kernel: mptcp: Use __sk_dst_get() and dst_dev_rcu() in mptcp_active_enable()

A use-after-free flaw was found in Multipath TCP in the Linux kernel in net/mptcp/ctrl.c:mptcpactiveenablecode due to concurrency problem. This flaw could allow an attacker to crash the system at device disconnect. This vulnerability could even lead to a kernel information leak problem...

CVE-2026-23025 mm/page_alloc: prevent pcp corruption with SMP=n

In the Linux kernel, the following vulnerability has been resolved: mm/pagealloc: prevent pcp corruption with SMP=n The kernel test robot has reported: BUG: spinlock trylock failure on UP on CPU0, kcompactd0/28 lock: 0xffff888807e35ef0, .magic: dead4ead, .owner: kcompactd0/28, .ownercpu: 0 CPU: 0...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005063)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005063 advisory. In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential kernel bug due to lack of writeback flag waiting Destructive writes to a...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-005005)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-005005 advisory. In the Linux kernel, the following vulnerability has been resolved: net: hns3: do not allow call hns3nicnetopen repeatedly hns3nicnetopen is not allowed to called...

CVE-2026-23010 ipv6: Fix use-after-free in inet6_addr_del().

In the Linux kernel, the following vulnerability has been resolved: ipv6: Fix use-after-free in inet6addrdel. syzbot reported use-after-free of inet6ifaddr in inet6addrdel. 0 The cited commit accidentally moved ipv6deladdr for mngtmpaddr before reading its ifp-flags for temporary addresses in...

Unity Linux 20.1050e Security Update: kernel (UTSA-2026-004917)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-004917 advisory. In the Linux kernel, the following vulnerability has been resolved: KVM: SVM: Don't BUG if userspace injects an interrupt with GIF=0 Don't BUG/WARN on interrupt...

CVE-2026-22976

CVE-2026-22976 affects the Linux kernel’s net/sched sch_qfq, where two qfq_class objects can reference the same leaf_qdisc. In certain teardown paths (e.g., when a qdisc is pending destruction via tc_new_tfilter and another qdisc is root-attached), a shared leaf_qdisc may have q.qlen > 0 while...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001188)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001188 advisory. The omninetopen function in drivers/usb/serial/omninet.c in the Linux kernel before 4.10.4 allows local users to cause a denial of service tty exhaustion by leveragi...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000993)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000993 advisory. The batadvfragmergepackets function in net/batman-adv/fragmentation.c in the B.A.T.M.A.N. implementation in the Linux kernel through 3.18.1 uses an incorrect length...

Unity Linux 20.1070e Security Update: kernel (UTSA-2026-001396)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001396 advisory. ext4emptydir in fs/ext4/namei.c in the Linux kernel through 5.3.12 allows a NULL pointer dereference because ext4readdirblockinode,0,DIRENTHTREE can be zero. Tenable...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001635)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001635 advisory. In l2tpsessiondelete and related functions of l2tpcore.c, there is possible memory corruption due to a use after free. This could lead to local escalation of privile...

Unity Linux 20.1050e / 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-000646)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-000646 advisory. The sndtimerinterrupt function in sound/core/timer.c in the Linux kernel before 4.4.1 does not properly maintain a certain linked list, which allows local users to...

ocfs2: fix kernel BUG in ocfs2_find_victim_chain

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Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001819)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001819 advisory. arch/s390/kernel/ptrace.c in the Linux kernel before 3.15.8 on the s390 platform does not properly restrict address-space control operations in PTRACEPOKEUSRAREA...

Unity Linux 20.1060e / 20.1070e Security Update: kernel (UTSA-2026-001866)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-001866 advisory. The 1 udprecvmsg and 2 udpv6recvmsg functions in the Linux kernel before 4.0.6 provide inappropriate -EAGAIN return values, which allows remote attackers to cause a...

CVE-2025-68771

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix kernel BUG in ocfs2findvictimchain syzbot reported a kernel BUG in ocfs2findvictimchain because the clnextfreerec field of the allocation chain list next free slot in the chain list is 0, triggring the...

kernel: scsi: ses: Fix possible desc_ptr out-of-bounds accesses

A bounds-checking flaw was found in the Linux kernel Small Computer System Interface Enclosure Services driver in the way descriptor pointers are validated while processing enclosure data. Missing checks could allow an out-of-bounds access during parsing. A local user could use this flaw to crash...

CVE-2025-71065

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to avoid potential deadlock As Jiaming Zhang and syzbot reported, there is potential deadlock in f2fs as below: Chain exists of: &sbi-cprwsem -- fsreclaim -- sbinternal2 Possible unsafe locking scenario: CPU0 CPU1 ----...

CVE-2025-68771

In the Linux kernel, the following vulnerability has been resolved: ocfs2: fix kernel BUG in ocfs2findvictimchain syzbot reported a kernel BUG in ocfs2findvictimchain because the clnextfreerec field of the allocation chain list next free slot in the chain list is 0, triggring the...

UBUNTU-CVE-2025-68769

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix return value of f2fsrecoverfsyncdata With below scripts, it will trigger panic in f2fs: mkfs.f2fs -f /dev/vdd mount /dev/vdd /mnt/f2fs touch /mnt/f2fs/foo sync echo 111 /mnt/f2fs/foo f2fsio fsync /mnt/f2fs/foo f2fsio...