kernel security, bug fix, and enhancement update

6.12.0-211.37.1 - Add new Oracle Linux Driver Signing key 1 certificate Orabug: 37985782 - Disable UKI signing Orabug: 36571828 - 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...

PT-2026-63375

Name of the Vulnerable Software and Affected Versions NLnet Labs Unbound versions prior to 1.25.2 Description Applications using libunbound configured with the unwanted-reply-threshold parameter may be abruptly terminated. This occurs when the threshold is reached and libunbound attempts to call...

CVE-2026-10677

The CONFIGUSERSPACE syscall verifier zvrfykpoll in kernel/poll.c allocates a kernel-side copy of the user-supplied kpollevent via zthreadmalloc and then validates each event's object handle. Before this fix, validation used KOOPSKSYSCALLOBJ... inline inside the loop, which kills the calling threa...

GHSA-66M4-5JJR-2RG5 Gitea: Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content

Affected product Gitea — services/repository/collaboration.go DeleteCollaboration + webhook delivery Summary When a collaborator with admin permission on a private repo creates a webhook, that webhook keeps firing after the collaborator's access is revoked. Gitea's revocation cleanup...

Gitea: Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content

Affected product Gitea — services/repository/collaboration.go DeleteCollaboration + webhook delivery Summary When a collaborator with admin permission on a private repo creates a webhook, that webhook keeps firing after the collaborator's access is revoked. Gitea's revocation cleanup...

CVE-2026-63930

A flaw was found in the Linux kernel's Industrial I/O IIO hardware consumer buffer component. This use-after-free vulnerability occurs in the errputbuffers cleanup path of iiohwconsumeralloc. During buffer cleanup, the code incorrectly uses listforeachentry to iterate through buffers while...

SUSE CVE-2026-53379

In the Linux kernel, the following vulnerability has been resolved: media: i2c: ov8856: free control handler on error in ov8856initcontrols The control handler wasn't freed if adding controls failed, add an error exit label and convert the existing error return to use it...

SUSE CVE-2026-63930

In the Linux kernel, the following vulnerability has been resolved: iio: buffer: hw-consumer: fix use-after-free in error path In the errputbuffers cleanup path of iiohwconsumeralloc, the code was using listforeachentry to iterate through buffers while calling iiobufferput which can free the...

SUSE CVE-2026-64016

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix durable reconnect error path file lifetime After a durable reconnect succeeds, ksmbdreopendurablefd republishes the same ksmbdfile into the session volatile-id table. If smb2open then takes a later error path, cleanup...

SUSE CVE-2026-64021

In the Linux kernel, the following vulnerability has been resolved: drm/xe/oa: Fix execqueue leak on width check in stream open In xeoastreamopenioctl, when param.execq-width 1 the function returns -EOPNOTSUPP directly, skipping the existing errexecq cleanup path. The execqueue reference obtained...

SUSE CVE-2026-64033

In the Linux kernel, the following vulnerability has been resolved: RDMA/rtrs: Fix use-after-free in path file creation cleanup In the error path of rtrssrvcreatepathfiles, the sysfs root folders may already have been created and srvpath-kobj may already have been initialized. If a later step...

SUSE CVE-2026-64054

In the Linux kernel, the following vulnerability has been resolved: net: shaper: reject duplicate leaves in GROUP request netshapernlgroupdoit does not deduplicate NETSHAPERALEAVES entries. When userspace supplies the same leaf handle twice, the same old-parent pointer lands twice in oldnodes. Th...

SUSE CVE-2026-64205

In the Linux kernel, the following vulnerability has been resolved: i2c: i801: fix hardware state machine corruption in error path A severe livelock and subsequent Hung Task panic were observed in the i2c-i801 driver during concurrent Fuzzing. The crash is caused by an unconditional hardware...

EUVD-2026-46178

A flaw was found in libssh. When ProxyCommand is used, an unchecked fork failure can be stored as process ID -1; during cleanup, signals may then be sent across the caller's accessible process tree, leading to local denial of service...

CVE-2026-59845

CVE-2026-59845 describes a vulnerability in the libssh library where, when using the ProxyCommand feature, an unchecked fork() failure can be stored as PID -1. During cleanup, signals may be sent across the caller’s process tree, enabling local denial of service. The Red Hat advisory confirms thi...

CVE-2026-64093

A flaw was found in the batman-adv component of the Linux kernel. A race condition exists where a timer can be re-armed after its associated reference has been removed during cleanup. This can occur when batadvtpsendercleanup attempts to shut down a timer, but a separate execution context re-arms...

Gitea: Webhooks created by a collaborator keep firing after their repo access is revoked → ongoing real-time exfiltration of private repo content

When a collaborator with admin permission on a private repo creates a webhook, that webhook keeps firing after the collaborator's access is revoked. Gitea's revocation cleanup DeleteCollaboration removes the collaboration record, recalculates accesses, drops watches, and unassigns issues — but it...

PT-2026-63306

Name of the Vulnerable Software and Affected Versions Gitea version 1.25.4 Description A flaw exists where webhooks created by a collaborator with admin permissions on a private repository continue to trigger after the collaborator's access has been revoked. The DeleteCollaboration function in...

PT-2026-62124

The CONFIG USERSPACE syscall verifier z vrfy k poll in kernel/poll.c allocates a kernel-side copy of the user-supplied k poll event via z thread malloc and then validates each event's object handle. Before this fix, validation used K OOPSK SYSCALL OBJ... inline inside the loop, which kills the...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2730)

According to the versions of the packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : Input: alps - fix use-after-free bugs caused by dev3registerworkCVE-2025-68822 ext4: reject mount if bigalloc with sfirstdatablock !=...