CVE-2026-64142

In the Linux kernel, the following vulnerability has been resolved: ksmbd: close durable scavenger races against mfplist lookups ksmbddurablescavenger has two related races against any walker that iterates fci-mfplist, including ksmbdlookupfdinode used by ksmbdvfsrename and the share-mode checks ...

EUVD-2026-45723

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: initialize nrpages to 1 at loop start in trytounmapone Initialize nrpages to 1 at the start of each loop iteration, like folioreferencedone does. Without this, nrpages computed by a previous foliounmapptebatch call can b...

CVE-2026-63950

In the Linux kernel, the following vulnerability has been resolved: mm/rmap: initialize nrpages to 1 at loop start in trytounmapone Initialize nrpages to 1 at the start of each loop iteration, like folioreferencedone does. Without this, nrpages computed by a previous foliounmapptebatch call can b...

CVE-2026-63918

In the Linux kernel, the following vulnerability has been resolved: l2tp: use refcountincnotzero in l2tpsessiongetbyifname A reader in l2tpsessiongetbyifname can return a pointer to a session whose refcount has reached zero. The getter takes its reference with plain refcountinc, but every other...

CVE-2026-63918 l2tp: use refcount_inc_not_zero in l2tp_session_get_by_ifname

In the Linux kernel, the following vulnerability has been resolved: l2tp: use refcountincnotzero in l2tpsessiongetbyifname A reader in l2tpsessiongetbyifname can return a pointer to a session whose refcount has reached zero. The getter takes its reference with plain refcountinc, but every other...

CVE-2026-63823

In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka in auth key wait for helper get auth key load rka from auth key copy...

EUVD-2026-45489

In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka in auth key wait for helper get auth key load rka from auth key copy...

CVE-2026-63823 keys: Pin request_key_auth payload in instantiate paths

In the Linux kernel, the following vulnerability has been resolved: keys: Pin requestkeyauth payload in instantiate paths A: requestkey B: KEYCTLINSTANTIATEIOV ================ ========================= create auth key store rka in auth key wait for helper get auth key load rka from auth key copy...

PT-2026-61267

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the try to unmap one function within the memory management subsystem. The nr pages variable is not properly initialized at the start of each loop iteration. This allow...

Linux Distros Unpatched Vulnerability : CVE-2026-63827

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - apparmor: fix use-after-free in rawdata dedup loop aareplaceprofiles walks ns-rawdatalist to dedup the incoming policy blob against entries already attached to...

PT-2026-61143

Name of the Vulnerable Software and Affected Versions Linux kernel version 7.1-rc5 Description A use-after-free issue exists in the AppArmor module of the Linux kernel. The aa replace profiles function iterates through the ns-rawdata list to deduplicate incoming policy blobs against existing...

PT-2026-61361

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the OpenVPN implementation where the ovpn nl peer new doit function error path calls ovpn peer release directly instead of using ovpn peer put. This bypasses the kref...

PT-2026-63570

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the XFS filesystem copy-on-write implementation. The functions xfs reflink fill cow hole and xfs reflink fill delalloc cycle the ILOCK to acquire a transaction...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net/sched: teql: Fix double-free in teqlmasterxmit CVE-2026-23449 In the Linux kernel, the following vulnerability has been resolved: ext4: validate pidx bounds in ext4extcorrectindexes CVE-2026-31449 In the Linux...

CVE-2026-10653

The Zephyr netbuf library lib/netbuf/buf.c manipulated both of its reference counts -- the per-header buf-ref and the per-data-block refcount at the start of each variable/heap data allocation -- with plain non-atomic C operators buf-ref++, if --buf-ref 0, if --refcount. The API is documented as...

PT-2026-53912

The Zephyr net buf library lib/net buf/buf.c manipulated both of its reference counts -- the per-header buf-ref and the per-data-block ref count at the start of each variable/heap data allocation -- with plain non-atomic C operators buf-ref++, if --buf-ref 0, if --ref count. The API is documented...

SUSE CVE-2026-53281

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid NULL pointer dereference or refcount corruption Commit 60f030f7418d "iommu/vt-d: Avoid use of NULL after WARNONONCE" fixed a NULL pointer dereference in an unlikely situation partly. If devpasid is not found in...

Linux Distros Unpatched Vulnerability : CVE-2026-53260

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tcp: Add preemptdisable,enablenested in reqskqueuehashreq. syzbot reported a weird reqsk-rskrefcnt underflow in inetcskreqskqueuedrop. The captured reqskput in...

net: qrtr: fix refcount saturation and potential UAF in qrtr_port_remove

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DEBIAN-CVE-2026-53281

In the Linux kernel, the following vulnerability has been resolved: iommu/vt-d: Avoid NULL pointer dereference or refcount corruption Commit 60f030f7418d "iommu/vt-d: Avoid use of NULL after WARNONONCE" fixed a NULL pointer dereference in an unlikely situation partly. If devpasid is not found in...