection

A race condition flaw was found in the way the Linux kernel keys management subsystem performed key garbage collection. A local attacker could attempt accessing a key while it was being garbage collected, which would cause the system to crash...