CVE-2026-80838 vxlan: keep the last remote linked during FDB flush

In the Linux kernel, the following vulnerability has been resolved: vxlan: keep the last remote linked during FDB flush A non-nexthop FDB entry is expected to have at least one remote while it remains reachable through the FDB hash table. A filtered bulk flush violates this invariant when every...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15, and Linux 6.1

A “use-after-free” vulnerability in the Linux kernel’s ipv4:igmp component can be exploited to achieve local privilege escalation. A race condition can also be exploited, causing a timer to be mistakenly registered on a RCU read-locked object that is then freed by another thread. We recommend...

AZL-97206 CVE-2026-74656 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU exception updates. The walk uses rcudereferenceprotected with a constant tr...

CVE-2026-74630 ipv6: prevent in6_dev_get() from resurrecting inet6_dev

In the Linux kernel, the following vulnerability has been resolved: ipv6: prevent in6devget from resurrecting inet6dev in6devget reads dev-ip6ptr under RCU and then unconditionally increments its refcount. Device teardown can clear the pointer and drop the last reference between these operations...

Linux Distros Unpatched Vulnerability : CVE-2026-74630

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv6: prevent in6devget from resurrecting inet6dev in6devget reads dev-ip6ptr under RCU and then unconditionally increments its refcount. Device teardown can...

Linux Distros Unpatched Vulnerability : CVE-2026-74656

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - ipv4: fix use-after-free in fibnhcupdatemtu fibnhcupdatemtu walks the nexthop exception table under RTNL, but RTNL does not serialize this walk with PMTU...

AZL-96998 CVE-2026-74583 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: net/sched: clsroute: fix fastmap use-after-free on filter The route4 classifier maintains a 16-slot fastmap cache that stores raw struct route4filter pointers indexed by id, iif. The reader route4classify populates this cache via...

Linux Distros Unpatched Vulnerability : CVE-2026-72094

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - In the Linux kernel, the following vulnerability has been resolved: dma-buf: dma-fence: Fix potential NULL pointer dereference The commit mentioned in the fixes...

Unity Linux 20.1050a Security Update: kernel (UTSA-2026-100766)

The Unity Linux 20 host has a package installed that is affected by a vulnerability as referenced in the UTSA-2026-100766 advisory. In the Linux kernel, the following vulnerability has been resolved: net: qrtr: fix refcount saturation and potential UAF in qrtrportremove In qrtrportremove, the...

EUVD-2026-59705

In the Linux kernel, the following vulnerability has been resolved: audit: fix potential use-after-free in auditdelrule auditdelrule destroys e-rule.exe via auditremovemarkrule before unlinking the rule from RCU-visible filter lists and waiting for a grace period. Concurrent readers in auditfilte...

AZL-96387 CVE-2026-72404 affecting package kernel 6.6.150.1-1

In the Linux kernel, the following vulnerability has been resolved: tipc: fix UAF in cleanupbearer due to premature dstcachedestroy TIPC UDP media bearer teardown calls dstcachedestroy on its replicast caches before calling synchronizenet to wait for concurrent RCU readers transmitters to finish:...

CVE-2026-74325

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: use kfreercu for offchannel link in mt76putvifphylink mt76putvifphylink frees the offchannel mlink with plain kfree after rcuassignpointerNULL. However, rcuassignpointer only prevents future RCU readers from obtaining...

CVE-2026-72126

In the Linux kernel, the following vulnerability has been resolved: can: isotp: use unconditional synchronizercu in isotprelease isotpnotify unregisters the RCU CAN filters via canrxunregister and clears so-bound without waiting for a grace period. isotprelease uses so-bound to decide whether it...

CVE-2026-72123

In the Linux kernel, the following vulnerability has been resolved: can: bcm: defer rxop deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 "can: bcm: use callrcu instead of costly synchronizercu" replaced synchronizercu in bcmdeleterxop with callrcu and introduced the RXNOAUTOTIME...

CVE-2026-72071

In the Linux kernel, the following vulnerability has been resolved: tracing/userevents: Fix use-after-free in usereventmmdup usereventmmdup walks the parent mm's enabler list locklessly under rcureadlock during fork from copyprocess; it does not take eventmutex: rcureadlock;...

UBUNTU-CVE-2026-72126

In the Linux kernel, the following vulnerability has been resolved: can: isotp: use unconditional synchronizercu in isotprelease isotpnotify unregisters the RCU CAN filters via canrxunregister and clears so-bound without waiting for a grace period. isotprelease uses so-bound to decide whether it...

CVE-2026-74325 wifi: mt76: use kfree_rcu for offchannel link in mt76_put_vif_phy_link

In the Linux kernel, the following vulnerability has been resolved: wifi: mt76: use kfreercu for offchannel link in mt76putvifphylink mt76putvifphylink frees the offchannel mlink with plain kfree after rcuassignpointerNULL. However, rcuassignpointer only prevents future RCU readers from obtaining...

CVE-2026-72126

The CVE concerns a Linux kernel race in the isotp path of CAN networking. The fix makes isotp_release() always call synchronize_rcu() before cancelling RX timers, regardless of so->bound, addressing a scenario where NETDEV_UNREGISTER could allow a use-after-free of a timer callback if an in-fl...

CVE-2026-72126 can: isotp: use unconditional synchronize_rcu() in isotp_release()

In the Linux kernel, the following vulnerability has been resolved: can: isotp: use unconditional synchronizercu in isotprelease isotpnotify unregisters the RCU CAN filters via canrxunregister and clears so-bound without waiting for a grace period. isotprelease uses so-bound to decide whether it...

EUVD-2026-58881

In the Linux kernel, the following vulnerability has been resolved: can: bcm: defer rxop deallocation to workqueue to fix thrtimer UAF Commit f1b4e32aca08 "can: bcm: use callrcu instead of costly synchronizercu" replaced synchronizercu in bcmdeleterxop with callrcu and introduced the RXNOAUTOTIME...