Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: net: openvswitch: reject oversized nested action attrs CVE-2026-64531 In the Linux kernel, the following vulnerability has been resolved: xfs: resample the data fork mapping after cycling ILOCK CVE-2026-64600...

PT-2026-65217

In the Linux kernel, the following vulnerability has been resolved: ipv6: ndisc: fix NULL deref in accept untracked na accept untracked na re-fetches the inet6 dev with in6 dev getdev and dereferences idev-cnf.accept untracked na without a NULL check, even though its only caller ndisc recv na...

PT-2026-65229

In the Linux kernel, the following vulnerability has been resolved: netfilter: bridge: fix stale prevhdr pointer in br ip6 fragment br ip6 fragment gets prevhdr, a pointer into the skb head, from ip6 find 1stfragopt, then calls skb checksum help. For a cloned skb skb checksum help reallocates the...

CVE-2026-64209

In the Linux kernel, the following vulnerability has been resolved: phy: qcom: qmp-usbc: Fix out-of-bounds array access in dp swing config swingtbl and preemphasistbl are 4x4 arrays valid indices 0-3, but the boundary check uses " 4" instead of "= 4", allowing index 4 to cause an out-of-bounds...

Linux Distros Unpatched Vulnerability : CVE-2026-64223

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: wifi: mac80211: consume only present negotiated TTLM maps ieee80211tidtolinkmapsizeok...

Linux Distros Unpatched Vulnerability : CVE-2026-64555

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: arm64: nv: Fix SPSREL2 restore in kvmhyphandlemops kvmhyphandlemops resets the single-step state machine as part of rewinding state for a MOPS exception by...

Linux Distros Unpatched Vulnerability : CVE-2026-64247

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - KVM: x86: hyper-v: Bound the bank index when querying sparse banks When checking if a VP ID is included in a sparse bank set, explicitly check that the ID can...

Linux Distros Unpatched Vulnerability : CVE-2026-64214

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - powerpc/time: Remove redundant preemptdisable|enable calls from archirqworkraise A kernel panic is observed when handling machine check exceptions from real mod...

CVE-2026-64239

In the Linux kernel, the following vulnerability has been resolved: mm/damon/sysfs-schemes: delete tried region in regionsrmdirs DAMON sysfs maintains the DAMOS tried region directory objects via a linked list. When the user requests refresh of the directories, DAMON sysfs removes all the region...

CVE-2026-64213

In the Linux kernel, the following vulnerability has been resolved: hwmon: lm90 Add lock protection to lm90alert Sashiko reports: lm90alert executes in the smbus alert context and calls lm90updateconfreg to disable the hardware alert line, without acquiring hwmonlock. Concurrently, sysfs write...

CVE-2026-64242

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: net2280: Fix double free in probe error path usbinitializegadget installs gadgetrelease as the release callback for the embedded gadget device. The struct net2280 instance is therefore released through gadgetrelease...

CVE-2026-64214

In the Linux kernel, the following vulnerability has been resolved: powerpc/time: Remove redundant preemptdisable|enable calls from archirqworkraise A kernel panic is observed when handling machine check exceptions from real mode. BUG: Unable to handle kernel data access on read at...

CVE-2026-64519

In the Linux kernel, the following vulnerability has been resolved: NFSD: Fix infinite loop in layout state revocation findonesbstid skips stids whose scstatus is non-zero, but the SCTYPELAYOUT case in nfsd4revokestates never sets scstatus before calling nfsd4closelayout. The retry loop therefore...

CVE-2026-64210

In the Linux kernel, the following vulnerability has been resolved: net/mlx5e: xsk: Fix unlocked writing to ICOSQ During napi poll, when the affinity changes and there's still XSK work to be done, we trigger an ICOSQ interrupt on the new CPU. However, this triggering on the ICOSQ is done...

CVE-2026-64232

In the Linux kernel, the following vulnerability has been resolved: block: recompute nrintegritysegments in blkinsertclonedrequest blkinsertclonedrequest already recomputes nrphyssegments against the bottom queue, because "the queue settings related to segment counting may differ from the origina...

CVE-2026-64525

In the Linux kernel, the following vulnerability has been resolved: xfrm: move policybydst RCU sync from per-netns .exit to .preexit The struct pernetoperations docstring in include/net/netnamespace.h explicitly warns against blocking RCU primitives in .exit handlers: Exit methods using blocking...

CVE-2026-64223

In the Linux kernel, the following vulnerability has been resolved: wifi: mac80211: consume only present negotiated TTLM maps ieee80211tidtolinkmapsizeok validates negotiated TTLM elements against the number of link-map entries indicated by linkmappresence. ieee80211parsenegttlm must consume the...

CVE-2026-64225

In the Linux kernel, the following vulnerability has been resolved: octeontx2-af: CGX: add bounds check to cgxspeedmbps index cgxspeedmbps has 13 elements but RESPLINKSTATSPEED can yield values 0-15. If it returns a value = 13, this causes an out-of-bounds array access. Add a bounds check and...

CVE-2026-64215

In the Linux kernel, the following vulnerability has been resolved: drm/msm/a6xx: Check kzalloc return in a8xxhfisendperftable Check the return value of kzalloc to prevent a NULL pointer dereference on allocation failure. Patchwork: https://patchwork.freedesktop.org/patch/721342/...

UBUNTU-CVE-2026-64231

In the Linux kernel, the following vulnerability has been resolved: drm/msm/dsi: don't dump registers past the mapped region On DSI 6G platforms the IO address space is internally adjusted by iooffset. Later this adjusted address might be used for memory dumping. However the size that is used for...