CVE-2024-56768

MEDIUM EPSS 6.9%
Published Jan 6, 20251y ago · Modified Jun 17, 20261w ago
5.5 CVSS 3.1
Medium
Find Similar
Published Jan 6, 2025 1y ago
Last Modified Jun 17, 2026 1w ago

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Fix bpf_get_smp_processor_id() on !CONFIG_SMP On x86-64 calling bpf_get_smp_processor_id() in a kernel with CONFIG_SMP disabled can trigger the following bug, as pcpu_hot is unavailable: [ 8.471774] BUG: unable to handle page fault for address: 00000000936a290c [ 8.471849] #PF: supervisor read access in kernel mode [ 8.471881] #PF: error_code(0x0000) - not-present page Fix by inlining a return 0 in the !CONFIG_SMP case.

CVSS Details

Base Score
5.5
Exploitability
1.8
Impact
3.6
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability High

Threat Intelligence

EPSS Exploit Probability
6.9% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Affected Products 4

VendorProductVersionRange
linuxlinux_kernel*≥6.10  –  <6.12.8
linuxlinux_kernel6.13any
linuxlinux_kernel6.13any
linuxlinux_kernel6.13any

References 2

  • git.kernel.org https://git.kernel.org/stable/c/23579010cf0a12476e96a5f1acdf78a9c5843657
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f4ab7d74247b0150547cf909b3f6f24ee85183df
    Patch

Remediation

  • git.kernel.org https://git.kernel.org/stable/c/23579010cf0a12476e96a5f1acdf78a9c5843657
    Patch
  • git.kernel.org https://git.kernel.org/stable/c/f4ab7d74247b0150547cf909b3f6f24ee85183df
    Patch