EUVD-2026-38880

In the Linux kernel, the following vulnerability has been resolved: nexthop: fix IPv6 route referencing IPv4 nexthop syzbot reported a panic 1 2. When an IPv6 nexthop is replaced with an IPv4 nexthop, the hasv4 flag of all groups containing this nexthop is not updated. This is because...

EUVD-2026-38815

In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix refcount saturation and potential UAF in qrtrportremove In qrtrportremove, the socket reference count is decremented via sockput before the port is removed from the qrtrports XArray and before the RCU grace period...

postgresql:12 security update

An update is available for postgres-decoderbufs, module.postgres-decoderbufs, postgresql, module.pgaudit, module.pgrepack, pgaudit, pgrepack, module.postgresql. This update affects Rocky Linux 8. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is...

CVE-2026-54904

concurrent-ruby is a modern concurrency tools for Ruby. Prior to 1.3.7, Concurrent::AtomicReferenceupdate can enter a permanent busy retry loop when the current value is Float::NAN. The issue is caused by the interaction between AtomicReferenceupdate, which retries until compareandsetoldvalue,...

CVE-2026-53096

In the Linux kernel, the following vulnerability has been resolved: bpf: Use RCU-safe iteration in devmapredirectmulti SKB path The DEVMAPHASH branch in devmapredirectmulti uses hlistforeachentrysafe to iterate hash buckets, but this function runs under RCU protection called from...

CVE-2026-52988

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: join hook list via splicelistrcu in commit phase Publish new hooks in the list into the basechain/flowtable using splicelistrcu to ensure netlink dump list traversal via rcu is safe while concurrent ruleset...

CVE-2026-52975

In the Linux kernel, the following vulnerability has been resolved: bonding: 3ad: implement proper RCU rules for port-aggregator syzbot found a data-race in bond3adgetactiveagginfo / bond3adstatemachinehandler 1 which hints at lack of proper RCU implementation. Add rcu qualifier to port-aggregato...

UBUNTU-CVE-2026-53100

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: fix deadlock in remain-on-channel mt76remainonchannel and mt76roccomplete call mt76setchannel while already holding dev-mutex. Since mt76setchannel also acquires dev-mutex, this results in a deadlock. Use mt76setchann...

UBUNTU-CVE-2026-53020

In the Linux kernel, the following vulnerability has been resolved: um: Fix potential race condition in TLB sync During the TLB sync, we need to traverse and modify the page table, so we should hold the page table lock. Since full SMP support for threads within the same process is still missing,...

UBUNTU-CVE-2026-52988

In the Linux kernel, the following vulnerability has been resolved: netfilter: nftables: join hook list via splicelistrcu in commit phase Publish new hooks in the list into the basechain/flowtable using splicelistrcu to ensure netlink dump list traversal via rcu is safe while concurrent ruleset...

UBUNTU-CVE-2026-52980

In the Linux kernel, the following vulnerability has been resolved: sched/fair: Clear reldeadline when initializing forked entities A yield-triggered crash can happen when a newly forked schedentity enters the fair class with se-reldeadline unexpectedly set. The failing sequence is: 1. A task is...

EUVD-2026-38996

In the Linux kernel, the following vulnerability has been resolved: drbd: Balance RCU calls in drbdadmdumpdevices Make drbdadmdumpdevices call rcureadlock before rcureadunlock is called. This has been detected by the Clang thread-safety analyzer...

CVE-2026-53119

In the Linux kernel, the following vulnerability has been resolved: platform/wmi: use generic driveroverride infrastructure When a driver is probed through driverattach, the bus' match callback is called without the device lock held, thus accessing the driveroverride field without a lock, which c...

CVE-2026-53116

CVE-2026-53116 affects the Linux kernel s390/ap subsystem. The vulnerability arises when AP masks are updated via apmask_store() or aqmask_store(): ap_bus_revise_bindings() runs after ap_attr_mutex is released and __ap_revise_reserved() accesses driver_override without a lock, racing with driver_...

CVE-2026-53106

CVE-2026-53106 affects the Linux kernel BPF storage deletion flow. The issue arises when local storage is freed via kfree_rcu(), call_rcu(), or call_rcu_tasks_trace() in NMI or reentrant contexts, which can lead to a deadlock. The documented mitigation in NMI is to return an error from bpf_xxx_st...

EUVD-2026-38974

In the Linux kernel, the following vulnerability has been resolved: bpf: Do not allow deleting local storage in NMI Currently, local storage may deadlock when deferring freeing selem or local storage through kfreercu, callrcu or callrcutaskstrace in NMI or reentrant. Since deleting selem in NMI i...

CVE-2026-53096

CVE-2026-53096 affects Linux kernel code path in BPF dev_map_redirect_multi() where DEVMAP_HASH uses hlist_for_each_entry_safe() under RCU protection. The function iterates hash buckets without rcu_dereference(), exposing risk of partially constructed nodes on weakly-ordered architectures (ARM64,...

CVE-2026-53096 bpf: Use RCU-safe iteration in dev_map_redirect_multi() SKB path

In the Linux kernel, the following vulnerability has been resolved: bpf: Use RCU-safe iteration in devmapredirectmulti SKB path The DEVMAPHASH branch in devmapredirectmulti uses hlistforeachentrysafe to iterate hash buckets, but this function runs under RCU protection called from...

CVE-2026-53059

In the Linux kernel, the following vulnerability has been resolved: dm log: fix out-of-bounds write due to regioncount overflow The local variable regioncount in createlogcontext is declared as unsigned int 32-bit, but dmsectordivup returns sectort 64-bit. When a device-mapper target has a...

CVE-2026-53057 iommu/riscv: Add IOTINVAL after updating DDT/PDT entries

In the Linux kernel, the following vulnerability has been resolved: iommu/riscv: Add IOTINVAL after updating DDT/PDT entries Add riscviommuiodiriotinval to perform required TLB and context cache invalidations after updating DDT or PDT entries, as mandated by the RISC-V IOMMU specification Section...