CVE-2025-38502-Linux-LPE

Abraxas Labs · abraxaslabs.tech · github.com/abraxas · @abraxasnull CVE-2025-38502 Linux kernel BPF cgroup local storage out-of-bounds access via tail calls | ---|--- CVE| CVE-2025-38502 CWE| CWE-125 — Out-of-bounds Read Vendor| Linux kernel Component| kernel/bpf/core.c, include/linux/bpf.h cgrou...

Linux Distros Unpatched Vulnerability : CVE-2026-90065

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - net/smc: release the internal TCP sock on IPPROTOSMC socket creation failure IPPROTOSMC sockets create an internal TCP sock clcsock from the proto-init hook. Wh...

CVE-2026-90313

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix invalid storage access after cgroupbpfattach failed A potential invalid storage access issue can occur after replacing a cgroup bpf prog. This occurs in the following scenario: 1. prog1 with storage is attached t...

DEBIAN-CVE-2026-90250

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

AZL-102347 CVE-2026-90250 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

CVE-2026-90250

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

DEBIAN-CVE-2026-90065

In the Linux kernel, the following vulnerability has been resolved: net/smc: release the internal TCP sock on IPPROTOSMC socket creation failure IPPROTOSMC sockets create an internal TCP sock "clcsock" from the proto-init hook. When socket creation fails after proto-init has run - e.g. a cgroup B...

CVE-2026-90313

CVE-2026-90313 affects the Linux kernel BPF/cgroup subsystem. When a cgroup BPF program is replaced using BPF_F_REPLACE and the replacement fails midway (e.g., in bpf_trampoline_link_cgroup_shim or update_effective_progs), the cleanup path frees the new storage but fails to restore pl->storage...

EUVD-2026-81843

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

CVE-2026-90250 bpf, cgroup: Fix storage null-ptr-deref after replacing prog

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix storage null-ptr-deref after replacing prog Syzkaller reported a storage null-ptr-deref issue after replacing prog. This occurs in the following scenario: 1. prog A, an empty prog, is attached to a cgrp. 2. prog ...

EUVD-2026-81750

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-2026-94413

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...

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...

CVE-2026-89902

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line. Since userspace can issue the same break instruction, dobp can reach...

CVE-2026-89902 LoongArch: Avoid preempt count underflow without probe

In the Linux kernel, the following vulnerability has been resolved: LoongArch: Avoid preempt count underflow without probe LoongArch uses break 11 for the breakpoint placed after an instruction that Kprobes executes out of line. Since userspace can issue the same break instruction, dobp can reach...

Exploit for Out-of-bounds Read in Linux Linux_Kernel

Abraxas Labs ·...

Linux Kernel BPF __cgroup_bpf_run_filter_sysctl Buffer Overflow DoS

The vulnerability of the cgroupbpfrunfiltersysctl function in the kernel/bpf/cgroup.c module, which supports the BPF interpreter for Linux kernels, is related to the release of an incorrect pointer. Exploiting this vulnerability could allow an attacker to compromise the confidentiality, integrity...

SUSE CVE-2026-74305

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...

Astra Linux – Vulnerability found in Linux 5.10, Linux 5.15

In the Linux kernel, the following vulnerabilities have been resolved: bpf, cgroup: Fixed a kernel bug in purgeeffectiveprogs Syzkaller reported a triggered kernel bug as follows: ------------ Cut here ----------- Kernel bug at kernel/bpf/cgroup.c:925! Invalid opcode: 0000 1 PREEMPT SMP NOPTI CPU...

CVE-2026-72427

A flaw was found in the Linux kernel's BPF Berkeley Packet Filter cgroup program handling. Incorrect indexing in the replaceeffectiveprog and purgeeffectiveprogs functions, particularly when BPFFPREORDER programs are active, can lead to memory corruption. This issue can result in overwriting...