NULL pointer dereference in Linux

CVE-2024-47756

In the Linux kernel, the following vulnerability has been resolved: PCI: keystone: Fix if-statement expression in ks_pcie_quirk() This code accidentally uses && where || was intended. It potentially results in a NULL dereference. Thus, fix the if-statement expression to use the correct condition. [kwilczynski: commit log]

EPSS: 0.002 (12.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

Affected products

  • Linux — versions 135843c351c08df72bdd4b4ebea53c8052a76881, 6.11.2, cfb006e185f64edbbdf7869eac352442bc76b8f6
  • Linux Linux_kernel — versions 5.10.226, 5.15.167

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-47756?
CVE-2024-47756 is a medium-severity vulnerability in Linux, classified under NULL Pointer Dereference. CVSS score: 5.5/10. Published 2024-10-21.
How severe is CVE-2024-47756?
Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2024-47756 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.