Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: PCI: Fixed a reference leak in pciregisterhostbridge. If deviceregister fails, call putdevice to release the reference, thereby avoiding a memory leak, according to the comment in deviceregister. Found during code review. bhelgaa...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005071)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005071 advisory. In the Linux kernel, the following vulnerability has been resolved: ax25: Fix reference count leak issue of netdevice There is a reference count leak issue of the...

Linux Kernel Security Vulnerabilities

The Linux kernel is the core of the open-source operating system Linux, developed by the Linux Foundation in the United States. There is a security vulnerability in the Linux kernel, caused by a session reference count leak, which may prevent network devices from being released...

UBUNTU-CVE-2025-71145

In the Linux kernel, the following vulnerability has been resolved: usb: phy: isp1301: fix non-OF device reference imbalance A recent change fixing a device reference leak in a UDC driver introduced a potential use-after-free in the non-OF case as the isp1301getclient helper only increases the...

CVE-2025-71150

In the Linux kernel, the following vulnerability has been resolved: ksmbd: Fix refcount leak when invalid session is found on session lookup When a session is found but its state is not SMB2SESSIONVALID, It indicates that no valid session was found, but it is missing to decrement the reference...

CVE-2025-71145

In the Linux kernel, the following vulnerability has been resolved: usb: phy: isp1301: fix non-OF device reference imbalance A recent change fixing a device reference leak in a UDC driver introduced a potential use-after-free in the non-OF case as the isp1301getclient helper only increases the...

Azure Linux 3.0 Security Update: kernel (CVE-2025-37836)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-37836 advisory. - In the Linux kernel, the following vulnerability has been resolved: PCI: Fix reference leak in...

Azure Linux 3.0 Security Update: kernel (CVE-2025-21995)

The version of kernel installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2025-21995 advisory. - In the Linux kernel, the following vulnerability has been resolved: drm/sched: Fix fence reference count lea...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000640)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000640 advisory. fs/overlayfs/copyup.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service dentry reference le...

RDMA/cm: Fix leaking the multicast GID table reference

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Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2026-002694)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-002694 advisory. The NFSv4 implementation in the Linux kernel through 4.11.1 allows local users to cause a denial of service resource consumption by leveraging improper channel...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001828)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001828 advisory. fs/overlayfs/copyup.c in the Linux kernel before 4.2.6 uses an incorrect cleanup code path, which allows local users to cause a denial of service dentry reference le...

SUSE CVE-2025-71081

In the Linux kernel, the following vulnerability has been resolved: ASoC: stm32: sai: fix OF node leak on probe The reference taken to the sync provider OF node when probing the platform device is currently only dropped if the setsync callback fails during DAI probe. Make sure to drop the referen...

SUSE CVE-2025-71090

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfsdfile reference leak in nfsd4addrdaccesstowrdeleg nfsd4addrdaccesstowrdeleg unconditionally overwrites fp-fifdsORDONLY with a newly acquired nfsdfile. However, if the client already has a SHAREACCESSREAD open from a...

kernel: can: j1939: implement NETDEV_UNREGISTER notification handler

A flaw was discovered in the J1939 protocol implementation in the Linux kernel. The NETDEVUNREGISTER notification handler was missing for undoing changes performed by j1939skbind. As a result, an extra reference remains on the j1939priv structure when unregistering a network device, preventing it...

kernel: can: j1939: implement NETDEV_UNREGISTER notification handler

A flaw was discovered in the J1939 protocol implementation in the Linux kernel. The NETDEVUNREGISTER notification handler was missing for undoing changes performed by j1939skbind. As a result, an extra reference remains on the j1939priv structure when unregistering a network device, preventing it...

CVE-2025-71090

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfsdfile reference leak in nfsd4addrdaccesstowrdeleg nfsd4addrdaccesstowrdeleg unconditionally overwrites fp-fifdsORDONLY with a newly acquired nfsdfile. However, if the client already has a SHAREACCESSREAD open from a...

CVE-2025-71090

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfsdfile reference leak in nfsd4addrdaccesstowrdeleg nfsd4addrdaccesstowrdeleg unconditionally overwrites fp-fifdsORDONLY with a newly acquired nfsdfile. However, if the client already has a SHAREACCESSREAD open from a...

UBUNTU-CVE-2025-71090

In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfsdfile reference leak in nfsd4addrdaccesstowrdeleg nfsd4addrdaccesstowrdeleg unconditionally overwrites fp-fifdsORDONLY with a newly acquired nfsdfile. However, if the client already has a SHAREACCESSREAD open from a...

CVE-2025-71090

CVE-2025-71090 describes a Linux kernel NFS daemon leak in nfsd4_add_rdaccess_to_wrdeleg(). The function overwrites fp->fi_fds[O_RDONLY] with a new nfsd_file even when a SHARE_ACCESS_READ is already open, thereby orphaning the prior reference. It previously stored the same nfsd_file pointer in...