CVE-2026-93174: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Copy per-CPU map value padding in copymapvaluelong In kernel, per-CPU map elements are stored with roundupmap-valuesize, 8 bytes. On UAPI lookup paths, it copies the rounded size for each CPU into a temporary buffer. However...

PT-2026-94598

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A null-pointer dereference occurs in the bpf and cgroup components when replacing a program. This happens when an empty program attached to a cgroup is replaced by a new program that...

PT-2026-94507

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists where BPF programs attached to BPF CGROUP UNIX GETPEERNAME and BPF CGROUP UNIX GETSOCKNAME hooks run without acquiring the socket lock. Because the helpers bpf setsockopt...

PT-2026-94969

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF LSM component where security bpf prog free is called via bpf prog put rcu, which serves as the call rcu callback for non-sleepable programs. This sequence...

CVE-2026-90159: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Disallow bpfg,setsockopt in cgroup UNIX getname hooks bpfsetsockopt and bpfgetsockopt call sockownedbyme for full sockets, so these helpers expect the socket lock to be held. BPFCGROUPUNIXGETPEERNAME and...

CVE-2026-90312: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Check load-acquire src ptr type before the load checkatomicload calls checkloadmem before atomicptrtypeok. For a load-acquire that fetches into its own source register dstreg == srcreg, checkloadmem overwrites srcreg's type...

CVE-2026-90300: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Clear buf on error in bpfgettaskstack Both bpfgettaskstack and bpfgettaskstacksleepable helpers that use bpfgettaskstack have buf defined as ARGPTRTOUNINITMEM argument and we should initialize the buf on every return path...

PT-2026-94923

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF Berkeley Packet Filter subsystem where the verifier incorrectly tracks register values during stack fills. When a spilled scalar is filled using a sign-extendi...

PT-2026-94413

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the net/smc component where IPPROTO SMC sockets fail to release an internal TCP sock, referred to as clcsock, when socket creation fails after the proto-init hook has...

CVE-2026-92486: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix CFI mismatch in task work callback BPF subprograms use the bpfcallbackt ABI, but task work invokes the callback through a three-argument function pointer. This trips kCFI. Store and invoke the callback as bpfcallbackt...

PT-2026-94921

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF subsystem where the check kfunc args function fails to bound kfunc arguments named rdonly buf size or rdwr buf size. These values are stored in meta-r0 size a...

CVE-2026-90157: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Reject negative optlen in cgroup getsockopt hook A cgroup getsockopt BPF program can shrink ctx-optlen after the kernel getsockopt handler has run. The kernel-buffer variant, used by TCPZEROCOPYRECEIVE, only rejects values...

PT-2026-94706

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF subsystem on x86 architectures where the trampoline stack size is incorrectly calculated for 128-bit arguments. The btf distill func proto function accepts...

PT-2026-94931

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF Berkeley Packet Filter subsystem where the verifier skips rewriting the helper call offset insn-imm in bpf do misc fixups for architectures that implement bpf...

PT-2026-94934

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A race condition exists in the bpf get btf vmlinux function during the lazy parsing of vmlinux BTF BPF Type Format. The function publishes the result using a plain store and re-checks it...

PT-2026-94617

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF Berkeley Packet Filter subsystem where the verifier fails to rewrite BPF LOAD ACQ instructions to BPF PROBE MEM loads, unlike the behavior for regular BPF LDX...

PT-2026-94740

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A Use-After-Free UAF issue exists when reading bpf link information. In the functions bpf link show fdinfo and bpf link get info by fd, the link-prog variable is accessed without proper...

PT-2026-94908

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the BPF subsystem where the bpf cpumask populate function uses bitmap copy to write to a destination typed as struct cpumask . This allows the verifier to incorrectly...

CVE-2026-93147: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: s390/bpf: Replace ly instruction with llgf cpunr is a 32 bit value and BPFREG0 is a 64 bit register, when ly loads the cpunr into BPFREG0 it does not zero the upper bits, but llgf does...

CVE-2026-92516: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix offset warn check for bpfresspinlock Sashiko pointed out correctly that the case statement for BPFRESSPINLOCK incorrectly checks offset for BPFSPINLOCK. Fix it by checking resspinlockoff instead...