UBUNTU-CVE-2025-68768

In the Linux kernel, the following vulnerability has been resolved: inet: frags: flush pending skbs in fqdirpreexit We have been seeing occasional deadlocks on pernetopsrwsem since September in NIPA. The stuck task was usually modprobe often loading a driver like ipvlan, trying to take the lock a...

CVE-2025-68768 inet: frags: flush pending skbs in fqdir_pre_exit()

In the Linux kernel, the following vulnerability has been resolved: inet: frags: flush pending skbs in fqdirpreexit We have been seeing occasional deadlocks on pernetopsrwsem since September in NIPA. The stuck task was usually modprobe often loading a driver like ipvlan, trying to take the lock a...

CVE-2025-68768

This CVE (CVE-2025-68768) affects the Linux kernel and is documented as a fix for a fragmentation-related deadlock: the code path in inet: frags: flush pending skbs in fqdir_pre_exit() flushes fragment queue SKBs to release conntrack references before nf_conntrack_cleanup_net_list() runs. The roo...

Linux Distros Unpatched Vulnerability : CVE-2025-68768

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - inet: frags: flush pending skbs in fqdirpreexit We have been seeing occasional deadlocks on pernetopsrwsem since September in NIPA. The stuck task was usually...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-000337)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000337 advisory. In the Linux kernel through 5.8.7, local attackers able to inject conntrack netlink configuration could overflow a local buffer, causing crashes or triggering use of...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-993245)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-993245 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nfsklookupslowv4 does the conntrack lookup for...

Unity Linux 20.1060a / 20.1070a Security Update: kernel (UTSA-2025-992756)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992756 advisory. In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix overwriting ct original tuple for ICMPv6 OVSPACKETCMDEXECUTE has 3 main...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992573)

"The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992573 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: conntrack: dccp: copy entire header to stack buffer, not just basic one Eric Dumazet...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992660)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992660 advisory. In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: fix overwriting ct original tuple for ICMPv6 OVSPACKETCMDEXECUTE has 3 main...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2025-992627)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2025-992627 advisory. In the Linux kernel, the following vulnerability has been resolved: netfilter: socket: Lookup orig tuple for IPv6 SNAT nfsklookupslowv4 does the conntrack lookup for...

SUSE SLES15: cluster-md-kmp-default / dlm-kmp-default / gfs2-kmp-default / etc (SUSE-SU-2025:4320-1)

The remote SUSE Linux SLES15 / SLESSAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:4320-1 advisory. The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: -...

kernel: net/sched: act_ct: fix skb leak and crash on ooo frags

A memory leak flaw and potential kernel crash were found in the Linux kernel’s Conntrack module. This issue occurs when Conntrack is being used by a local user for a specific configuration, and both fragmented packets are received remotely and out of order. This flaw allows a local or remote user...

kernel: net/sched: act_ct: fix skb leak and crash on ooo frags

A memory leak flaw and potential kernel crash were found in the Linux kernel’s Conntrack module. This issue occurs when Conntrack is being used by a local user for a specific configuration, and both fragmented packets are received remotely and out of order. This flaw allows a local or remote user...

PT-2026-2500

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A flaw exists in the Linux kernel related to network packet fragmentation and conntrack. Specifically, the issue involves pending SKBs socket buffers holding conntrack references during...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-50327: ACPI: processor: idle: Check acpifetchacpidev return value bsc1249859. CVE-2022-50334: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam bsc1249857...

SUSE-SU-2025:4320-1 Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 kernel was updated to fix various security issues The following security issues were fixed: - CVE-2022-50327: ACPI: processor: idle: Check acpifetchacpidev return value bsc1249859. - CVE-2022-50334: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam bsc1249857. ...

kernel: net/sched: act_ct: fix skb leak and crash on ooo frags

A memory leak flaw and potential kernel crash were found in the Linux kernel’s Conntrack module. This issue occurs when Conntrack is being used by a local user for a specific configuration, and both fragmented packets are received remotely and out of order. This flaw allows a local or remote user...

kernel: net/sched: act_ct: fix skb leak and crash on ooo frags

A memory leak flaw and potential kernel crash were found in the Linux kernel’s Conntrack module. This issue occurs when Conntrack is being used by a local user for a specific configuration, and both fragmented packets are received remotely and out of order. This flaw allows a local or remote user...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP5 RT kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-50327: ACPI: processor: idle: Check acpifetchacpidev return value bsc1249859. CVE-2022-50334: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam bsc1249857...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP4 RT kernel was updated to fix various security issues The following security issues were fixed: CVE-2022-50327: ACPI: processor: idle: Check acpifetchacpidev return value bsc1249859. CVE-2022-50334: hugetlbfs: fix null-ptr-deref in hugetlbfsparseparam bsc1249857...