CVE-2026-76642

util-linux versions through 2.41.5 and 2.42.2 fail to check mount helper exit status before running post-mount hooks, allowing unprivileged users to execute privileged operations on pre-existing filesystems. Attackers can exploit X-mount.idmap or X-mount.owner hooks to clone filesystems with...

CVE-2026-76642 util-linux libmount Privilege Escalation via Failed Mount Helper

util-linux versions through 2.41.5 and 2.42.2 fail to check mount helper exit status before running post-mount hooks, allowing unprivileged users to execute privileged operations on pre-existing filesystems. Attackers can exploit X-mount.idmap or X-mount.owner hooks to clone filesystems with...

CVE-2026-80753 ovpn: run deferred work on a module-owned workqueue

In the Linux kernel, the following vulnerability has been resolved: ovpn: run deferred work on a module-owned workqueue ovpn queues several work items whose callbacks execute module text. These works currently run on the global system workqueues, so module exit has no driver-owned drain point tha...

kernel: ipv4: free net->ipv4.sysctl_local_reserved_ports after unregister_net_sysctl_table()

A flaw was found in the Linux kernel's IPv4 networking component. The ipv4sysctlexitnet function prematurely frees the net-ipv4.sysctllocalreservedports memory. This can lead to a use-after-free vulnerability, where other threads might attempt to access deallocated memory. Such an issue can resul...

Fedora 43 : bind (2026-875d2a5154)

The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-875d2a5154 advisory. Fixes multiple CVEs - Potential wildcard CNAME RPZ policy bypass CVE-2026-11331 - Key Record using PRIVATEDNS algorithm may lead to exit...

EUVD-2026-66583

In the Linux kernel, the following vulnerability has been resolved: perf: Reject exited events as group leaders perfeventremoveonexec sets remove-on-exec events to the EXIT state and detaches their group relationships. The event's file descriptor can remain open, however, and perfeventopen...

CVE-2026-74753

In the Linux kernel, the following vulnerability has been resolved: perf: Reject exited events as group leaders perfeventremoveonexec sets remove-on-exec events to the EXIT state and detaches their group relationships. The event's file descriptor can remain open, however, and perfeventopen...

CVE-2026-74753 perf: Reject exited events as group leaders

In the Linux kernel, the following vulnerability has been resolved: perf: Reject exited events as group leaders perfeventremoveonexec sets remove-on-exec events to the EXIT state and detaches their group relationships. The event's file descriptor can remain open, however, and perfeventopen...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-098768)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-098768 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: x86: Don't recheck L1 intercepts when completing userspace I/O When completing emulation of...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: gssproxy (UTSA-2026-093183)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-093183 advisory. gssproxy aka gss-proxy before 0.8.3 does not unlock condmutex before pthread exit in gpworkermain in gpworkers.c. NOTE: An upstream comment states We are already on ...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: wireshark (UTSA-2026-104767)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-104767 advisory. BUSMASTER file parser abnormal exit in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service Tenable has extracted the preceding description block directly fro...

PT-2026-82133

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the Linux kernel where perf event open accepts events in the EXIT state as group leaders because early validation only rejects REVOKED and DEAD events. This occurs aft...

The vulnerability of the ext4_ext_map_blocks() function in the fs/ext4/extents.c module of the Ext4 file system in the Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the ext4extmapblocks function in the fs/ext4/extents.c module of the Ext4 file system in the Linux operating system is related to the execution of a loop with an unreachable exit condition. Exploiting this vulnerability could allow a remote attacker to compromise the...

The vulnerability of the io_poll_check_events() function in the io_uring/poll.c module of the Linux kernel’s asynchronous I/O interface allows a attacker to cause a service failure.

The vulnerability of the iopollcheckevents function in the iouring/poll.c module of the Linux kernel’s asynchronous I/O interface involves executing a loop with an unconditionally exit condition. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the dpaa2_switch_irq0_handler_thread() function in the drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c module of the Ethernet network adapter driver for the FreeScale Linux operating system allows a attacker to compromise the confidentiality, integrity, and accessibility of the protected information.

The vulnerability of the dpaa2switchirq0handlerthread function in the drivers/net/ethernet/freescale/dpaa2/dpaa2-switch.c module of the Ethernet network adapter driver for the FreeScale Linux operating system is related to the execution of a loop with an unreachable exit condition. Exploiting thi...

CVE-2026-77587

A flaw was found in Tor. A malicious exit node could exploit a use-after-free vulnerability in the handling of conflux objects. This occurs when a recovery leg attempts to revive a conflux set whose last linked leg has already been closed. Successful exploitation of this flaw could lead to a clie...

Astra Linux – Vulnerability found in Linux 5.10, Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Fixed the issue with rcudereferenceprotected. When destroying all sets, we are either in the pernetexit phase or executing a “destroy all sets” command from user space. The latter was taken into account in...

Astra Linux – Vulnerability found in Linux 6.1, Linux 5.10

In the Linux kernel, the following vulnerability has been resolved: usb: typec: displayport: Fixed a potential deadlock condition. The deadlock can occur due to a recursive lock acquisition of crostypecaltmodedata::mutex. The call chain is as follows: 1. crostypecaltmodework acquires the mutex. 2...

Astra Linux – Vulnerability in tinyxml

In the TiXmlDeclaration::Parse method in tinyxmlparser.cpp within TinyXML, up to version 2.6.2, there is a potentially exploitable assertion which can lead to application exit. This issue occurs when a malicious XML document is used, where a null character \0 is placed after a whitespace...

Astra Linux – Vulnerability in libcommons-compress-java

There is a vulnerability related to the “Unreachable Exit Condition” „Infinite Loop“ in Apache Commons Compress. This issue affects Apache Commons Compress versions from 1.3 to 1.25.0. Users are recommended to upgrade to version 1.26.0, which fixes this issue...