CVE-2026-68126

The CVE-2026-68126 vulnerability affects the Linux kernel mac802154 path by dereferencing the scanned sub-interface (sdata->dev) after the RCU read unlock and after the rtnl is dropped, leading to a use-after-free when DEL_INTERFACE or PHY removal unregisters the interface. The root cause is t...

CVE-2026-68122 ovpn: fix peer refcount leak in TCP error paths

In the Linux kernel, the following vulnerability has been resolved: ovpn: fix peer refcount leak in TCP error paths When either the TCP RX or TX error path calls ovpnpeerhold followed by schedulework&peer-tcp.deferdelwork, and the work item is already pending from the other path, schedulework...

CVE-2026-68111

The CVE-2026-68111 issue affects the Linux kernel's drm/amdgpu/gfx9 path, where a BUG_ON() could crash the kernel. The fix replaces BUG_ON() with WARN_ON(), avoiding a crash in these cases. The change (cherry-picked from commit b71604f8685b0eba07866f4e8dc30f93e1931054) has been included in stable...

EUVD-2026-55491

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/sdma4.4.2: replace BUGON with WARNON There's no need to crash the kernel for these cases. cherry picked from commit fa4f86a148271e325e95287630a3a15a9cd35fdc...

EUVD-2026-55488

In the Linux kernel, the following vulnerability has been resolved: drm/amdgpu/vcn4: avoid rereading IB param length Reuse the parameter length returned by vcnv40encfindibparam instead of rereading it from the IB. This avoids a potential TOCTOU issue if the IB contents change between reads. cherr...

CVE-2026-68100

The CVE-2026-68100 issue affects ksmbd in the Linux kernel. A flaw in set_ntacl_dacl() copies ACEs from an attacker-controlled security descriptor without validating sid.num_subauth, allowing an authenticated SMB2 client to trigger an out-of-bounds heap read (~1 KB) when building a POSIX ACL in a...

SUSE CVE-2026-64588

In the Linux kernel, the following vulnerability has been resolved: fuse-uring: fix data races on ring-ready On weakly-ordered architectures, the store to fiq-ops can be reordered past the store to ring-ready, allowing a CPU that sees ring-ready == true via fuseuringready to dispatch requests...

CVE-2026-64598 smb/client: Fix error code in smb2_aead_req_alloc()

In the Linux kernel, the following vulnerability has been resolved: smb/client: Fix error code in smb2aeadreqalloc The "numsgs" variable is a u32 so "ERRPTRnumsgs" doesn't work. We would have to do something similar to the previous line where it's cast to int and then long. However, it's simpler ...

CVE-2026-64596 libfs: set SB_I_NOEXEC and SB_I_NODEV by default in init_pseudo()

In the Linux kernel, the following vulnerability has been resolved: libfs: set SBINOEXEC and SBINODEV by default in initpseudo Since commit 1e7ab6f67824 "anoninode: rework assertions", pathnoexec warns when an anonymous-inode file is mmap'd from a superblock that has not set SBINOEXEC. dma-buf...

CVE-2026-64592

In the Linux kernel, the following vulnerability has been resolved: riscv: mm: Unconditionally sfence.vma for spurious fault Svvptc does not guarantee that it's safe to just return here. Since we have already cleared our bit, if, theoretically, the bounded timeframe for the accessed page to becom...

CVE-2026-64592 riscv: mm: Unconditionally sfence.vma for spurious fault

In the Linux kernel, the following vulnerability has been resolved: riscv: mm: Unconditionally sfence.vma for spurious fault Svvptc does not guarantee that it's safe to just return here. Since we have already cleared our bit, if, theoretically, the bounded timeframe for the accessed page to becom...

CVE-2026-64593

The CVE-2026-64593 issue affects the Linux kernel Btrfs trim path. A race/drop in device state handling can lead to a NULL device->bdev when re-scanning a previously missing device, causing a NULL pointer dereference during discard trimming (btrfs_trim_fs -> btrfs_trim_free_extents_throttle...

CVE-2026-64584 usb: gadget: f_midi: cancel pending IN work before freeing the midi object

In the Linux kernel, the following vulnerability has been resolved: usb: gadget: fmidi: cancel pending IN work before freeing the midi object The fmidi driver embeds a work item midi-work whose handler, fmidiinwork, dereferences the enclosing struct fmidi through containerof. This work is armed...

ALSA-2026:50978 Important: kernel security, bug fix, and enhancement update

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: xen: AMD Zen 2 Processors: Privilege escalation via improper CPU cache isolation CVE-2025-54518 Bug Fixes and Enhancements: Kernel crash in bpfforeacharrayelem due to missing backport of...

CVE-2026-64575 bpf: tcp: fix double sock release on batch realloc

In the Linux kernel, the following vulnerability has been resolved: bpf: tcp: fix double sock release on batch realloc bpfitertcpbatch releases the current batch via bpfitertcpputbatch, which drops the socket refs and rewrites each slot with the socket cookie, then grows the batch. cursk/endsk ar...

CVE-2026-64572

In the Linux kernel, the following vulnerability has been resolved: ipv4: fib: free fibalias with kfreercu on insert error path fibtableinsert publishes newfa into the leaf's falist with fibinsertalias before calling the fib entry notifiers. When a notifier fails, the error path removes newfa wit...

CVE-2026-64569

In the Linux kernel, the following vulnerability has been resolved: mpls: fix NULL deref in mplsvalidfibdumpreq on CONFIGINET=n On CONFIGINET=n builds, mplsvalidfibdumpreq walks the parsed attribute table itself instead of calling ipvalidfibdumpreq. The RTAOIF arm passes tbRTAOIF to nlagetu32...

CVE-2026-64569 mpls: fix NULL deref in mpls_valid_fib_dump_req() on CONFIG_INET=n

In the Linux kernel, the following vulnerability has been resolved: mpls: fix NULL deref in mplsvalidfibdumpreq on CONFIGINET=n On CONFIGINET=n builds, mplsvalidfibdumpreq walks the parsed attribute table itself instead of calling ipvalidfibdumpreq. The RTAOIF arm passes tbRTAOIF to nlagetu32...

CVE-2026-64566

Consolidated details show CVE-2026-64566 affects the Linux kernel iptfs module. Root cause: when iptfs_skb_add_frags() copies frag references, it increments page refs without propagating SKBFL_SHARED_FRAG to the destination SKB, unlike other frag-transfer helpers. Consequence: if source SKB has s...

CVE-2026-64566 xfrm: iptfs: propagate SKBFL_SHARED_FRAG in iptfs_skb_add_frags()

In the Linux kernel, the following vulnerability has been resolved: xfrm: iptfs: propagate SKBFLSHAREDFRAG in iptfsskbaddfrags When iptfsskbaddfrags copies frag references from the source frag walk into a new SKB, it increments the page reference count via skbfragref but does not propagate...