CVE-2024-24855 — Race Condition in Kernel

CWE-362 — Race ConditionCWE-476 — NULL Pointer DereferenceCWE-367 — Time-of-check Time-of-use (TOCTOU) Race ConditionCWE-1395 — Dependency on Vulnerable Third-Party ComponentCWE-416 — Use After Free38 documents9 sources
Severity
4.7MEDIUMNVD
GHSA7.8OSV7.8OSV6.8OSV6.5OSV6.4OSV5.5
EPSS
0.0%
top 98.68%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Linux KernelNokogiriDebian Linux+1 more
Timeline
PublishedFeb 5
Latest updateJun 12

Description

A race condition was found in the Linux kernel's scsi device driver in lpfc_unregister_fcf_rescan() function. This can result in a null pointer dereference issue, possibly leading to a kernel panic or denial of service issue.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.0 | Impact: 3.6

Affected Packages7 packages

▶CVEListV5linux/linux_kernelv2.6.34-rc2 — v6.5-rc2
▶Debianlinux/linux_kernel< 6.1.133-1+2
▶Ubuntulinux/linux_kernel< 5.4.0-174.193+4
▶NVDlinux/linux_kernel6.0 — 6.4.16+3
▶debiandebian/linux< linux 6.1.133-1 (bookworm)

🔴Vulnerability Details

18
GHSA
Nokogiri updates packaged libxslt to v1.1.43 to resolve multiple CVEs↗2025-03-14
▶
OSV
linux-azure vulnerabilities↗2024-04-09
▶
OSV
linux-intel-iotg, linux-intel-iotg-5.15 vulnerabilities↗2024-03-28
▶
OSV
linux-oracle, linux-oracle-5.15 vulnerabilities↗2024-03-25
▶
OSV
linux-azure, linux-azure-5.4 vulnerabilities↗2024-03-25
▶

📋Vendor Advisories

18
CISA ICS
Siemens SIMATIC S7-1500 CPU Family↗2025-06-12
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2024-04-09
▶
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities↗2024-03-28
▶
Ubuntu
Linux kernel vulnerabilities↗2024-03-25
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2024-03-25
▶

💬Community

1
Bugzilla
CVE-2024-24855 kernel: Race condition in lpfc_unregister_fcf_rescan() in scsi/lpfc/lpfc_hbadisc.c↗2024-02-06
▶