CVE-2026-89635: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ksmbd: only rebind the reopened file's own oplock on durable reconnect ksmbdreopendurablefd walks the inode's moplist and rebinds every detached oplock to the reconnecting session: listforeachentryrcuop, &ci-moplist, opentry,...

PT-2026-96558

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2 oplock break noti reads opinfo-conn without any lock and dereferences it after two allocations which may sleep. When the durable handle owning the oplock is disconnected...

CVE-2026-80926: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in oplock break notification smb2oplockbreaknoti reads opinfo-conn without any lock and dereferences it after two allocations which may sleep. When the durable handle owning the oplock is disconnected,...

PT-2026-90056

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A use-after-free issue exists in the ksmbd component during oplock break notification. The function smb2 oplock break noti reads the opinfo-conn variable without a lock and dereferences ...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-107281)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-107281 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2isvalidoplockbreak Skip sessions that are being teared down...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098747)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098747 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free in cifsoplockbreak A race condition can occur in cifsoplockbreak...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098694)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098694 advisory. In the Linux kernel, the following vulnerability has been resolved: smb: client: fix potential UAF in smb2isvalidoplockbreak Skip sessions that are being teared down...

Astra Linux – Vulnerability in Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: cifs: fixed potential OOPs in cifsoplockbreak With deferred close, there may be situations where closes cause races with lease breaks. Additionally, when checking whether to send the lease response, oplockresponse can lead to ...

Linux Distros Unpatched Vulnerability : CVE-2026-72492

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer...

CVE-2026-72492

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

CVE-2026-72492

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

UBUNTU-CVE-2026-72492

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

CVE-2026-72492

The CVE-2026-72492 issue concerns ksmbd (Linux kernel) where same_client_has_lease() returns an opinfo pointer from ci->m_op_list after dropping ci->m_lock without holding a reference. smb_grant_oplock() later dereferences this pointer in copy_lease() and while checking breaking_cnt, riskin...

CVE-2026-72492 ksmbd: fix use-after-free in same_client_has_lease()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

EUVD-2026-59391

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

CVE-2026-72492 ksmbd: fix use-after-free in same_client_has_lease()

In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix use-after-free in sameclienthaslease sameclienthaslease returns an opinfo pointer from ci-moplist after dropping ci-mlock without taking a reference. smbgrantoplock then dereferences that pointer in copylease and when...

SUSE CVE-2026-68381

In the Linux kernel, the following vulnerability has been resolved: ksmbd: pin conn during async oplock break notification smb2oplockbreaknoti and smb2leasebreaknoti store a ksmbdconn pointer in an async ksmbdwork and then queue that work on ksmbd-io. The work only increments conn-rcount, which...

ksmbd: pin conn during async oplock break notification

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Linux Distros Unpatched Vulnerability : CVE-2026-68381

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: ksmbd: pin conn during async oplock break notification smb2oplockbreaknoti and...

CVE-2026-68381

In the Linux kernel, the following vulnerability has been resolved: ksmbd: pin conn during async oplock break notification smb2oplockbreaknoti and smb2leasebreaknoti store a ksmbdconn pointer in an async ksmbdwork and then queue that work on ksmbd-io. The work only increments conn-rcount, which...