CVE-2024-56631 — Use After Free in Linux

CWE-416 — Use After Free95 documents7 sources
Severity
7.8HIGHNVD
OSV8.8OSV5.5
EPSS
0.0%
top 94.45%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
8
LinuxLinux KernelDebian Linux+5 more
Timeline
PublishedDec 27
Latest updateMay 28

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Fix slab-use-after-free read in sg_release() Fix a use-after-free bug in sg_release(), detected by syzbot with KASAN: BUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5838 __mutex_unlock_slowpath+0xe2/0x750 kernel/locking/mutex.c:912 sg_release+0x1f4/0x2e0 drivers/scsi/sg.c:407 In sg_release(), the function kref_put(&sfp->f_ref, sg_remove_sfp) is called before releasing the open_…

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 Packages10 packages

▶NVDlinux/linux_kernel3.16.85 — 6.6.66+2
▶Debianlinux/linux_kernel< 5.10.234-1+3
▶Ubuntulinux/linux_kernel< 5.4.0-211.231+4

Patches

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

🔴Vulnerability Details

47
OSV
linux-raspi-5.4 vulnerabilities↗2025-05-28
▶
OSV
linux-raspi vulnerabilities↗2025-05-28
▶
OSV
linux-raspi vulnerabilities↗2025-05-26
▶
OSV
linux-raspi-realtime vulnerabilities↗2025-05-20
▶
OSV
linux-lts-xenial vulnerabilities↗2025-05-13
▶

📋Vendor Advisories

47
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-05-28
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-05-28
▶
Ubuntu
Linux kernel (Raspberry Pi) vulnerabilities↗2025-05-26
▶
Ubuntu
Linux kernel (Raspberry Pi Real-time) vulnerabilities↗2025-05-20
▶
Ubuntu
Linux kernel (Xenial HWE) vulnerabilities↗2025-05-13
▶
CVE-2024-56631 — Use After Free in Linux | cvebase