CVE-2025-38012

In the Linux kernel, the following vulnerability has been resolved: schedext: bpfiterscxdsqnew should always initialize iterator BPF programs may call next and destroy on BPF iterators even after new returns an error value e.g. bpfforeach macro ignores error returns from new. bpfiterscxdsqnew cou...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from a BPF system call that does not validate a kernel pointer resulting in a potential null pointer dereference...

PT-2025-26093

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description A potential 32-bit overflow issue has been identified in the Linux kernel when accessing BPF array map elements. This occurs when the BPF array map exceeds 4GB, causing the element point...

CVE-2022-49967: Concurrent Execution using Shared Resource with Improper Synchronization

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix a data-race around bpfjitlimit. While reading bpfjitlimit, it can be changed concurrently via sysctl, WRITEONCE in doprocdoulongvecminmax. The size of bpfjitlimit is long, so we need to add a paired READONCE to avoid...

CVE-2022-50168: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf, x86: fix freeing of not-finalized bpfprogpack syzbot reported a few issues with bpfprogpack 1, 2. This only happens with multiple subprogs. In jitsubprogs, we first call bpfintjitcompile on each sub program. And then, we cal...

CVE-2022-50167: Integer Overflow or Wraparound

In the Linux kernel, the following vulnerability has been resolved: bpf: fix potential 32-bit overflow when accessing ARRAY map element If BPF array map is bigger than 4GB, element pointer calculation can overflow because both index and elemsize are u32. Fix this everywhere by forcing 64-bit...

CVE-2022-49985: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't use tnumrange on array range checking for poke descriptors Hsin-Wei reported a KASAN splat triggered by their BPF runtime fuzzer which is based on a customized syzkaller: BUG: KASAN: slab-out-of-bounds in...

CVE-2025-38016: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: HID: bpf: abort dispatch if device destroyed The current HID bpf implementation assumes no output report/request will go through it after hidbpfdestroydevice has been called. This leads to a bug that unplugging certain types of H...

CVE-2022-49970: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf, cgroup: Fix 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: 1 PI...

PT-2025-25896 · Linux · Linux Kernel

Name of the Vulnerable Software and Affected Versions: Linux kernel versions prior to the fixed version Description: A kernel BUG has been resolved in the Linux kernel, specifically in the bpf and cgroup components. The issue was reported by Syzkaller and occurs when a kernel BUG is triggered due...

CVE-2022-50219: Use After Free

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix KASAN use-after-free Read in computeeffectiveprogs Syzbot found a Use After Free bug in computeeffectiveprogs. The reproducer creates a number of BPF links, and causes a fault injected alloc to fail, while calling...

CVE-2025-38060: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: copyverifierstate should copy 'loopentry' field The bpfverifierstate.loopentry state should be copied by copyverifierstate. Otherwise, .loopentry values from unrelated states would poison env-curstate. Additionally, env-stac...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from bpf not marking ARGCONSTALLOCSIZEORZERO precision, which could result in a status error...

Linux kernel 安全漏洞

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in the Linux kernel that stems from the presence of data contention in bpfjitlimit, which could lead to a load tear...

CVE-2022-49961: Out-of-bounds Read

In the Linux kernel, the following vulnerability has been resolved: bpf: Do markchainprecision for ARGCONSTALLOCSIZEORZERO Precision markers need to be propagated whenever we have an ARGCONST style argument, as the verifier cannot consider imprecise scalars to be equivalent for the purposes of...

CVE-2022-49973: NULL Pointer Dereference

In the Linux kernel, the following vulnerability has been resolved: skmsg: Fix wrong last sg check in skmsgrecvmsg Fix one kernel NULL pointer dereference as below: 224.462334 Call Trace: 224.462394 tcpbpfrecvmsg+0xd3/0x380 224.462441 ? sockhasperm+0x78/0xa0 224.462463 tcpbpfrecvmsg+0x12e/0x220...

CVE-2022-49975: Undefined Security Weakness

In the Linux kernel, the following vulnerability has been resolved: bpf: Don't redirect packets with invalid pktlen Syzbot found an issue 1: fqcodeldrop try to drop a flow whitout any skbs, that is, the flow-head is null. The root cause, as the 2 says, is because that bpfprogtestrunskb run a bpf...

Security update for the Linux Kernel

The SUSE Linux Enterprise 15 SP6 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2024-28956: x86/ibt: Keep IBT disabled during alternative patching bsc1242006. CVE-2024-35840: mptcp: use OPTIONMPTCPMPJSYNACK in subflowfinishconnect bsc122459...

Astra Linux – Vulnerability in Linux 6.1

In the Linux kernel, the following vulnerability has been resolved: bpf, arm64: Fixed the trampoline for BPFTRAMPFCALLORIG. When BPFTRAMPFCALLORIG is set, the trampoline calls the bpftrampenter and bpftrampexit functions, passing struct bpftrampimage im as an argument in R0. The trampoline...

Astra Linux – Vulnerability in Linux 6.12

In the Linux kernel, the following vulnerability has been resolved: bpf: bpflocalstorage: Always use bpfmemalloc in PREEMPTRT. In PREEMPTRT, kmallocGFPATOMIC is still not safe in non-preemptible contexts. Therefore, bpfmemalloc must be used in PREEMPTRT. This patch aims to enforce the use of...