CVE-2023-52992 bpf: Skip task with pid=1 in send_signal_common()

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip task with pid=1 in sendsignalcommon The following kernel panic can be triggered when a task with pid=1 attaches a prog that attempts to send killing signal to itself, also see 1 for more details: Kernel panic - not...

CVE-2023-52992

CVE-2023-52992 affects the Linux kernel; the vulnerability exists in BPF’s send_signal_common path where a task with pid=1 can trigger a kernel panic (kernel: “Attempted to kill init!”). A fix was applied to skip pid=1 in bpf_send_signal_common(), preventing this panic. Impact is local, with pote...

CVE-2023-52928 bpf: Skip invalid kfunc call in backtrack_insn

In the Linux kernel, the following vulnerability has been resolved: bpf: Skip invalid kfunc call in backtrackinsn The verifier skips invalid kfunc call in checkkfunccall, which would be captured in fixupkfunccall if such insn is not eliminated by dead code elimination. However, this can lead to t...

USN-7379-1 linux, linux-aws, linux-azure, linux-gcp, linux-hwe-6.11, linux-oracle, linux-realtime vulnerabilities

Several security issues were discovered in the Linux kernel. An attacker could possibly use these to compromise the system. This update corrects flaws in the following subsystems: - ARM64 architecture; - MIPS architecture; - PowerPC architecture; - RISC-V architecture; - S390 architecture; - x86...

SUSE-SU-2025:20164-1 Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 kernel was updated to receive various security bugfixes. The following security bugs were fixed: - CVE-2023-52778: mptcp: deal with large GSO size bsc1224948. - CVE-2023-52920: bpf: support non-r10 register spill/fill to/from stack in precision tracking...

DEBIAN-CVE-2025-21867

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix use-after-free issue in ethskbpkttype KMSAN reported a use-after-free issue in ethskbpkttype1. The cause of the issue was that ethskbpkttype accessed skb's data that didn't contain an Ethernet header. This occur...

UBUNTU-CVE-2025-21867

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix use-after-free issue in ethskbpkttype KMSAN reported a use-after-free issue in ethskbpkttype1. The cause of the issue was that ethskbpkttype accessed skb's data that didn't contain an Ethernet header. This occur...

CVE-2025-21867

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix use-after-free issue in ethskbpkttype KMSAN reported a use-after-free issue in ethskbpkttype1. The cause of the issue was that ethskbpkttype accessed skb's data that didn't contain an Ethernet header. This occur...

CVE-2025-21867 bpf, test_run: Fix use-after-free issue in eth_skb_pkt_type()

In the Linux kernel, the following vulnerability has been resolved: bpf, testrun: Fix use-after-free issue in ethskbpkttype KMSAN reported a use-after-free issue in ethskbpkttype1. The cause of the issue was that ethskbpkttype accessed skb's data that didn't contain an Ethernet header. This occur...

Security update for the Linux Kernel

The SUSE Linux Enterprise Micro 6.0 and 6.1 RT kernel was updated to receive various security bugfixes. The following security bugs were fixed: CVE-2023-52778: mptcp: deal with large GSO size bsc1224948. CVE-2023-52920: bpf: support non-r10 register spill/fill to/from stack in precision tracking...

PT-2025-13304 · Linux +4 · Linux Kernel +4

Name of the Vulnerable Software and Affected Versions: Linux kernel affected versions not specified Description: A vulnerability in the Linux kernel has been resolved, related to the bpf verifier skipping invalid kfunc calls in backtrack insn. This issue could lead to a warning in backtrack insn...

The vulnerability of the bpf component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the bpf component in the Linux operating system’s kernel is related to the assignment of the NULL pointer. Exploiting this vulnerability can allow an attacker to cause a service failure...

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 a BPF pointer leak problem...

The vulnerability of the bpf component in the Linux operating system’s kernel allows a hacker to trigger a service failure.

The vulnerability of the bpf component in the Linux operating system’s kernel is related to resource management errors. Exploiting this vulnerability can allow an attacker to cause a service failure...

Important: kernel

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: netfilter: allow exp not to be removed in nfctfindexpectation CVE-2023-52927 In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free of signing key CVE-2024-53179 In the...

The vulnerability of the PROG_NAME() function in the kernel/bpf/core.c module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the PROGNAME function in the kernel/bpf/core.c module of the Linux operating system is related to the use of an uninitialized resource. Exploiting this vulnerability could allow a attacker to cause a service failure...

The vulnerability of the bpf_int_jit_compile() function in the arch/arm/net/bpf_jit_32.c module of the Linux operating system allows a hacker to trigger a service failure.

The vulnerability of the bpfintjitcompile function in the arch/arm/net/bpfjit32.c module of the Linux operating system’s kernel is related to the lack of checking the return value. Exploiting this vulnerability could allow an attacker to cause a service failure...

The vulnerability of the bpf_object_load_prog() function in the tools/lib/bpf/libbpf.c file of the Linux operating system’s kernel allows a hacker to induce a service failure.

The vulnerability of the bpfobjectloadprog function in the tools/lib/bpf/libbpf.c file of the Linux kernel is related to pointer manipulation. Exploiting this vulnerability could allow an attacker to cause a system failure...

CLSA-2025-1742469561 kernel: Fix of 19 CVEs

net: defer final 'struct net' free in netns dismantle CVE-2024-56658 - smb: client: fix potential deadlock when releasing mids CVE-2023-52757 - tcp/dccp: Don't use timerpending in reqskqueueunlink. CVE-2024-50154 - ALSA: 6fire: Release resources at card release CVE-2024-53239 - smb: client: fix...

EulerOS 2.0 SP12 : kernel (EulerOS-SA-2025-1299)

According to the versions of the kernel packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : initramfs: avoid filename buffer overrunCVE-2024-53142 bpf, sockmap: Several fixes to bpfmsgpopdataCVE-2024-56720 scsi: sg: Fix slab-use-after-fre...