CVE-2024-56672 — Use After Free in Linux

CWE-416 — Use After Free59 documents7 sources
Severity
7.0HIGHNVD
OSV8.8OSV7.8OSV5.5
EPSS
0.0%
top 92.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
LinuxLinux KernelDebian Linux+5 more
Timeline
PublishedDec 27
Latest updateMay 26

Description

In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: Fix UAF in blkcg_unpin_online() blkcg_unpin_online() walks up the blkcg hierarchy putting the online pin. To walk up, it uses blkcg_parent(blkcg) but it was calling that after blkcg_destroy_blkgs(blkcg) which could free the blkcg, leading to the following UAF: BUG: KASAN: slab-use-after-free in blkcg_unpin_online+0x15a/0x270 Read of size 8 at addr ffff8881057678c0 by task kworker/9:1/117 CPU: 9 UID: 0 PID: 117 Co…

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages10 packages

▶NVDlinux/linux_kernel5.7 — 6.1.121+3
▶Debianlinux/linux_kernel< 5.10.234-1+3
▶Ubuntulinux/linux_kernel< 5.15.0-134.145+8

Patches

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

🔴Vulnerability Details

29
OSV
linux-raspi vulnerabilities↗2025-05-26
▶
OSV
linux-raspi-realtime vulnerabilities↗2025-05-20
▶
OSV
linux-azure-nvidia vulnerabilities↗2025-04-28
▶
OSV
linux-ibm-5.15 vulnerabilities↗2025-04-24
▶
OSV
linux-aws-6.8 vulnerabilities↗2025-04-23
▶

📋Vendor Advisories

29
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-05-26
▶
Ubuntu
Linux kernel (Raspberry Pi Real-time) vulnerabilities↗2025-05-20
▶
Ubuntu
Linux kernel (Azure, N-Series) vulnerabilities↗2025-04-28
▶
Ubuntu
Linux kernel (IBM) vulnerabilities↗2025-04-24
▶
Ubuntu
Linux kernel vulnerabilities↗2025-04-23
▶
CVE-2024-56672 — Use After Free in Linux | cvebase