CVE-2024-47696 — Use After Free in Linux

CWE-416 — Use After FreeCWE-833 — Deadlock73 documents8 sources
Severity
7.8HIGHNVD
OSV8.8OSV6.7OSV6.3OSV5.5OSV4.7
EPSS
0.0%
top 98.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
12
LinuxLinux KernelDebian Linux+9 more
Timeline
PublishedOct 21
Latest updateAug 14

Description

In the Linux kernel, the following vulnerability has been resolved: RDMA/iwcm: Fix WARNING:at_kernel/workqueue.c:#check_flush_dependency In the commit aee2424246f9 ("RDMA/iwcm: Fix a use-after-free related to destroying CM IDs"), the function flush_workqueue is invoked to flush the work queue iwcm_wq. But at that time, the work queue iwcm_wq was created via the function alloc_ordered_workqueue without the flag WQ_MEM_RECLAIM. Because the current process is trying to flush the whole iwcm_wq, …

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages14 packages

▶NVDlinux/linux_kernel4.19.320 — 5.4+7
▶Debianlinux/linux_kernel< 5.10.234-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-208.228+3

Patches

Patch: git.kernel.org ↗Patch: git.kernel.org ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

35
OSV
linux-raspi-5.4 vulnerabilities↗2025-05-28
▶
OSV
linux-raspi vulnerabilities↗2025-05-28
▶
OSV
linux-azure-nvidia vulnerabilities↗2025-04-28
▶
OSV
linux-iot vulnerabilities↗2025-04-03
▶
OSV
linux-azure-6.8 vulnerabilities↗2025-04-01
▶

📋Vendor Advisories

37
CISA ICS
Siemens Third-Party Components in SINEC OS↗2025-08-14
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-05-28
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-05-28
▶
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities↗2025-04-28
▶
Ubuntu
Linux kernel (IoT) vulnerabilities↗2025-04-03
▶
CVE-2024-47696 — Use After Free in Linux | cvebase