PT-2026-72818

In the Linux kernel, the following vulnerability has been resolved: net/sched: cls bpf: prevent unbounded recursion in offload rollback Quan Sun reported 1 a stack overflow in cls bpf offload cmd. Reproducer on netdevsim: add a skip sw cls bpf filter, set the bpf tc accept debugfs knob to 0, then...

Linux Distros Unpatched Vulnerability : CVE-2026-74314

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Cancel special fields on map value recycle Map update and delete paths currently call bpfobjfreefields when a value is being replaced or recycled. That mak...

Linux Distros Unpatched Vulnerability : CVE-2026-74337

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Fix NMI/tracepoint re-entry deadlock on lru locks NMI and tracepoint BPF programs can re-enter the per-CPU or global LRU lock that bpflrupopfree/pushfree...

Linux Distros Unpatched Vulnerability : CVE-2026-72111

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Reset register bounds before narrowing retval range in checkmemaccess When the BPF verifier processes a context load of an LSM hook return value, it calls...

PT-2026-72616

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix stack slot index in nospec checks check stack write fixed off computes the byte slot for a fixed-offset stack write as -off - 1, and records each written byte in slot type with slot - i % BPF REG SIZE. The Spectre v4...

PT-2026-72741

In the Linux kernel, the following vulnerability has been resolved: bpf: Tighten cgroup storage cookie checks for prog arrays The fix in commit abad3d0bad72 "bpf: Fix oob access in cgroup local storage" is still incomplete. The prog-array compatibility check treats a program with no cgroup storag...

PT-2026-72174

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject negative const offsets for buffer pointers The verifier rejects variable offsets for PTR TO TP BUFFER and PTR TO BUF accesses, but it currently accepts a constant negative offset produced by pointer arithmetic. Commit...

Linux Distros Unpatched Vulnerability : CVE-2026-74268

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - tcp: clear sockops cb flags before force-closing a child socket A child socket inherits the listener's bpfsockopscbflags via skclonelock. If its setup fails in...

Linux Distros Unpatched Vulnerability : CVE-2026-72423

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Guard conntrack opts error writes The conntrack lookup and allocation kfuncs take an opts pointer together with an optssz argument. The verifier checks onl...

Linux Distros Unpatched Vulnerability : CVE-2026-74344

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Clear rb node linkage when freeing bpfrbroot bpfrbrootfree detaches the root by copying the current rbrootcached and then replacing the live root with...

Linux Distros Unpatched Vulnerability : CVE-2026-74338

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - bpf: Reject sleepable BPFLSMCGROUP programs at load time The cgroup shim runs under rcureadlockdontmigrate, so we should not attach any sleepable BPF programs...

PT-2026-72692

In the Linux kernel, the following vulnerability has been resolved: bpf, sockmap: fix integer overflow in bpf msg pop data bounds check start and len are u32, so u64 last = start + len; evaluates start + len in 32-bit and wraps before storing it in last. The bounds check if start = offset + l ||...

PT-2026-72800

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject exclusive maps as inner maps in map-in-map An exclusive map created with excl prog hash is bound to a single program by hash: check map prog compatibility refuses to load any program whose digest does not match map-ex...

PT-2026-72790

In the Linux kernel, the following vulnerability has been resolved: bpf: Take mmap lock in zap pages zap vma range requires the owning mm's mmap lock to be held. Taking mmap read lock under arena-lock would AB-BA against arena vm close and arena map mmap, both of which run with mmap write lock he...

PT-2026-72588

In the Linux kernel, the following vulnerability has been resolved: seg6: validate SRH length before reading fixed fields seg6 validate srh reads fixed SRH fields such as srh-type and srh-hdrlen before checking that the supplied length covers the fixed struct ipv6 sr hdr fields. The BPF SEG6 enca...

PT-2026-72694

In the Linux kernel, the following vulnerability has been resolved: bpf: Guard get user acesss with access ok for uprobe multi data As reported by sashiko 1 we need to use access ok to check the user space data bounds before we use get-user to get it. 1...

PT-2026-72300

In the Linux kernel, the following vulnerability has been resolved: bpf: Reset register bounds before narrowing retval range in check mem access When the BPF verifier processes a context load of an LSM hook return value, it calls mark reg s32 range to narrow the register to the hook's valid range...

PT-2026-72590

In the Linux kernel, the following vulnerability has been resolved: bpf: Mask pseudo pointer values in verifier logs print bpf insn masks ldimm64 immediates for pointer-bearing pseudo sources when pointer leaks are not allowed, but the mask only covers BPF PSEUDO MAP FD and BPF PSEUDO MAP VALUE...

PT-2026-72540

In the Linux kernel, the following vulnerability has been resolved: HID: bpf: Fix hid bpf get data range check hid bpf get data returns a pointer into the HID-BPF context data when the caller-provided offset and size fit inside ctx-allocated size. The current check adds rdwr buf size and offset...

PT-2026-72589

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix insn aux data leak on verifier err free env path When bpf check allocates env-insn aux data successfully but later fails to allocate env-succ, it jumps directly to err free env. The existing vfreeenv-insn aux data sits...