CVE-2024-56768

Jan. 7, 2025, 10:50 p.m.

5.5
Medium

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.

Product(s) Impacted

Vendor Product Versions
Linux
  • Linux Kernel
  • *, 6.13

Weaknesses

Common security weaknesses mapped to this vulnerability.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
o linux linux_kernel / / / / / / / /
o linux linux_kernel 6.13 rc1 / / / / / /
o linux linux_kernel 6.13 rc2 / / / / / /
o linux linux_kernel 6.13 rc3 / / / / / /

References

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

Tags

416baaa9-dc9f-4396-8d5f-8c081fb06d67
NVD-CWE-noinfo
2025-01-06
CVE-2024-56768

CVSS Score

5.5 / 10

CVSS Data - 3.1

  • Attack Vector: LOCAL
  • Attack Complexity: LOW
  • Privileges Required: LOW
  • Scope: UNCHANGED
  • Confidentiality Impact: NONE
  • Integrity Impact: NONE
  • Availability Impact: HIGH

    • CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

    View Vector String

Timeline

Published: Jan. 6, 2025, 5:15 p.m.
Last Modified: Jan. 7, 2025, 10:50 p.m.

Status : Analyzed

CVE has had analysis completed and all data associations made.

More info

Source

416baaa9-dc9f-4396-8d5f-8c081fb06d67

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.